VASCO DATA SECURITY INTERNATIONAL INC
10-K, 1999-04-15
COMPUTER INTEGRATED SYSTEMS DESIGN
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                               UNITED STATES
                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549
                         _________________________

                                 FORM 10-K
               FOR ANNUAL AND TRANSITION REPORTS PURSUANT TO
        SECTIONS 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

   (Mark One)

   [ X ]     ANNUAL  REPORT  PURSUANT  TO  SECTION  13   OR  15(D)  OF  THE
        SECURITIES EXCHANGE ACT OF 1934
        FOR THE FISCAL YEAR ENDED DECEMBER 31, 1998
                                    or
    [    ]   TRANSITION REPORT PURSUANT  TO SECTION 13  OR 15(D) OF  THE
        SECURITIES EXCHANGE ACT OF 1934  FOR THE TRANSITION PERIOD  FROM
        __________TO __________

                     Commission file number 000-24389

                  VASCO Data Security International, Inc.
          (Exact Name of Registrant as Specified in Its Charter)

         DELAWARE                                         36-4169320
   (State or Other Jurisdiction of                      (IRS Employer
   Incorporation or Organization)                    Identification No.)

                     1901 South Meyers Road, Suite 210
                     Oakbrook Terrace, Illinois 60181
            (Address of Principal Executive Offices)(Zip Code)

    Registrant's telephone number, including area code: (630) 932-8844

          Securities registered pursuant to Section 12(b) of the Act:
                                   None
          Securities registered pursuant to Section 12(g) of the Act:
                  Common Stock, par value $.001 per share

        Indicate by check mark whether the registrant: (1) has filed all
   reports required to be filed by Section 13 or 15(d) of the Securities
   Exchange Act of  1934 during  the preceding  12 months  (or for  such
   shorter  period  that  the  registrant  was  required  to  file  such
   reports), and (2) has  been subject to  such filing requirements  for
   the past 90 days.
                  Yes  X              No    

        Indicate by  check  mark  if  disclosure  of  delinquent  filers
   pursuant to Item 405 of Regulation  S-K is not contained herein,  and
   will not  be contained,  to the  best of  registrant's knowledge,  in
   definitive proxy or information statements incorporated by  reference
   in Part III of this Form 10-K or any amendment to this Form 10-K. 
<PAGE>
   As of April 14, 1999, 24,472,430 shares of the Company's Common
   Stock, $.001 par value per share ("Common Stock"), were outstanding.
   On that date, the aggregate market value of voting and non-voting
   common equity (based upon the last sale price of the Common Stock as
   reported on the Over-the-Counter Bulletin Board on April 14, 1999)
   held by non-affiliates of the registrant was $54,079,641 (13,110,216
   shares at $4.125 per share).

                    DOCUMENTS INCORPORATED BY REFERENCE
      Portions of the registrant's definitive proxy statement for the
                       Annual Meeting of Stockholders to be held
    June 15, 1999 are to be incorporated by reference into Part III of
                              this Form 10-K.

                                  PART I

   Cautionary Statement for Purposes of the "Safe Harbor" Provisions  of
   the Private Securities Litigation Reform Act of 1995

        This Annual  Report on  Form 10-K,  including the  "Management's
   Discussion  and  Analysis  of  Financial  Condition  and  Results  of
   Operations," contains "forward-looking statements" within the meaning
   of the Private Securities Litigation  Reform Act of 1995  concerning,
   among  other  things,  the   prospects,  developments  and   business
   strategies for the Company (as defined) and its operations, including
   the development  and  marketing  of  certain  new  products  and  the
   anticipated future growth  in certain  markets in  which the  Company
   currently markets and sells its  products or anticipates selling  and
   marketing  its  products  in  the  future.    These   forward-looking
   statements (i) are identified by their use of such terms and  phrases
   as   "expected,"    "expects,"   "believe,"    "believes,"    "will,"
   "anticipated,"  "emerging,"  "intends,"   "plans,"  "could,"   "may,"
   "estimates," "should," "objective" and  "goals" and (ii) are  subject
   to risks  and  uncertainties  and  represent  the  Company's  present
   expectations or  beliefs  concerning  future  events.    The  Company
   cautions  that  the  forward-looking  statements  are  qualified   by
   important  factors  that  could   cause  actual  results  to   differ
   materially from those  in the  forward-looking statements,  including
   (a) risks  of general  market conditions,  including demand  for  the
   Company's products and services, competition and price levels and the
   Company's historical dependence on  relatively few products,  certain
   suppliers and certain key  customers, and (b)  risks inherent to  the
   computer and network  security industry,  including rapidly  changing
   technology, evolving industry standards, increasing numbers of patent
   infringement  claims,   changes  in   customer  requirements,   price
   competitive bidding,  changing government  regulations and  potential
   competition from  more  established  firms and  others.    Therefore,
   results actually achieved may differ materially from expected results
   included in, or implied by, these statements.

   Item 1 - Description of Business
<PAGE>
   General Description of Business

        VASCO Data Security International, Inc., a Delaware  corporation
   (the "Company" or "VASCO"), was incorporated on July 15, 1997 and  is
   the  successor  to   the  operations  of   VASCO  Corp.  (see   "1998
   Reorganization _ Exchange Offer").   Its executive office is  located
   at 1901 South  Meyers  Road, Suite 210,  Oakbrook  Terrace,  Illinois
   60181; (630) 932-8844.    On March  20,  1998, the  Company's  Common
   Stock, $.001 par value  per share (the  "Common Stock") was  approved
   for trading on  the Over-the-Counter Bulletin  Board system with  the
   symbol: VDSI.

        The  Company,  through  its  operating  subsidiaries,   designs,
   develops, markets  and  supports open  standards-based  hardware  and
   software  security  systems  which   manage  and  secure  access   to
   information assets.
                       
        This report contains  the following trademarks  of the  Company,
   some of which  are registered:  VASCO, AccessKey,  VACMan Server  and
   VACMan/CryptaPak, AuthentiCard and Digipass.

        1998 Reorganization - Exchange Offer

        The Company  was organized  in 1997  as  a subsidiary  of  VASCO
   Corp., a  Delaware  corporation  ("VASCO Corp.").    Pursuant  to  an
   exchange offer (the "Exchange Offer")  by the Company for  securities
   of VASCO  Corp.  that  was completed  March  11,  1998,  the  Company
   acquired 97.7%  of the  common stock  of VASCO  Corp.   Consequently,
   VASCO Corp. became a  subsidiary of the  Company, with the  remaining
   2.3% of VASCO  Corp. shareholders representing  a minority  interest.
   On October  28, 1998,  this minority  interest  was merged  into  the
   Company and VASCO Corp. ceased to exist.

        For purposes of the  discussion of the  general business of  the
   Company below, references to the "Company" shall refer to VASCO Corp.
   for periods prior to  March 11, 1998, the  date on which VASCO  Corp.
   became a subsidiary of VASCO.

        Prior Organizational History

        The Company is essentially a  holding company that conducts  its
   business through  operating subsidiaries  in  the United  States  and
   Europe.

        The Company presently has two operating subsidiaries. VASCO Data
   Security, Inc.  ("VDS"),  a  Delaware  corporation  headquartered  in
   Oakbrook Terrace, Illinois, is  owned directly by  the Company.   The
   Company's  other  operating  subsidiary,  VASCO  Data  Security NV/SA
   ("VDS NV/SA"), is a Belgian corporation headquartered in a suburb  of
   Brussels, Belgium.  VDS NV/SA  is  owned by  the  Company's  European
   holding company subsidiary, VASCO  Data Security Europe SA  ("VDSE").
   VDS and VDS NV/SA are engaged  in the design, development,  marketing
   and support  of  open  standards-based hardware  and  software  based
   security systems which manage and secure access to information assets
   and also  provide products  that permit  their customers  to  encrypt
   data.
<PAGE>

   [company organization chart]


   *  One share held by T. Kendall Hunt.


        VDS.   In November  1989, a  Utah corporate  predecessor of  the
   Company acquired  an option  to purchase  a controlling  interest  in
   ThumbScan, Inc. ("ThumbScan").   The Company  acquired a  controlling
   interest in ThumbScan  in January 1991,  and in  December 1991  VASCO
   Data  Security  International,   Inc.  increased   its  holdings   in
   ThumbScan.  VASCO  subsequently  acquired  the  remaining  shares  of
   ThumbScan. In July 1993, ThumbScan  was renamed VASCO Data  Security,
   Inc.

        VDS NV/SA.  VASCO  Data  Security   NV/SA  ("VDS NV/SA")  is   a
   combination  of  two  European  companies  (Lintel  Security  NV  and
   Digipass SA) acquired  by the  Company, through  VDSE, in  1996,  and
   accounts for a substantial portion of VASCO's consolidated revenues.

        Acquisition of Lintel Security.   In 1996,  the Company began  a
   significant expansion of its computer security business by  acquiring
   a 15%  interest in  Lintel Security  NV ("Lintel  Security").  Lintel
   Security, a newly formed Belgian corporation, concurrently  purchased
   from Lintel NV,  a Brussels,  Belgium based  company, certain  assets
   associated with  the  development  of security  tokens  and  security
   technologies for personal  computers ("PCs"),  computer networks  and
   telecommunications systems using Data Encryption Standard ("DES") and
   Rivest, Shamir, Adelman ("RSA") cryptographic algorithms. The Company
   acquired the remaining 85%  of Lintel Security in  June 1996. At  the
   time  of  acquisition  of  Lintel NV's  assets  by  Lintel  Security,
   Lintel NV was a  competitor of the  Company in  Europe. The  purchase
   price paid for  Lintel Security was  approximately $4.4 million,  and
   was paid in cash,  shares of VASCO common  stock, and VASCO  warrants
   and convertible notes.

        Acquisition of Digipass.  In July 1996, the Company acquired the
   stock of Digipass SA ("Digipass") for an aggregate purchase price  of
   $8.2 million. Digipass,  based in a  suburb of Brussels,  was also  a
   developer of  security  tokens  and security  technologies  for  PCs,
   computer  networks  and  telecommunications  systems  using  the  DES
   cryptographic algorithm. At the time  of acquisition, Digipass was  a
   competitor of the Company in Europe.

        Prior to the Company's  acquisition of Digipass, certain  assets
   and liabilities of the interactive voice response ("IVR") business of
   Digiline SA, an integrator  of IVR  products based  in Belgium,  were
   transferred to Digipass. Digipass'  IVR products were used  primarily
   in telebanking applications and incorporate authentication and access
   control technology. During 1997, VDS NV/SA sold the IVR business  for
   approximately $200,000.

        In January  1997,  Digipass  changed its  name  to  "VASCO  Data
   Security NV/SA."    Concurrent  with  this  event  Lintel  Security's
   operations were  consolidated with  those of  VDS NV/SA  at a  single
   location near Brussels.
<PAGE>
        The Company  's  original  business  was  providing  consulting,
   training and software services to companies and government  agencies.
   These services were marketed as VASCO Performance Systems ("VPS"). In
   1996,  management  determined  that  the  Company  should  focus  its
   energies and  resources  on  the data  security  industry,  where  it
   believed   significant   growth   and   profit   potential   existed.
   Accordingly, on August 20, 1996, the  Company sold the assets of  VPS
   and withdrew from the consulting and technical training business.


   Financial Information about Industry Segments

        During each  of the  last three  fiscal years,  the Company  has
   operated in only one industry segment.

   Financial Information Relating to Foreign and Domestic Operations and
   Export Sales

        See Note 10 to VASCO Notes to Consolidated Financial  Statements
   for certain  information about  foreign and  domestic operations  and
   export sales.

   Narrative Description of the Business

        General

        The  Company  designs,  develops,  markets  and  supports   open
   standards-based hardware and software  security systems which  manage
   and secure  access  to  information assets.  The  Company's  hardware
   products include time-synchronous  response only,  challenge/response
   and time-synchronous challenge/response user authentication  devices,
   some of which incorporate an electronic digital signature feature  to
   guarantee the  integrity of  data  transmissions. These  devices  are
   commonly referred to as security tokens.

        The Company's security tokens are based upon its core encryption
   technology, which utilizes two widely known and accepted  algorithms,
   DES and  RSA. The  Company's Cryptech  division produces  high  speed
   hardware and software  encryption products used  both internally  for
   its security tokens and for original equipment manufacturers  ("OEM")
   vendors requiring  real time  encryption services.  In addition,  the
   Company has  introduced  a smartcard  security  token that  uses  the
   challenge/response mode  and  the  X.509  certificate  authentication
   standard.

        The Company's security tokens are designed  to be used with  the
   VASCO Access  Control Manager  ("VACMan") server  software or  to  be
   integrated  directly  into  applications.  Together,  the   Company's
   software and  hardware  products  provide  what  it  believes  is  an
   economical   state-of-the-art   authentication,   authorization   and
   accounting security system.

        As of  December  31, 1998,  the  Company had  over  2.6  million
   security token  devices,  its  primary  product  line,  in  use.  The
   Company's  security  products  are  sold  primarily  to   value-added
   resellers and distributors, and to a lesser extent end-users.
<PAGE>
        The Company has embarked upon  an aggressive campaign to  expand
   its distributor and reseller network. Distributors and resellers that
   have  entered   into   agreements  with   the   Company's   operating
   subsidiaries include,  among  others,  Concord-Eracom  Nederland  BV,
   Protect Data Norge AS, Sirnet AB, All Tech Data Systems, Inc.,  Clark
   Data Systems, Inc. and HUCOM, Inc.

        Representative  end-users  of  the  Company's  products  include
   ABN-AMRO Bank, First Union National Bank N.A., Generale Bank, Artesia
   Bank N.V.  (formerly Banque  Paribas  Belgigue S.A.),  Rabobank,  S-E
   Banken, Volvo  Data North  America,  Inc., France  Telecom,  Manitoba
   Telephone and Andrew Corp.

        Industry Background

        The Data Security Industry. The increasing use and reliance upon
   proprietary  or  confidential  data  by  businesses,  government  and
   educational  institutions  that  is  accessible  remotely  by  users,
   together with  the  growth  in electronic  commerce,  has  made  data
   security a paramount concern. The Company believes that data security
   concerns  will  spur  significant  growth  in  the  demand  for  both
   enterprise and consumer security solutions.

        Enterprise Security. With the  advent of personal computers  and
   distributed systems  in  the form  of  wide area  networks  ("WANs"),
   intranets which  connect users  in disparate  facilities, local  area
   networks ("LANs"), which connect users  located in a single  facility
   and the public  network known as  the Internet/ World  Wide Web  (the
   "Internet"), and other  direct electronic  links, many  organizations
   have implemented applications  to enable their  work force and  third
   parties, including vendors,  suppliers and customers,  to access  and
   exchange data. As a  result of the increased  number of users  having
   direct and remote access to enterprise networks and data, including a
   growing number  of  mobile  computer  users  and  telecommuters  that
   perform some  or  all  of  their  work  from  home  or  other  remote
   locations, data has  become increasingly  vulnerable to  unauthorized
   access.
        Unauthorized access can range from  users who are authorized  to
   access portions  of  an enterprise's  computing  resources  accessing
   unauthorized portions,  to  hackers  who have  no  legitimate  access
   breaking  into  a  network  and  stealing  or  corrupting  data.  The
   consequences  of  such  unauthorized  access,  which  can  often   go
   undetected, can range from theft of proprietary information or  other
   assets to the alteration or destruction  of stored data. As a  result
   of  unauthorized   access  stemming   from  the   increased  use   of
   enterprise-wide computing  and remote  access, network  security  has
   become a primary concern to most companies that use and rely on data.
   This increased attention to data  security has stimulated demand  for
   data security  products. The  Company believes  that enterprises  are
   seeking solutions which will continue to allow them to expand  access
   to data while maintaining adequate security.
<PAGE>
        Consumer Security. In addition  to the need for  enterprise-wide
   security, the proliferation of PCs in both home and office,  combined
   with widespread  access to  the  Internet, have  created  significant
   opportunities  for  electronic  commerce  such  as  electronic   bill
   payment, home banking and home shopping. All of these activities  are
   primarily based on the  use of the  Internet. According to  published
   reports, the  growth in  the number  of Internet  users worldwide  is
   expected to  increase  from  approximately  28  million  in  1996  to
   approximately 175 million by the end of 2001.

        The public generally perceives that there is a risk involved  in
   using credit  cards  to make  purchases  via the  Internet  and  this
   perception has hampered the development of consumer-based  electronic
   commerce. Accordingly, the Company believes that successful expansion
   of  electronic  commerce  requires  the  implementation  of  improved
   security  measures  which  accurately  identify  users  and  reliably
   encrypt data transmissions over the Internet.

        Products

         Current Data Security Solutions

         Data security and secured access to on-line commerce  generally
         consist of five components:

         Encryption:  Maintains data privacy  by converting  information
   into an unreadable  pattern and allowing  only authorized parties  to
   decrypt the  data. Encryption  can also  maintain data  integrity  by
   creating  digital  signatures  for  transmitted  data,  enabling  the
   recipient to  check whether  the data  was  changed since  or  during
   transmission.

         Identification  and Authentication:  Serves as  the  foundation
   for other security mechanisms by verifying  that a user is who he  or
   she claims to  be. Identification and  authentication mechanisms  are
   often employed  with  encryption  tools  to  authenticate  users,  to
   determine the proper encryption  key for encrypting/decrypting  data,
   or to enable  users to digitally  "sign" or verify  the integrity  of
   transmitted data.

         AccessControl: Includes firewalls, which limit a user's  access
   to data to only that  data which he or  she is authorized to  access,
   and authorization and accounting systems, which also limit access  to
   data and keep  track of  a user's  activities after  access has  been
   granted.

         Anti-Virus:  Programs that scan for and, in many cases,  remove
   destructive computer  programs known  as  computer viruses  that  can
   become imbedded into programs residing on a computer.

         Administration   and  Management  Tools:  Set,  implement   and
   monitor security policies, the access to which is typically regulated
   by access control systems. These tools are extremely important to the
   overall effectiveness of a security system.
<PAGE>
        The most effective security policies employ most, if not all, of
   these five  components.  However,  most companies  only  implement  a
   patchwork combination of these components, which can result in  their
   security systems being compromised.

        Historically, the Company's primary products have been  security
   tokens. Security tokens  are an integral  part of identification  and
   authentication systems, which  in turn  serve as  the foundation  for
   each of  the five  components of  data security  outlined above.  The
   Company has sought to leverage its identification and  authentication
   expertise by expanding  its product  offerings to  include the  other
   components of data security, in each case incorporating the Company's
   security tokens.  The  Company  has  sought  to  expand  its  product
   offerings to reach  its ultimate goal  of supplying a  full range  of
   security products for integrated, enterprise-wide security solutions,
   which will meet the needs of the emerging data security market.

        Identification   and    Authentication.    Identification    and
   authentication systems provide the foundation for security systems by
   validating the identity of each user attempting to access information
   or data  contained in  a system,  regardless  of location.  The  most
   common use  of  an identification  and  authentication device  is  to
   authenticate local and  remote users who  have established a  network
   connection to a company's  computer network. Authentication is  often
   done in conjunction with a firewall to authenticate internal users of
   stand-alone  PCs  on  networks  or  to  authenticate  customers   and
   suppliers who have been granted access to a restricted portion of the
   Company's data or other information.

        There are three basic methods used  to authenticate a user.  The
   first method identifies  who the user  is, utilizing a  hard-to-forge
   physical attribute such as the user's fingerprints, voice patterns or
   eye retina  patterns.  In  each  case,  the  physical  attribute,  or
   biometric, must  be  capable of  being  scanned and  converted  to  a
   digital document.  While  biometric devices  offer  a high  level  of
   authentication,  they  are  susceptible  to  replay  attacks.  Replay
   attacks collect samples of a  user's biometric "print" (i.e.,  voice,
   finger, retina)  and  then replay  the  "print" to  access  a  target
   system. Furthermore, current technology requires additional  hardware
   to acquire,  or  read,  the biometric  "print."  The  added  hardware
   presents two challenges for biometric solutions: one is the cost  and
   the second is installation and maintenance.

        The second authentication  method is identifying  what the  user
   knows, usually a password known only to the specific user. Passwords,
   while easy to use, are also the least secure because they tend to  be
   short and  static,  and  are  often  transmitted  without  encryption
   ("clear text"). As a result, passwords are vulnerable to decoding  or
   observation and subsequent use by unauthorized persons. Once a user's
   password has been compromised, the  integrity of the entire  computer
   network can be compromised.

        The third authentication  method identifies what  the user  has,
   generally a  physical  device  or token  intended  for  use  by  that
   specific user. Tokens  are small devices  ranging from simple  credit
   card-like devices  to  more  complex devices  capable  of  generating
   time-synchronized challenge/ response access codes. Early examples of
   simple tokens include building access passes.
<PAGE>
        Certain token-based systems require both possession of the token
   itself and a  PIN to  indicate that  the token  is being  used by  an
   authorized  user.  Such  an  approach,  referred  to  as   two-factor
   authentication, provides  much greater  security than  single  factor
   systems such  as passwords  or simple  possession of  a token.  Early
   implementations of two-factor authentication include automatic teller
   machine ("ATM") cards. ATM cards require the user to possess the card
   and to know the PIN before  engaging in the transaction. The  Company
   believes that the use of the two-factor authentication system is  the
   optimal solution for reliable computer  and network security and  has
   targeted its products toward this end.

        Security  Tokens.    A  security  token  is  a  small,  portable
   computing device designed to generate  a one-time password. They  are
   normally difficult to counterfeit and  are assigned to an  individual
   user. The user  transmits a token-generated  password, along with  an
   assigned user  ID, to  a host  or authentication  server,  requesting
   access, generally to a network. Token-generated passwords are derived
   from a secret  key or  seed value.  An authentication  server on  the
   network receives and decrypts the token password with a corresponding
   decryption key, validates the user, and (if validated) grants access.
   Currently    available    security     tokens    are     event-based,
   time-synchronous, response only or challenge/response based.


        Event-based tokens have the same list of predetermined passwords
   as the authentication server. Passwords are generated by the token in
   a predetermined  manner, which  is expected  by the  server, and  the
   passwords remain valid for indefinite periods of time. As a result of
   the passwords being  generated from  a predetermined  list and  their
   ease of calculation by unauthorized users, event-based tokens are the
   easiest to compromise.

        Time-synchronous tokens  require the  authentication server  and
   the token to be password time-synchronous. When used, the token  will
   calculate and display a password using a stored secret seed value and
   the current  time of  day. The  server  then determines  whether  the
   password received is correct for the time frame that it was used  in.
   The principal  drawbacks for  time-synchronous tokens  are  extensive
   maintenance with respect to clock synchronization and the possibility
   of multiple uses within the specified time frame. Usually, steps  are
   taken  to  limit  the   re-use  of  a   password,  however,  when   a
   time-synchronous token is defined to multiple authentication servers,
   a common practice, then there is  a risk of a password being  re-used
   to access  other  servers.   Nevertheless,  these devices  provide  a
   higher level of security than event-based tokens.

        Response only tokens use either an "event" or time to  calculate
   the response only password. Response only tokens require the user  to
   activate the token and read the password.
<PAGE>
        Challenge/response tokens provide the highest level of security.
   The authentication server responds to a request for access by issuing
   a  randomly  generated  challenge  in  the  form  of  a  numeric   or
   alphanumeric sequence. The token, using  its embedded seed value,  or
   key, encrypts  the challenge.  The result  is an  encrypted  response
   which the user then transmits back  to the authentication server  via
   the user's PC keyboard. The server in turn retrieves the key that has
   been assigned to that user and decrypts the user's response. Assuming
   a match exists, the server authenticates the user and grants access.

        As with  time-synchronous tokens,  challenge/response tokens  do
   not transmit  an  encryption key.  However,  unlike  time-synchronous
   tokens, passwords of challenge/response tokens are one-time passwords
   that can never be  re-used. In addition, there  is no opportunity  to
   initiate a second, illegal  session with a challenge/response  token.
   Each attempt  at access  is  accompanied by  a  new challenge  and  a
   correspondingly unique password response.

        Although  challenge/response  tokens   generate  true   one-time
   passwords, it is possible  to compromise the  internal seed value  of
   pure challenge/response tokens that only use  the seed value and  the
   challenge to calculate the response.

        Time synchronous challenge/response  tokens can be  used to  add
   another variable  in the  calculation of  the one-time  password.  In
   addition to the  secret seed value  and the challenge  from the  host
   server, the time of  day can be used.  Because there is a  challenge,
   the time synchronization does not have to be nearly as exact as  with
   time-synchronous tokens. When time is used  as an input variable  for
   challenge response  tokens,  it  is  impossible,  with  today's  most
   advanced computers,  to  use  dictionary attacks  to  compromise  the
   token.

        Smartcards.  Smartcards  are  credit  card  sized  devices  that
   contain an  embedded  microprocessor,  memory  and  secure  operating
   system. Smartcards have been used in many applications, for  example,
   as stored value  cards, either for  making general  purchases or  for
   specific applications such  as prepaid calling  cards, and as  health
   care cards, which are used to store patient and provider  information
   and records.  Major smartcard  chip  and card  manufacturers  include
   Gemplus SA, Schlumberger Ltd., Philips Electronics N.V., Siemens A.G.
   and Groupe Francois Charles  Oberthur (FCO). These vendors,  together
   with cryptographic vendors, have  worked to make smartcard  standards
   compatible with cryptographic standards to offer a security  solution
   with authentication and digital signature capabilities.
<PAGE>
        The Company's Solution

        To date, most approaches to network security have been limited
   in scope and have failed to address critical aspects of data
   security.  The Company believes that an effective enterprise-wide
   solution must address and assimilate issues relating to the
   following: ease of use and administration, reliability,
   interoperability with heterogeneous enterprise environments and
   existing customer applications, and scaleability. The Company also
   believes that, in order to capitalize on this growing market need for
   enterprise-wide security solutions, network security products must
   embody both hardware and software components and provide an
   industry-accepted, open standards-based solution.

         Accordingly, the Company has adopted the following approach  to
   data security:

             (i)        In  designing  its products,  it has  sought  to
                incorporate      all      industry-accepted,       open,
                non-proprietary,   remote  access  protocols,  such   as
                RADIUS   and  TACACS+.  This  permits   interoperability
                between  the  Company's  security  token  products   and
                leading remote access servers.

            (ii)       It  has incorporated the  two most widely  known
                and accepted algorithms  - the DES and RSA algorithms  -
                into its products and has sought to refine its  offering
                of single-function, multi-function,  challenge/response,
                response  only  and  digital  signature  security  token
                products. The  Company believes that its combination  of
                software  and hardware  products provide  security  with
                added  speed, cryptographic  functionality,  reliability
                and   flexibility  not  attainable  with   software-only
                programs.     Its    products     provide     two-factor
                authentication requiring the authorized user to  possess
                both the token and the appropriate PIN.

             (iii)      In  addition  to  providing  identification  and
                authentication  features in its  security products,  the
                Company  has included accounting  and auditing  features
                that  allow  customers to  track  and analyze  all  user
                access  and attempted  access to  network systems.  This
                permits  easier customer  implementation and  monitoring
                of corporate security policies.

             (iv)       The  Company has designed  its security  systems
                to  support various platforms -  such as Windows NT  and
                Unix  - thereby allowing  customers to  ensure the  same
                security   for   remote   users  as   is   provided   to
                office-based users.

             (v)   The Company has sought to design products that are easy
                to use  and competitively priced. It also is  increasing
                its customer  support capabilities to ensure the  smooth
                installation and maintenance of its systems.
<PAGE>
        As a result of this approach,  the Company believes that it  has
   positioned itself to market a new generation of open  standards-based
   hardware and software security  systems, including those designed  to
   provide security to  Internet users, and  it intends  to continue  to
   grow to provide a full range of identification and authentication and
   other security products.

        Security    Token    Products.    Generally,    the    Company's
   challenge/response tokens work as  follows: when a  user logs onto  a
   computer or enters a program or network with a user ID, the  computer
   generates a numeric or alphanumeric  challenge and displays both  the
   challenge and a flashing bar pattern on the terminal screen. The user
   holds a token up to the flashing pattern on the screen, and the token
   reads and  interprets the  pattern and  then  displays a  unique,  or
   one-time, password  on  its liquid  crystal  display. The  user  then
   enters this password on the computer keyboard and, if a match exists,
   access to  the  computer,  program or  network  is  granted.  If  the
   terminal screen is not  able to display a  flashing bar pattern,  the
   user can enter the numeric or alphanumeric challenge into the  keypad
   on the token. PIN protected break-in  attempts to unlock the key  are
   tracked by the  token internally.  After a  pre-programmed number  of
   invalid attempts, the token will be locked out of the system until an
   authorized administrator provides an unlock code to reset the token.

        Some of the Company's products also are able to perform "digital
   signatures" for applications which  require proof that a  transaction
   was authorized. A  combination of  numbers from  the transaction  are
   entered into a  token which produces  an encrypted  number that  only
   that specific token, and the information from the transaction,  could
   have created. This number is then entered as part of the transaction,
   acting as a digital signature authorizing the transaction.

        The Company's security tokens include a family of devices  known
   as Digipass.   During the first  quarter of 1998,  the Company  began
   full production  and  shipping  of its  Digipass  300,  which  is  an
   optical, hand-held multiple-mode security token capable of  operating
   in  time-synchronous  response  only,  challenge/response  and   time
   synchronous  challenge/response  modes  and  of  performing   digital
   signature functions.  In  addition to the  Digipass 300, the  Company
   also offers the Digipass 500, a time-synchronous response only  token
   that generates a one-time password, to authenticate users of PCs  and
   networks and to verify data transmissions by electronic signature.

        Smartcards are  also emerging  as viable  security devices.  The
   Company currently offers a smartcard product, VACMan/CryptaPak,  that
   combines   two   authentication    standards   on   one    smartcard.
   VACMan/CryptaPak is a standards based smartcard solution that secures
   Internet applications based on the X.509 authentication standard  and
   also secures remote dial-in access based on the RADIUS authentication
   standard. It includes a smartcard, smartcard reader and software that
   enables  Netscape   Communications  Corporation's   Communicator   to
   authenticate users via  the X.509 certificate  standard and  software
   that enables remote dial-in users to be authenticated via the  RADIUS
   authentication standard.
<PAGE>
        Encryption Products.  Hardware encryption product offerings from
   the Company include  DES and  RSA microprocessor  chips that  perform
   algorithmic functions  for  use in,  among  other things,  ATMs,  fax
   machines, modems  and security  servers. The  Company's DES  and  RSA
   chips are also the central component  of its PC DES/RSA Cards,  which
   are printed  circuit  boards  that enable  software  applications  to
   provide encryption security.

        Access Control Products.  The  Company has, through a  strategic
   relationship, developed  the  VACMan  access  control  system,  which
   centralizes security services in a  single location, supports all  of
   the Company's  token  devices,  and is  based  on  industry  standard
   protocols to  maximize interoperability.   VACMan  also  incorporates
   authorization and accounting features.

        The Company's Strategy

        The Company's objective  is to establish  itself as  a "best  of
   breed" solutions vendor and to become  a leader in the data  security
   market. The Company's growth is  largely dependent on the  successful
   implementation of its  business strategy. There  can be no  assurance
   that the Company will be able to successfully implement its  business
   strategy or that, if implemented,  such strategy will be  successful.
   Key elements of the Company's  strategy for achieving this  objective
   are listed below:

        Increase Name Recognition. The  Company intends to increase  the
   name recognition of  its products. It  believes that by  establishing
   itself as a brand name, it  will obtain a key competitive  advantage.
   The Company believes that  the market for  data security products  is
   confused by  multiple technologies  and conflicting  claims and  that
   end-users will  ultimately be  more comfortable  buying a  well-known
   product. The  Company intends  to increase  its name  recognition  by
   emphasizing sales  to  well-known visible  end-users,  expanding  its
   distribution network,  increasing its  presence at  technology  trade
   shows and other  increased marketing activities  such as print  media
   campaigns.

        Expand Product Line.  The Company plans  to continue to  broaden
   its line  of security  products to  meet  its customers'  needs.  The
   Company  intends  to  accomplish   this  by  continuing  to   develop
   identification and authentication  expertise, as well  as by  seeking
   strategic  relationships  and   acquiring  complementary  assets   or
   businesses.

        Expand Global  Presence.  The implementation  of  data  security
   products for electronic  banking in  the European  market has  become
   widespread and as a result, the market for the Company's products has
   grown more quickly  in Europe  than in  North America.  Sales by  the
   Company's European subsidiary,  VDS NV/SA, and  its U.S.  subsidiary,
   VDSI, represented 81% and 19%,  respectively, of the Company's  total
   revenue for the year ended December 31, 1998. Nevertheless, sales  to
   U.S. customers represented  just 6% of  the Company's  sales for  the
   year ended December  31, 1998. The  Company believes  that there  are
<PAGE>
   significant opportunities for  its products in  the developing  North
   American market and further  believes it is  well positioned to  take
   advantage of this growing market. The Company intends to maintain and
   expand its  leadership role  in the  identification,  authentication,
   authorization and accounting  markets in Europe  and to leverage  its
   European  expertise   to   introduce  and   promote   the   Company's
   identification, authentication, authorization and accounting products
   to the  North American  and other  global markets.  Enterprises  that
   allow remote access to proprietary databases or information, or  need
   to  ensure  secure  data  transmission  for  purposes  of  electronic
   commerce (including via  the Internet), are  potential customers  for
   the Company's security products. The Company intends to pursue  these
   potential customers through its  growing network of distributors  and
   resellers.

        Expand Marketing Channels.  The Company intends  to recruit  and
   support a network of value added resellers worldwide that  specialize
   in both vertical (banking, financial, health, telecommunications  and
   government)  markets  and  horizontal  (remote  access  and  Internet
   application) markets. By  undertaking these  activities, the  Company
   intends to address and fulfill the requirements of the growing remote
   access  market   that  is   in  need   of  advanced   identification,
   authentication, authorization and accounting products.

        Some of the  distributors and resellers  that have entered  into
   agreements to distribute the Company's products in various  strategic
   markets include:

      EUROPE                   NORTH AND SOUTH AMERICA       ASIA

   Concord-Eracom Nederland BV All Tech Data Systems, Inc.   HorizonSystems
   (Netherlands)               (Midwestern United States)    (Hong Kong)

   Telindus                    Unis Lumin                    HUCOM
   (Belgium)                   (Canada)                      (Japan)

   Secureware                  Excelsys, SA
   (France)                    (Chile)

   Sirnet AB                   Latin Ware Ltda.
   (Scandinavia)               (Colombia)

   Q&I Electronics             Sistemas Efficientes SA
   (Netherlands)               (Guatemala)

        Develop Strategic  Relationships.  To accomplish  its  strategic
   goals, the  Company  has  established  and  is  developing  strategic
   relationships with other vendors  of complementary security  products
   and may seek to acquire complementary assets or businesses. Also, the
   Company has identified vendors of security or remote access  products
   that relied solely on static passwords that the Company believes  its
   products can  enhance.  During  1998,  the  Company  entered  into  a
   strategic partnership  with  Lernout  & Hauspie  Speech  Products  NV
   ("L&H"),  a  worldwide  market   leader  in  speech  and   linguistic
   technologies, products, and services.
<PAGE>
        The Company also has entered into co-development agreements with
   certain companies  to  gain  access to  technology  critical  to  the
   acceptance and adoption of the Company's technology and products.  As
   an example, the Company entered into a co-development agreement  with
   SHIVA Corp.,  a leader  in  remote access  communications  equipment,
   pursuant to which  the Company licensed  from SHIVA  Corp. a  generic
   security server. The resulting product, VACMan, enables the Company's
   technology  and   products  to   be  inserted   into  virtually   any
   organization that  allows  remote  dial-in  access  to  its  computer
   networks.

        The Company's Security Products

        The   Company's    family   of    hardware   products    include
   time-synchronous    response     only,     challenge/response     and
   time-synchronous challenge/response user authentication token devices
   or security tokens. As of December 31, 1998, the Company had over 2.6
   million security tokens (AccessKey II, AuthentiCard, Digipass 300 and
   Digipass 500) in use.   In addition, the  Company offers a  smartcard
   security token that uses the challenge/  response mode and the  X.509
   certificate  authentication  standard.  The  Company  also   designs,
   develops and markets encryption chips and encryption boards through a
   division called  Cryptech.  The  primary customers  of  the  Cryptech
   products are OEMs of  telecommunications equipment that require  real
   time encryption.

        All the Company's security tokens can be used with its software
   authentication server, VACMan, to provide a complete identification,
   authentication, authorization and accounting security system. VACMan
   supports each of the Company's security devices and permits users to
   centralize their security systems in a single server or network of
   servers. It is designed for small, medium and large enterprises and
   Internet service providers, and it provides a centralized and
   flexible solution for managing network access. VACMan is scalable for
   large remote access systems and a single server can support numerous
   distributed network access servers.

        The Company also offers numerous additional products to extend
   the security services of VACMan/Server to platforms and/or
   applications that do not yet support the RADIUS protocol. Examples of
   such products are VACMan/Client NT, VACMan/Client IIS (Microsoft Web
   Server), and VACMan/Client Solaris.  In addition the Company offers
   workstation software to enhance network connections when using
   advanced products like Digipass 300 or VACMan/CryptaPak. These
   products have unique workstation requirements to generate a terminal
   flash pattern for the security tokens and to communicate to a
   smartcard reader attached to the workstation in the case of
   VACMan/CryptaPak.

        The Company also provides a software development kit ("SDK")
   that can be used by other vendors or by clients to build RADIUS
   support into their products or applications. This SDK enables them to
   perform one integration project and gain support for all RADIUS
   compliant security servers. The SDKs are written in the C programming
   language and can be used in numerous operating system environments
   such as MVS, VMS, UNIX, Windows, NetWare and DOS. The SDKs enable the
   Company's strategic partners to integrate the Company's products into
   their own product offerings.
<PAGE>
        Intellectual Property and Proprietary Rights

        The Company  relies  on  a  combination  of  patent,  copyright,
   trademark and trade secret laws, as well as employee and  third-party
   non-disclosure agreements  to  protect  its  proprietary  rights.  In
   particular, the Company  holds several patents  in the United  States
   and a corresponding patent in certain European countries, which cover
   certain aspects of its technology. The majority of its patents  cover
   the  Company's  AccessKey   II,  Digipass  300,   Digipass  500   and
   AuthentiCard tokens. The U.S. patents  expire between 2003 and  2010;
   the European  patent  expires in  2008.  The Company  believes  these
   patents to be valuable property rights and relies on the strength  of
   its patents and trade secret law to protect its intellectual property
   rights. To the extent that the Company believes its patents are being
   infringed upon, it intends to assert vigorously its patent protection
   rights, including but  not limited to,  pursuing all available  legal
   remedies.

        While the Company believes that its patents are material to its
   future success, there can be no assurance that the Company's present
   or future patents, if any, will provide a competitive advantage. It
   also may be possible for others to develop products with similar or
   improved functionality that will not infringe upon the Company's
   intellectual property rights. Furthermore, to the extent that the
   Company believes that its proprietary rights are being violated, and
   regardless of its desire to do so, it may not have adequate financial
   resources to engage in litigation against the party or parties who
   may infringe on its proprietary technology.

        In November 1998, the  Company was served  with a lawsuit  filed
   against it by  Security Dynamics Technologies,  Inc. alleging  patent
   infringement. While the Company believes that it is protected by  its
   patents and that this lawsuit was without merit, it was determined to
   be in the best interests of the Company to resolve this lawsuit in  a
   timely manner.    Therefore,  on April  6,  1999,  Security  Dynamics
   Technologies,  Inc.,  the  Company  and  VASCO  Data  Security,  Inc.
   announced settlement on confidential terms of the claims that each of
   the companies  had  raised  in litigation  filed  during  1998.    In
   addition, the Company  is from time  to time  involved in  litigation
   incidental to the conduct of its  business. Except for the  foregoing
   lawsuit, the  Company  is  not  a  party  to  any  other  lawsuit  or
   proceeding which, in the opinion of  management, is likely to have  a
   material  adverse  effect  on   the  Company's  business,   financial
   condition or results of operations.

        Research and Development

        The Company's research and development efforts are  concentrated
   on product enhancement,  new technology development  and related  new
   product introductions.  The Company  employs 11  full-time  engineers
   and, from  time to  time, independent  engineering firms  to  conduct
   non-strategic R&D efforts on its behalf.  For the fiscal years  ended
   December 31,  1996, 1997  and 1998,  the Company  expended  $575,000,
   $1,802,000,  and  $1,788,000,  respectively,  on  R&D,   representing
   approximately 5.6%,  14.6%, and  11.9% of  consolidated revenues  for
   1996, 1997 and 1998, respectively.
<PAGE>
        Production

        The Company's  security hardware  products are  manufactured  by
   third parties pursuant to purchase orders issued by the Company.  Its
   hardware products are comprised  primarily of commercially  available
   electronic components  which are  purchased globally.  The  Company's
   software products are  controlled in-house by  Company personnel  and
   can be  produced either  in-house or  by several  outside sources  in
   North America and in Europe.   At December 31, 1998, the Company  had
   firm purchase  orders  from customers  for  an aggregate  of  464,000
   AccessKey II, AuthentiCard,  Digipass 300 and  Digipass 500  security
   token units, exclusive of the units shipped under those orders as  of
   that date.

        With the  exception of  the AccessKey  II token,  the  Company's
   security   tokens   utilize   commercially   available   programmable
   microprocessors, or chips. The Company uses two microprocessors, made
   by Samsung  and Epson,  for the  various hardware  products  produced
   other than the  AccessKey II token.  The Samsung microprocessors  are
   purchased from  Samsung  Semiconductor  in  Belgium,  and  the  Epson
   microprocessors are  purchased  from Alcom  Electronics  NV/SA,  also
   located in Belgium.  The microprocessors are  the only components  of
   the Company's security  tokens that are  not commodity items  readily
   available on  the  open  market. While  there  is  an  inherent  risk
   associated  with  each  supplier  of  microprocessors,  the   Company
   believes having two sources reduces the overall risk.

        AccessKey   II   uses    a   custom-designed   and    fabricated
   microprocessor which  is currently  available from  a single  source,
   Micronix Integrated Systems, in the  United States. The Company  does
   not have  a  long-term contract  with  Micronix, but  rather  submits
   blanket  purchase  orders  for   the  AccessKey  II   microprocessor.
   AccessKey II  production  was reduced  during  1998 and  ceased  full
   production during  the  first  quarter  of  1999,  as  production  of
   Digipass  300   increased,   which   employs   a   widely   available
   microprocessor.

        Orders of microprocessors  and some  other components  generally
   require a lead time of 12-16 weeks. The Company attempts to  maintain
   a sufficient inventory of  all parts to handle  short term spikes  in
   orders. Large orders that  would significantly deplete the  Company's
   inventory are typically required to be placed with more than 12 weeks
   of lead time,  allowing the Company  to attempt  to make  appropriate
   arrangements with its suppliers.
<PAGE>
        The Company purchases the majority of its product components and
   arranges for shipment to  third parties for  assembly and testing  in
   accordance with design specifications.  The Company's three  security
   token  products  are   assembled  exclusively   by  two   independent
   companies, each of which is based in Hong Kong. Purchases from one of
   the companies are made on a  purchase order by purchase order  basis.
   Purchases from the other company are under a contract that extends to
   January 21, 2000,  with automatic  one-year renewals  and subject  to
   termination on six months notice.  Each of these companies  assembles
   the Company's security tokens at facilities in mainland China. One of
   the companies  also maintains  manufacturing capacity  in Hong  Kong.
   Equipment designed  to  test product  at  the point  of  assembly  is
   supplied by  the Company  and periodic  visits  are made  by  Company
   personnel for purposes of quality assurance, assembly process  review
   and supplier relations.

        Competition

        The market for computer and  network security solutions is  very
   competitive and, like most  technology-driven markets, is subject  to
   rapid change  and  constantly  evolving products  and  services.  The
   industry is comprised of  many companies offering hardware,  software
   and  services   that  range   from  simple   locking  mechanisms   to
   sophisticated encryption  technologies.  The  Company  believes  that
   competition in this  market is  likely to  intensify as  a result  of
   increasing demand for  security products.  The Company's  competition
   comes from  a number  of sources,  including (i)  software  operating
   systems suppliers and application software vendors that incorporate a
   single-factor static password  security system  into their  products,
   and (ii) token-based  password generator  vendors promoting  response
   only and/or challenge/ response technology, such as ActivCard,  Inc.,
   AXENT Technologies, Inc.  CRYPTOCard, Inc.,  Leemah DataCom  Security
   Corporation,  Racal-Guardata,  Inc.,  Secure  Computing  Corp.,   and
   Security Dynamics Technologies, Inc.

        In some cases, these vendors also support the Company's products
   and those of its competitors. The  Company also may face  competition
   in the future from these and other parties that develop computer  and
   network  security  products  based  upon  approaches  similar  to  or
   different from those employed by the Company.

        The Company  believes  that the  principal  competitive  factors
   affecting the  market  for  computer and  network  security  products
   include  name   recognition,  technical   features,  ease   of   use,
   quality/reliability, level of security, customer service and support,
   distribution channels and price.  Although the Company believes  that
   its  products  currently  compete  favorably  with  respect  to  such
   factors, other than name recognition in certain markets, there can be
   no assurance that the Company  can maintain its competitive  position
   against current  and  potential competitors,  especially  those  with
   significantly  greater   financial,  marketing,   service,   support,
   technical and other competitive resources.
<PAGE>
        Many of  the Company's  present and  potential competitors  have
   significantly greater financial, technical, marketing, purchasing and
   other resources than  the Company, and  as a result,  may be able  to
   respond more quickly to new or  emerging technologies and changes  in
   customer  requirements,  or  to  devote  greater  resources  to   the
   development,  promotion  and   sale  of  products,   or  to   deliver
   competitive products at a lower end user price. Current and potential
   competitors   have   established   or   may   establish   cooperative
   relationships among themselves or with third parties to increase  the
   ability of  their products  to address  the  needs of  the  Company's
   prospective  customers.  Accordingly,   it  is   possible  that   new
   competitors or alliances may  emerge and rapidly acquire  significant
   market share.

        The Company's products  are designed to  allow authorized  users
   access to  a  computing environment,  in  some cases  using  patented
   technology as a replacement for the static password. Although certain
   Company security  token technologies  are patented,  there are  other
   organizations that offer token-type password generators incorporating
   challenge-response or response only approaches that employ  different
   technological solutions  and  compete  with the  Company  for  market
   share.

        Sales and Marketing

        The  Company's  computer  and  network  security  products   are
   marketed primarily through an indirect sales channel and distribution
   network and, to a lesser extent,  directly to end-users. The  Company
   markets  its  products  primarily   in  North  America,  Europe   and
   Asia-Pacific through a combination of value-added resellers, original
   equipment manufacturers,  independent distributors  and direct  sales
   efforts.  A  sales  staff  of   20  coordinates  sales  through   the
   distribution network and  makes direct  sales calls  either alone  or
   with sales personnel of vendors of computer systems. The sales  staff
   also provides  product  education  seminars  to  sales  personnel  of
   vendors and distributors with whom the Company has working  relations
   and to potential end-users of the Company's products.

        In January of 1997, the  Company introduced the VASCO  Advantage
   Reseller ("VAR") program. The goal of  this program is to expand  the
   Company's marketing channels by engaging companies already proficient
   in reselling  computer network  products  and security  solutions  to
   distribute the  Company's products.   The  Company works  with  these
   value   added   resellers,   resellers,   OEM's   and    distributors
   (collectively referred to as  "Resellers") through its United  States
   and European operating subsidiaries, VDSI and VDS NV/SA. VDSI,  which
   is primarily responsible for North America, South America and  Japan,
   started  in  1997   with  one  Reseller.   Since  January  1,   1997,
   arrangements have been made with 54 additional Resellers, for a total
   of 55. VDS NV/SA, which is generally responsible for developing sales
   in the remainder of the world,  had an existing base of 17  Resellers
   prior to the announcement of the VAR program. Since January 1,  1997,
   VDS NV/SA has engaged an additional 44 Resellers, for a total of 61.
<PAGE>
        The Company's international sales and operations are subject  to
   risks such as the imposition of  government controls, new or  changed
   export license requirements, restrictions  on the export of  critical
   technology, trade  restrictions and  changes  in tariffs.  While  the
   Company believes its  products are  designed to  meet the  regulatory
   standards  of  foreign  markets,  any  inability  to  obtain  foreign
   regulatory approvals on a timely basis could have a material  adverse
   effect on the Company's financial condition or results of operations.

        The Company's products  are subject to  export restrictions  and
   controls  as  administered  by  the  National  Security  Agency,  the
   Department of  State  and  the  Department  of  Commerce.  Encryption
   products  are  eligible  for  export  depending  upon  the  level  of
   encryption technology incorporated into the product. U.S. export laws
   also prohibit  the  export of  encryption  products to  a  number  of
   specified hostile countries. Until recently, the Company did not need
   to  obtain   U.S.  export   licenses  for   its  products.   However,
   VACMan/CryptaPak,  introduced to the  Company product line in  August
   1997, requires a  License Exception (i.e.,  authorization to  export,
   under   stated   conditions,   subject   to   Export   Administration
   Regulations). The  Company  believes it  is  able to  obtain  License
   Exceptions  for   its   VACMan/CryptaPak   product   for   sales   to
   international banking and financial institutions.

        The  Company's  core  authentication  products,  AccessKey   II,
   Digipass 300, and Digipass 500 do  not, nor are they likely to,  fall
   under U.S. encryption export control regulations. Although all of the
   Company's authentication  products utilize  encryption  technologies,
   the products cannot read and encrypt client data. Thus, they are  not
   subject to the U.S. encryption export control regulations.

        Similarly, VDS NV/SA,  the Belgian operating  subsidiary of  the
   Company, is subject  to export licensing  requirements under  Belgian
   law. The  inability of  VDS NV/SA  to  obtain required  approvals  or
   licenses under Belgian law also could have a material adverse  effect
   on the Company's financial condition or results of operations.
   The  Belgian  export  of  VDS  NV/SA's  cryptographic  products,
   consisting of DES and  RSA microprocessors and  PC/DES and RSA  cards
   (including software  development  kit(s)),  is  subject  to  European
   Community  regulations.  VDS   NV/SA's  cryptographic  products   are
   considered to be "goods of dual  use" under those regulations,  i.e.,
   goods that can be used for both civil and military purposes. As such,
   a national individual  export license is  required for their  export,
   except to Luxembourg and the Netherlands. Only the VDS NV/SA products
   that perform encryption of  data for confidentiality reasons  require
   an individual  export  license,  and  VDS  NV/SA  has  obtained  such
   licenses for the export of these products.

        VDS NV/SA, as owner and exporter of the cryptographic  products,
   must apply to the Belgian Ministry of Economic Affairs for an  export
   license for each company to which it exports such products. An export
   license is  valid for  one customer  for one  year from  the date  of
   issue. It can be  reused for several  consecutive deliveries to  that
   customer until  the  total  export  quantity,  as  indicated  on  the
   license, has  been  exhausted.  If the  quantity  is  not  completely
   exported during  the one  year license  period,  the license  can  be
   renewed once for another  year. VDS NV/SA  applies for such  licenses
   for customers that wish to purchase cryptographic products.
<PAGE>
        Customers and Markets

        Customers for the Company's  security products include, to  some
   extent, businesses that purchase  products directly from the  Company
   for use by their employees, clients or vendors, but the majority  are
   value-added resellers or distributors of related security products or
   services who in turn sell to other businesses.

        To date, virtually all of  the Company's security products  have
   been sold  in Europe.   Sales  to one  European distributor,  Sirnet,
   accounted for 20%  of the  Company's consolidated  revenues in  1998.
   Additionally,  Rabo  Bank  and   Concord-Eracom  Nederland  NV   each
   accounted for  approximately  16%  and 13%  of  the  Company's  total
   revenues, respectively.  The Company is aware of the risks associated
   with this degree of customer concentration and expects to reduce  its
   reliance on these customers in 1999 and beyond.

        Backlog

        At December 31, 1998, the Company had firm purchase orders  from
   customers for an  aggregate of $9,567,000  of Authenticard,  Digipass
   300 and Digipass  500 security token  units, exclusive  of the  units
   already shipped under such purchase orders  as of December 31,  1998.
   This compares to a balance of $8,643,000 as of December 31, 1997.

        Employees

        As of  December  31, 1998,  the  Company employed  54  full-time
   employees and 6 full-time consultants.  Of these, 27 were located  in
   North America and 33 were located in Europe. Of the 60 total, 35 were
   involved in  sales, marketing  and customer  support, 13  in  product
   production, research and development and 12 in administration.

   Item 2 - Properties

        The   Company's   corporate    offices   and   North    American
   administrative, sales  and marketing,  research and  development  and
   support facilities  are located  in the  United States  in an  office
   complex in Oakbrook Terrace, Illinois,  a western suburb of  Chicago.
   These facilities are leased through November 15, 1999, and consist of
   approximately 10,000  square  feet.  The Company  believes  that  the
   Oakbrook Terrace facilities will be  adequate for its present  growth
   plans.

        The Company's  European  administrative,  sales  and  marketing,
   research and  development  and  support  facilities  are  located  in
   Belgium in an industrial park in  a southwestern suburb of  Brussels.
   These facilities  consist  of  approximately 10,000  square  feet  of
   office space which  are occupied under  a lease expiring  in July  of
   1999.  Upon  the termination of  the current lease,  the Company  has
   arranged a lease  for facilities consisting  of approximately  20,000
   square feet of office  space located in a  suburb of Brussels, for  a
   term of six years.  This lease had not yet been signed.
<PAGE>
   Item 3 _ Legal Proceedings

        During 1998, the Company was served with a lawsuit filed against
   it  by   Security  Dynamics   Technologies,  Inc.   alleging   patent
   infringement.   On April  6,  1999, Security  Dynamics  Technologies,
   Inc.,  the  Company  and  VASCO  Data  Security,  Inc.  announced   a
   settlement on  confidential terms  of the  claims  that each  of  the
   companies had raised in litigation filed last year.

         In  addition, the  Company is  from time  to time  involved  in
   litigation incidental to the conduct of its business. Except for  the
   foregoing lawsuit, the Company is not a party to any other lawsuit or
   proceeding which, in the opinion of  management, is likely to have  a
   material  adverse  effect  on   the  Company's  business,   financial
   condition or results of operations.

   Item 4 _ Submission of Matters to a Vote of Security Holders

        No matter was submitted to a vote of security holders during the
   fourth quarter of 1998, through solicitation of proxies or otherwise.

<PAGE>
                                  PART II

   Item  5  -  Market  for   Registrant's  Common  Equity  and   Related
   Stockholder Matters

        There was no established public market  for the Common Stock  in
   1997.  On March 20, 1998,  the Common Stock was approved for  trading
   on the NASD Electronic Bulletin Board system under the symbol "VDSI."

        On April 14, 1999, the closing  sale price for the Common  Stock
   on the Over-the-Counter Bulletin  Board was $4.125  per share.   Such
   Over-the-Counter  market  quotations  reflect  inter-dealer   prices,
   without  retail  mark-up,  mark-down   or  commission  and  may   not
   necessarily represent  an actual  transaction.   On March  31,  1999,
   there were approximately 1,500 holders of record of the Common Stock.

        Prior to March 23, 1998, shares of VASCO Corp. common stock were
   quoted on the OTC-BB under the symbol "VASC."  Since March 23,  1998,
   the Common  Stock has  been quoted  on the  OTC-BB under  the  symbol
   "VDSI."  The following table sets forth the high and low closing  bid
   quotations for the securities and  periods indicated within the  past
   two fiscal years.

      VASCO Corp. common stock                     High   Low
   1997
     First Quarter                                  5 7/8      3 7/16
     Second Quarter                                 4 5/8      2 1/4
     Third Quarter                                  5 7/16     2 3/8
     Fourth Quarter                                 7          2 15/16

   1998
     First Quarter                                  7 1/4      4 3/16
     Second Quarter                                12 11/32    5 3/8
     Third Quarter                                  7 1/4      2 3/4
     Fourth Quarter (through October 27, 1998)      3 7/16     2 3/4

            Common Stock
   1998
     First Quarter                                  6          4
     Second Quarter                                 9          3
     Third Quarter                                  7 1/8      3
     Fourth Quarter                                 4          2 1/2

        On October 28, 1998,  the last sale price  quoted on the OTC  BB
   was 3 1/4.  The above quotations represent prices between dealers and
   do not include retail markups or markdowns or commissions.  They  may
   not necessarily represent actual transactions.
<PAGE>
        The Company has not paid any dividends on its Common Stock since
   incorporation.  Dividends were paid relating to the Company's  Series
   B Preferred Stock, which was converted  to Common Stock in  September
   1997. Restrictions or limitations on the payment of dividends may  be
   imposed under the  terms of  credit agreements  or other  contractual
   obligations. In the absence of such restrictions or limitations,  the
   declaration and payment of dividends will  be at the sole  discretion
   of the  Board of  Directors of  the Company  and subject  to  certain
   limitations under  the  General  Corporation  Law  of  the  State  of
   Delaware.  The  timing, amount and  form of dividends,  if any,  will
   depend, among other things, on  the Company's results of  operations,
   financial condition, cash requirements, plans for expansion and other
   factors deemed  relevant by  the Board  of  Directors.   The  Company
   intends to retain  any future earnings  for use in  its business  and
   therefore does  not  anticipate  paying any  cash  dividends  in  the
   foreseeable future.

   Item 6 - Selected Financial Data
   (in thousands, except per share data)(1)(2)
<TABLE>
                                       Year Ended December 31,
                             ---------------------------------------------
                             1994    1995     1996     1997(2)     1998
                             ----    ----     ----     -------     ----
   <S>                     <C>     <C>      <C>        <C>        <C>
   Statement of Operations
   Data:
   Total revenues           $2,693  $3,695  $10,192    $12,302    $15,016
   Operating income(loss)      192    (534)  (8,658)(3) (3,935)(4) (1,210)
   Net income (loss)
   available to
     common stockholders        30    (465)  (9,349)(3) (5,998)(4) (3,649)
   Basic and diluted
   income (loss) per
     common share                -   (0.03)   (0.53)(3)  (0.31)(4)  (0.18)

   Shares used in computing
      per share amounts     14,260  14,817   17,533     19,106     20,431

                                              December 31,
                             ---------------------------------------------
                             1994    1995     1996      1997      1998
   Balance Sheet Data:       ----    ----     ----      ----      ----
   <S>                    <C>     <C>      <C>       <C>        <C>
   Cash                   $    38 $   745  $  1,814  $  1,898   $ 1,523
   Working capital            764   1,074     4,902      (555)   (3,086)
   Total assets             2,111   2,414    12,368     8,376     9,101
   Long term obligations,
   less current portion        60       7     9,114     8,443     8,436
   Common stock subject to
       redemption               -     371       742       495         -
   Stockholders' equity
       (deficit)            1,364     966    (1,205)   (6,865)   (9,646)
</TABLE>

<PAGE>
        For a discussion of factors that affect the comparability of the
   financial  information   set  forth   above,  such   as   significant
   acquisitions undertaken  by  the  Company,  the  disposition  of  the
   Company's VASCO Performance Systems line of business in 1996, and the
   significant costs incurred during 1997 related to the Exchange Offer,
   see Item  7  _ "Management's  Discussion  and Analysis  of  Financial
   Condition and Results of Operations."
   ___________________________
   (1) Represents the  financial information  of  VASCO Corp.  prior  to
     March 11, 1998, as the  Company had not begun operations until  the
     Exchange Offer.
   
   (2) Includes the results of operations of Lintel Security from  March
     1996 and Digipass from July 1996;  see "Financial Statements."
   
   (3) Includes a  pretax charge  for acquired  in-process research  and
     development of $7,351.
   
   (4) Includes legal, accounting  and printing  costs of  approximately
     $1,218  related  to  preparing for  the  Exchange  Offer  that  was
     completed in March 1998.


   Item 7 - Management's Discussion and Analysis of Financial  Condition
   and Results of Operations

        Certain  statements  contained  in  the  following  Management's
   Discussion  and  Analysis  of  Financial  Condition  and  Results  of
   Operations  are  forward-looking   statements.  All   forward-looking
   statements included herein are based on information available to  the
   Company on the date hereof and assumptions which the Company believes
   are reasonable. The Company does not assume any obligation to  update
   any such forward-looking statements. These forward-looking statements
   involve risks and uncertainties.  The Company's actual results  could
   differ materially  from those  anticipated in  these  forward-looking
   statements as a result of certain factors, including those set  forth
   elsewhere in this Form 10-K and the Company's other filings with  the
   Securities and Exchange Commission.

        On March 11, 1998, VASCO Data Security International, Inc.  (the
   "Company") successfully completed its offer (the "Exchange Offer") to
   exchange the  VASCO Corp.'s  shares, options,  and warrants  for  the
   Company's shares, options and warrants.    Because the Company was  a
   non-operating subsidiary of  VASCO Corp. prior  to the completion  of
   the Exchange Offer (which occurred on March 11, 1998), the discussion
   of results contained herein relates to the results of VASCO Corp. and
   its subsidiaries for periods prior to March 11, 1998 and the  Company
   after March 11, 1998.  As previously noted,  VASCO Corp. merged  into
   the Company effective October 28, 1998.
<PAGE>
   OVERVIEW

        VASCO designs, develops,  markets and  supports open  standards-
   based hardware and software security systems which manage and  secure
   access to information assets. VASCO's original corporate  predecessor
   was founded in 1984,  and VASCO entered the  data security market  in
   1991 when it acquired a controlling interest in what is today one  of
   VASCO's two operating subsidiaries, VASCO Data Security, Inc. ("VDS")
   (formerly known  as  "ThumbScan,  Inc."),  a  company  that  designs,
   develops and sells security tokens, primarily to European  customers.
   In 1996, VASCO  began developing and  marketing open  standards-based
   security systems  by introducing  a  hardware and  software  package,
   VACMan, that is based on industry-accepted remote access protocols.

        Revenue and Earnings. The majority of sales made by VDS and  VDS
   NV/SA are in the  European markets, although  the Company intends  to
   actively pursue additional  markets outside  of Europe,  particularly
   Asia and North and South America.

        Revenues  from  sales  of  security  tokens,  specifically   the
   AccessKey II and Digipass tokens, continue to represent the  majority
   of the Company's total revenues. In excess of 80% of VDS's sales  for
   1996, 1997 and 1998  were comprised of  security token devices,  with
   Concord-Eracom Nederland BV accounting for 97%, 92% and 70% of  VDS's
   sales in 1996, 1997 and 1998, respectively. On a consolidated  basis,
   the percentages  for 1996,  1997  and 1998  were  44%, 16%  and  13%,
   respectively, including revenues relating to the Lintel Security  and
   Digipass operations from their respective acquisition dates in  1996.
   It is expected that consolidated sales to other customers and markets
   will increase and, assuming this occurs, the degree of  concentration
   attributable to  this  major  customer will  decrease.  However,  the
   Company expects  that  this major  customer  will continue  to  be  a
   meaningful contributor to the Company's revenues and earnings for the
   foreseeable future. In 1998, for example, Concord-Eracom Nederland BV
   placed an additional $2.5 million  order with VDS. Consequently,  the
   unforeseen loss  of this  customer's business,  or the  inability  to
   maintain reasonable profit  margins on  sales to  this customer,  may
   have an adverse  effect on the  Company's results  of operations  and
   financial condition.

        Although the  Company  believes  it  is  likely  that  sales  of
   security tokens, including the Digipass 300, will continue to account
   for a majority of  the Company's total  revenues for the  foreseeable
   future, the Company  also believes that  revenues from  sales of  its
   other hardware  and software  data security  products, including  the
   additional product offerings made possible by the Lintel Security and
   Digipass acquisitions, will continue to increase in the future.
<PAGE>
        Research and Development.  The Company is  devoting its  capital
   and other resources to enhancing  its existing security products  and
   developing new  products  to  provide  enterprise-wide  hardware  and
   software security  solutions.  Costs  of  research  and  development,
   principally the design and development of hardware and software prior
   to the determination  of technological feasibility,  are expensed  as
   incurred on a project-by-project basis. The Company's  capitalization
   policy currently defines technological  feasibility as a  functioning
   beta test  prototype  with  confirmed  manufacturability  (a  working
   model), within a  reasonably predictable range  of costs.  Additional
   criteria include  receptive  customers, or  potential  customers,  as
   evidenced by interest  expressed in a  beta test  prototype, at  some
   suggested selling price.

        Once technological  feasibility  has been  established,  ongoing
   development costs  incurred  prior to  actual  sales of  the  subject
   product are  capitalized in  accordance with  Statement of  Financial
   Accounting Standards No.  86, "Accounting for  the Costs of  Computer
   Software  to  Be  Sold,   Leased  or  Otherwise  Marketed."   Product
   development costs are capitalized  on a product-by-product basis  and
   are amortized by  the greater  of (i)  the ratio  that current  gross
   revenues for a product bear to  the total of current and  anticipated
   future gross  revenues for  that product  or (ii)  the  straight-line
   method over the remaining estimated economic life of the product. The
   remaining estimated economic life of  these products are reviewed  at
   least quarterly.

        Management has  concluded  that,  in  today's  rapidly  evolving
   technology markets and with the expanding  state of the computer  and
   network security  industry  in  general, it  may  be  impractical  to
   anticipate product life cycles in excess of two years.  Historically,
   however, the Company's products have experienced significantly longer
   product lives than two years.

        Variations  in  Operating   Results.  The  Company's   quarterly
   operating results have in the past varied and may in the future  vary
   significantly. Factors affecting operating results include: the level
   of competition;  the size,  timing, cancellation  or rescheduling  of
   significant orders;  market acceptance  of new  products and  product
   enhancements; new  product  announcements  or  introductions  by  the
   Company's competitors; adoption  of new  technologies and  standards;
   changes in pricing by the Company or its competitors; the ability  of
   the Company to develop, introduce and market new products and product
   enhancements on  a  timely basis,  if  at all;  component  costs  and
   availability; the  Company's  success  in  expanding  its  sales  and
   marketing programs;  technological changes  in  the market  for  data
   security products;  foreign  currency  exchange  rates;  and  general
   economic trends and other factors.
<PAGE>
        In addition, the Company has experienced, and may experience  in
   the future, seasonality  in its  business. The  seasonal trends  have
   included higher revenue in the last quarter of the calendar year  and
   lower revenue in  the next succeeding  quarter. The Company  believes
   that revenue has tended to be higher  in the last quarter due to  the
   tendency of certain  customers to  implement or  complete changes  in
   computer or network security prior to  the end of the calendar  year.
   In addition, revenue  has tended to  be lower in  the summer  months,
   particularly  in  Europe,   when  many   businesses  defer   purchase
   decisions. Because  the Company's  operating  expenses are  based  on
   anticipated revenue levels  and a  high percentage  of the  Company's
   expenses are fixed, a small variation in the timing of recognition of
   revenue could cause significant variations in operating results  from
   quarter to quarter.

        Currency Fluctuations.  The majority  of  the supply  and  sales
   transactions of VASCO  Data Security,  Inc. are  denominated in  U.S.
   dollars, whereas many  of the supply  and sales  transactions of  VDS
   NV/SA are  denominated in  various foreign  currencies. In  order  to
   reduce the risks  associated with fluctuations  in currency  exchange
   rates, VDS NV/SA began in September 1997 to buy U.S. dollars based on
   three to  six months  estimated future  needs for  U.S. dollars,  has
   developed price lists  denominated in both  U.S. dollars and  foreign
   currencies, and  endeavors to  denominate its  new supply  and  sales
   transactions in  U.S.  dollars.  During  1997,  VDS  NV/SA  purchased
   $300,000 in U.S. dollars to cover purchases of supplies. This balance
   proved sufficient to meet VDS NV/SA's needs during 1998 as well.  VDS
   NV/SA has also continued to match  the timing of delivery, amount  of
   product and  the currency  denomination of  purchase orders  received
   from vendors with sales orders to customers.
<PAGE>
   RESULTS OF OPERATIONS

        The following  table  sets  forth, for  the  periods  indicated,
   certain consolidated financial data as  a percentage of revenues  for
   the years ended December 31, 1996, 1997 and 1998.

                                    Percentage of Revenue
                                   Year Ended December 31,
                                 --------------------------
                                   1996    1997    1998
                                   ----    ----    ----
   Revenues                       100.0%  100.0%  100.0%
   Cost of goods sold              57.6    51.1    46.3
                                   ----    ----    ----
   Gross profit                    42.4    48.9    53.7
   Operating costs:
     Sales and marketing           13.8    27.5    29.1
     Research and development       5.6    14.6    11.9
     General and administrative    35.8    38.8    20.8
     Acquired in-process research  
        and development            72.1      -       -
                                   ----    ----    ----
       Total operating costs      127.3    80.9    61.8
                                  -----    ----    ----
   Operating loss                 (84.9)  (32.0)   (8.1)
   Interest expense                (3.4)   (9.3)   (9.7)
   Other expense, net              (0.4)   (1.8)   (2.0)
                                   ----    ----    ----
   Loss before income taxes       (88.8)  (43.1)  (19.8)
   Provisions for income taxes      1.4     4.9     4.6
                                   ----    ----    ----
   Net loss                       (90.7)  (48.0)  (24.4)
                                   ====    ====    ====
 
   The following  discussion is  based upon  the Company's  consolidated
   results of operations for the years ended December 31, 1998, 1997 and
   1996.  References  to  "VASCO"  represent  the  consolidated  entity.
   References to "VASCO NA" represent VASCO Corp. and VDS, excluding the
   acquisition of  Lintel Security  and Digipass.  References to  "VASCO
   Europe" mean the operations of Lintel Security and Digipass following
   their acquisition  by  VASCO.  (Percentages  in  the  discussion  are
   rounded to the closest full percentage point.)

   1998 COMPARED TO 1997

   The following discussion and analysis  should be read in  conjunction
   with VASCO's Consolidated  Financial Statements for  the years  ended
   December 31, 1998 and 1997.
<PAGE>
   Revenues

        VASCO's consolidated revenues  for the year  ended December  31,
   1998 were $15,016,000, an increase of $2,714,000, or 22%, as compared
   to the  year  ended December  31,  1997.   VASCO  Europe  contributed
   $12,230,000 or  81% of  total consolidated  revenues, with  VASCO  NA
   contributing the remaining $2,786,000 or 19%.   This increase is  due
   to a strong performance from international operations, as the  demand
   for Digipass 300  and Digipass 500  continues to  grow, resulting  in
   increased unit  sales,  as well  as  increasing orders  with  smaller
   quantities, resulting in  less volume  discounting on  revenues.   In
   addition, favorable currency exchange rates benefited the Company.

   Cost of Goods Sold

        VASCO's consolidated  cost  of goods  sold  for the  year  ended
   December 31, 1998 was $6,949,000, an increase of $662,000, or 11%, as
   compared to the year ended December 31, 1997.  VASCO Europe's cost of
   goods sold was $5,550,000 or 80% of total consolidated cost of  goods
   sold and VASCO NA was $1,399,000 or 20%.  This increase is consistent
   with the increase in revenues for the year.  The Company continues to
   benefit from efficiencies  in the manufacturing  process, as well  as
   the increasing  demand  for  products  with  a  more  favorable  cost
   structure.

   Gross Profit

        VASCO's consolidated gross  profit for the  year ended  December
   31, 1998 was $8,067,000, an increase of  $2,051,000, or 34%, over the
   year ended December 31, 1997.  This represents a gross margin of 54%,
   as compared to 1997's consolidated gross margin of 49%.  The increase
   in gross margin is  due to efficiencies  in manufacturing related  to
   increasing volumes, an increase in the mix of higher margin products,
   as well as  increasing orders with  smaller quantities, resulting  in
   less volume discounting on revenues.

   Sales and Marketing Expenses

        Consolidated sales  and marketing  expenses for  the year  ended
   December 31, 1998 were $4,368,000, an  increase of $987,000, or  29%,
   over 1997.    This increase  can  be attributed  to  increased  sales
   efforts including, in part, increased travel costs, headcount, and an
   increase in marketing activities,  including the development the  new
   VASCO logo, Internet web page and other efforts.

   Research and Development Expenses

        Consolidated R&D costs for the year ended December 31, 1998 were
   $1,788,000, a decrease  of $14,000, or  1%, as compared  to the  year
   ended December 31, 1997.  This  decrease can be attributed to  higher
   spending in 1997 related to the acquisition/development of the VACMan
   product line, as  well as  a reduction  in employees  as compared  to
   1997, with increased use of temporary employees in 1998.
<PAGE>
   General and Administrative Expenses

        Consolidated general and  administrative expenses  for the  year
   ended December 31, 1998 were $3,120,000, a decrease of $1,648,000, or
   34%, over 1997.  This decrease can be attributed to the fact that the
   Company was  preparing  for  the Exchange  Offer  during  1997,  thus
   generating significant legal, accounting  and printing expenses;  the
   Exchange Offer  was  completed  during  March  1998.    In  addition,
   economies of scale began  to be realized during  1997 as a result  of
   the combination of the operations of  Lintel Security and VASCO  Data
   Security.  The Company also had a favorable experience with regard to
   bad debt recovery and  a reduction of  certain legal fees  associated
   with the Exchange Offer, which was recorded during 1998.

   Operating Loss

        VASCO's consolidated operating loss for the year ended  December
   31, 1998 was $1,210,000, compared to the consolidated operating  loss
   of $3,935,000 for  1997, a decrease  of $2,725,000, or  69%.  Of  the
   1998 loss, VASCO NA  contributed a loss in  the amount of  $2,163,000
   and VASCO Europe contributed income in the amount of $953,000.

   Interest Expense

        Consolidated interest expense in 1998 was $1,458,000 compared to
   $1,148,000 in  1997.   The  increase  can be  attributed  to  average
   borrowings in 1998 being higher than those of the previous year.  See
   "Liquidity and Capital Resources" below.

   Income Taxes

        VASCO recorded tax expense for the year ended December 31,  1998
   of $687,000, which consisted of a tax benefit of $2,500 for VASCO  NA
   and tax expense of $689,500 for VASCO Europe.

        At  December  31,  1998,  the  Company  has  United  States  net
   operating loss carryforwards approximating $7,434,000 and foreign net
   operating loss carryforwards approximating  $1,092,000.  Such  losses
   are available to offset future taxable income at VASCO Data  Security
   International, Inc. and  its U.S.  subsidiary and  expire in  varying
   amounts beginning in 2002 and continuing through 2018.  In  addition,
   if certain  substantial changes  in  the Company's  ownership  should
   occur, there  would be  an annual  limitation on  the amount  of  the
   carryforwards which could be utilized.

   Dividends and Accumulated Deficit

        VASCO paid dividends of  $0 and $82,000  during the years  ended
   December 31, 1998 and 1997, respectively. The 1997 dividend  payments
   were attributable to 9,000 shares of  VASCO Series B Preferred  Stock
   issued in  1994. During  1997, all  9,000 shares  of VASCO  Series  B
   Preferred   Stock   were   converted   into   VASCO   Data   Security
   International, Inc. Common Stock.

        VASCO began 1998 with an accumulated deficit of $15,902,000.  As
   a result  of  the  1998  net loss,  this  deficit  has  increased  to
   $19,550,000.

<PAGE>
   1997 COMPARED TO 1996

   The following discussion and analysis  should be read in  conjunction
   with VASCO's Consolidated  Financial Statements for  the years  ended
   December 31, 1997 and 1996.

   Revenues

        VASCO's consolidated revenues  for the year  ended December  31,
   1997 were $12,302,000, an increase of $2,110,000, or 21%, as compared
   to the  year  ended  December  31,  1996.  VASCO  Europe  contributed
   $9,518,000, or 77%,  of total  consolidated revenues,  with VASCO  NA
   contributing the remaining  $2,784,000, or 23%.  Revenues (and  other
   operating results) attributable to VASCO Europe for 1996 are included
   only from the time of acquisition of Lintel Security and of Digipass.
   The increase in revenues can be attributed to the full-year effect of
   the acquisitions, as compared  to a partial  year in 1996,  partially
   offset by  a  temporary  reduction  in  shipments  to  Concord-Eracom
   Nederland BV  during 1997.  Concord-Eracom Nederland  BV  represented
   approximately  $4,200,000  in  revenue  for  1996,  as  compared   to
   $2,000,000 in  1997.   VPS, the  former technical  and training  unit
   which was sold in  August of 1996, had  revenues of $204,000 in  1996
   and accounted for 4% of VASCO's revenues in 1996.

   Cost of Goods Sold

        VASCO's consolidated  cost  of goods  sold  for the  year  ended
   December 31, 1997 was $6,287,000, an increase of $416,000, or 7%,  as
   compared to the year ended December 31, 1996. VASCO Europe's cost  of
   goods sold was  $4,929,000, accounting  for 78%  of the  consolidated
   cost of goods sold.   The overall increase in  cost of goods sold  is
   primarily attributable  to  the inclusion  of  VASCO Europe  for  the
   entire year  1997.   However, the  cost of  goods sold  for  security
   products as a percent of revenue decreased at a slightly quicker pace
   than  revenues  for  security  products.  This  is  due  to   certain
   improvements in the manufacture of the products, as well as economies
   of scale being realized as the  1996 acquisitions of Lintel  Security
   and Digipass were fully integrated.

   Gross Profit

        VASCO's consolidated gross  profit for the  year ended  December
   31, 1997  was $6,015,000,  an increase  of $1,694,000,  or 39%,  over
   1996. This represents a consolidated gross margin of 49%, as compared
   to 1996's consolidated gross  margin of 42%.   The increase in  gross
   margin is  due to  certain improvements  in  the manufacture  of  the
   products, as well as  economies of scale being  realized as the  1996
   acquisitions of Lintel Security and Digipass were fully integrated.

   Sales and Marketing Expenses

        Consolidated sales  and marketing  expenses for  the year  ended
   December 31,  1997 were  $3,381,000, an  increase of  $1,976,000,  or
   141%, over 1996. The  increase can be attributed  to the addition  of
   VASCO  Europe  for  the  full  year  1997;  increased  sales  efforts
   including, in part, increased travel costs; an increase in  marketing
   activities, including print media campaigns and other efforts, and an
   increased presence at trade shows.
<PAGE>
   Research and Development Expenses

        Consolidated R&D costs for the year ended December 31, 1997 were
   $1,802,000, an increase of  $1,228,000, or 214%,  as compared to  the
   year  ended  December  31,  1996.   R&D  costs  represented  15%   of
   consolidated revenues  for  1997 as  compared  to 6%  for  1996.  The
   increase is due to  the addition of R&D  headcount, both in the  U.S.
   and Europe, and to the acquisition  of the VACMan product from  Shiva
   Corporation and the related integration efforts surrounding it.   R&D
   efforts are undertaken by both VASCO NA and VASCO Europe on behalf of
   the consolidated group  of companies. Whereas  VASCO NA is  primarily
   responsible for the development of software products, VASCO Europe is
   responsible for hardware development. Consequently, management of the
   Company believes it is not meaningful to address R&D costs separately
   at the operating company level.

        VASCO expensed, as cost of goods  sold, $0 and $180,000 in  1997
   and 1996, respectively,  reflecting the  amortization of  capitalized
   development costs. As of  December 31, 1997 and  1996, VASCO did  not
   carry any product development costs on  its books as an asset.  There
   were no product development costs capitalized in 1997 or 1996.

   General and Administrative Expenses

        Consolidated general and  administrative expenses  for the  year
   ended December 31, 1997 were  $4,768,000, an increase of  $1,120,000,
   or 31%, over 1996. The majority of this increase can be attributed to
   the  legal,  accounting  and  printing  costs  associated  with   the
   preparation of  the Exchange  Offer held  by the  Company during  the
   first quarter  of 1998.  In addition,  the  full-year impact  of  the
   Lintel Security  and Digipass  acquisitions and  the amortization  of
   intangibles associated with those acquisitions increased general  and
   administrative expenses in 1997.

   Acquired In-process Research and Development

        During 1996,  VASCO expensed  $7,351,000 pertaining  to the  in-
   process research and development acquired in the Lintel Security  and
   Digipass   acquisitions.   Based    upon   independent    appraisals,
   approximately 67% of  the acquisition  premium has  been expensed  in
   accordance with U.S. Generally Accepted Accounting Principles. As  of
   December  31,  1997,  there  remains  a  net  balance  of  $2,314,000
   representing the intangible assets related to the acquisitions, which
   are carried on VASCO's books and  amortized over an additional  18-66
   months. Amortization expenses amounted to $1,083,000 and $440,000 for
   the years ended December 31, 1997 and 1996, respectively.

   Operating Loss

        VASCO's consolidated operating loss for the year ended  December
   31, 1997 was $3,935,000, compared to the consolidated operating  loss
   of $8,658,000 for 1996. Of the 1997 loss, VASCO NA contributed a loss
   in the amount of  $4,130,000 and VASCO  Europe contributed income  in
   the amount of $195,000. The 1996 consolidated operating loss included
   a write-off of  acquired in-process research  and development in  the
   amount of $7,351,000 and $440,000 of amortization expense relating to
   intangible assets in 1996. The 1996 operating loss, before the write-
   off and the amortization, was $867,000.
<PAGE>
        VASCO's 1997  operating  loss,  excluding  the  amortization  of
   intangibles,  was  attributable  to   continued  investment  in   R&D
   (primarily for  Digipass 300),  sales  and marketing  investments  in
   North  America,   the   expenses   for   development   of   corporate
   infrastructure, such as sales personnel and administrative staff, and
   the  legal,  accounting  and  printing  costs  incurred  during  1997
   associated with the  preparation of the  Exchange Offer  held by  the
   Company during the first quarter of 1998.

   Interest Expense

        Consolidated interest expense in 1997 was $1,148,000 compared to
   $346,000  in  1996.  The  increase  can  be  attributed  to   average
   borrowings in  1997 being  substantially above  those levels  of  the
   previous year. See "Liquidity and Capital Resources" below.

   Income Taxes

        VASCO recorded tax expense for the year ended December 31,  1997
   of $200,000  for VASCO  NA and  $407,000 for  VASCO Europe.  The  tax
   expense recorded for VASCO NA represents the revaluation (write-down)
   of deferred tax assets.  As of December 31,  1997, VASCO reflected  a
   net deferred tax asset of $83,000, which represented the amount  that
   management deemed would  more likely than  not be  realized. The  net
   deferred tax  asset was  net of  a valuation  allowance of  $831,000,
   which  was  established  during   1996  and  adjusted  during   1997,
   considering  the  effects  of  reversing  deferred  tax  liabilities,
   projected future  earnings, which  were  revised substantially  as  a
   result of the acquisitions of Lintel  Security and Digipass, and  tax
   planning strategies.

   Dividends and Accumulated Deficit

        VASCO paid dividends  of $82,000 and  $108,000 during the  years
   ended December  31,  1997 and  1996,  respectively.   These  dividend
   payments  were  attributable  to  9,000  shares  of  VASCO  Series  B
   Preferred Stock  issued in  1994. During  1997, all  9,000 shares  of
   VASCO Series  B  Preferred  Stock  were  converted  into  VASCO  Data
   Security International, Inc. Common Stock.  VASCO began 1997 with  an
   accumulated deficit of $9,903,000. As a result of the 1997 net  loss,
   this deficit has increased to $15,902,000.


   RECENT DEVELOPMENTS

        On April 6, 1999, Security Dynamics Technologies, Inc., RSA Data
   Security, Inc., the Company and  VASCO Data Security, Inc.  announced
   the settlement on confidential terms of  the claims that each of  the
   companies had raised in litigation filed last year.

        In April  1999, the  Company completed  a private  placement  of
   Common Stock  in the  amount  of $11.5  million.     The  transaction
   represented  a  sale  of  the  Company's  Common  Stock  to  European
   institutional investors at a  price of $3.50 per  share.  A total  of
   3,285,714 shares  of Common  Stock  were issued  as  a part  of  this
   transaction.

<PAGE>
   LIQUIDITY AND CAPITAL RESOURCES

        Since inception,  VASCO has  financed its  operations through  a
   combination of the issuance of equity securities, private borrowings,
   short-term commercial  borrowings,  cash flow  from  operations,  and
   loans from Mr. T. Kendall Hunt,  VASCO's Chief Executive Officer  and
   one  of  the  stockholders   of  the  Company's  original   corporate
   predecessor.

        In 1995, VASCO borrowed $130,000 from  Mr. Hunt, resulting in  a
   total loan payable balance of $190,000 at the end of 1995. This  loan
   was repaid in  1996 from the  proceeds of  private placements  during
   1996.

        During the second quarter of 1996, VASCO placed additional units
   consisting of  666,666 shares  of VASCO    common stock  and  137,777
   warrants, each of which entitled the holder to purchase one share  of
   VASCO common  stock at  $4.50. The  private placement  of shares  and
   warrants generated gross proceeds of $3,000,000. In addition, in  the
   same transaction, VASCO issued a  $5,000,000 convertible note due  on
   May 28, 2001. The note bears interest at 9%, with interest payable to
   the holder on a quarterly basis. The holder may, at its option, elect
   to receive interest payments in cash or Common Stock. In  calculating
   the shares  of  VASCO common  stock  to be  issued  in lieu  of  cash
   interest, the average closing price for shares of VASCO common  stock
   for the previous 20 trading days is used. In the event VASCO receives
   funds equal to or greater than $30,000,000 from a public offering  of
   its Common Stock, the  holder of this note  has the right to  require
   VASCO to pay all amounts due and owing under the note within 30  days
   of receipt by  VASCO of notice  from the holder  of exercise of  this
   right. Total issue fees and costs  of $170,000 related to the  equity
   portion of this transaction have  been netted against the  $3,000,000
   of proceeds from  the equity private  placement. In addition,  55,555
   shares of VASCO common stock and 8,889 VASCO Warrants, each of  which
   entitles the holder to  purchase one share of  VASCO common stock  at
   $4.50, were issued  as commissions  related to  the placement.  These
   warrants were  exchanged  pursuant  to the  Exchange  Offer  and  now
   represent warrants for the Company's Common Stock.

        The proceeds from the  $8,000,000 private placement  ($3,000,000
   equity and $5,000,000 debt) were used  to make the first  installment
   of $4,800,000  toward  the  Digipass purchase,  to  satisfy  one-time
   expenses related to the Lintel Security and Digipass acquisitions, to
   retire VASCO's debt to its commercial lender and to Mr. Hunt, and  to
   fund working capital requirements in general.

        In 1996, VASCO raised additional funds in a private placement of
   units consisting of 237,060 shares of  VASCO common stock and  35,329
   VASCO Warrants, each  of which entitles  the holder  to purchase  one
   share of VASCO common stock at  $4.50. Total issue fees and costs  of
   $47,885 were netted against the $1,066,770 in total proceeds from the
   placement in VASCO's financial statements. In addition, 16,489 shares
   of VASCO  common stock  were issued  as  commissions related  to  the
   placement. These  warrants were  exchanged pursuant  to the  Exchange
   Offer and now represent warrants for the Company's Common Stock.
<PAGE>
        Effective in June  1997, VASCO  established a  bridge loan  with
   Generale  Bank  in  the  amount  of  $2,500,000,  evidenced  by  five
   convertible notes in the amount of $500,000 each. Upon completion  of
   the Exchange Offer, the Company became obligated for all  obligations
   under the loan and the notes. These notes bear interest at a rate  of
   3.25%, payable quarterly, and matured on September 30, 1998, at which
   time 116% of the principal amount  was repaid from the proceeds of  a
   short-term borrowing facility secured by  the Company with KBC  Bank.
   The KBC Bank  facility represents a  three-month revolver,  renewable
   for additional three-month terms, with a corresponding interest  rate
   of 6.48%.    This facility  is  anticipated  to be  repaid  from  the
   proceeds of a private placement that the Company expects to  complete
   during the second quarter of 1999.

        The net effect of 1997 activity resulted in an increase in  cash
   of $84,000, resulting in a cash balance of $1,898,000 at December 31,
   1997, compared  to $1,814,000  at the  end of  1996. VASCO's  working
   capital  at  December  31,  1997   was  ($555,000),  a  decrease   of
   $5,457,000, or 111%, from $4,902,000 at the end of 1996. The majority
   of the change  is attributable  to a  decrease in  all current  asset
   categories with  the  exception  of cash,  with  current  liabilities
   remaining consistent from  year to  year. VASCO's  current ratio  was
   0.91 to 1.00 at December  31, 1997, compared to  2.32 to 1.00 at  the
   end of 1996.

        VDSE entered  into  a  convertible loan  agreement  with  Banque
   Paribas Belgique S.A.  effective August 1997,  in order to  refinance
   the $3.4 million  payment due December  31, 1997  in connection  with
   VASCO's acquisition of Digipass. The  terms of the agreement  provide
   that the $3.4 million principal amount is convertible, at the  option
   of the lender, into shares of  the Company's Common Stock. This  loan
   bears interest at the rate of 3.25%, payable annually, and matures on
   September 30,  2002.  The  loan is  convertible,  commencing  on  the
   earlier of January 1, 1999  or the date of  a public offering of  the
   Company's shares  on  the EASDAQ  and/or  NASDAQ and  terminating  on
   August 31, 2002, at a conversion price equal to the per share  public
   offering price,  provided,  however, that  if  no such  offering  has
   occurred prior to January  1, 1999, and the  loan is converted  after
   such date but prior to a public offering, the conversion price is the
   average closing market price for shares of the Company's Common Stock
   on the NASD Electronic Bulletin Board system for the 20 trading  days
   prior to the date of the notice of conversion, less 10%. In the event
   a public offering  is completed,  the lender  may at  its option  (by
   written notice  within seven  days after  receipt by  the Company  of
   proceeds of the public offering) require the principal amount of  the
   loan to be repaid in cash, in which case additional special  interest
   is payable as follows: $680,000 if repayment is on January 1, 1999 or
   later. As part of  this transaction, Mr. Hunt  entered into a  pledge
   agreement with  Banque Paribas  Belgique S.A.  pursuant to  which  he
   pledged, as collateral  for the VDSE  convertible note, 1,416,666  of
   his shares of common stock of the Company, which number of shares  is
   subject to adjustment based on the market value of the shares.
<PAGE>
        On March 31, 1998, the Company entered into a loan agreement
   with Lernout & Hauspie Speech Products N.V. ("L&H") in the amount of
   $3 million, bearing interest at 9.5%, payable quarterly, with an
   original maturity of January 4, 1999. The maturity of this note has
   been extended to coincide with a private placement of the Company's
   equity which is currently underway.  This loan is convertible at the
   option of the holder into shares of the Company's common stock based
   upon the average closing price of VASCO Data Security International,
   Inc.'s common stock for the 10 trading days prior to March 11, 1998,
   the date the Exchange Offer closed.

        The net effect of 1998 activity  resulted in a decrease in  cash
   of $375,000, resulting in  a cash balance  of $1,523,000 at  December
   31, 1998, compared to $1,898,000 at the end of 1997. VASCO's  working
   capital  at  December  31,  1998  was  ($3,086,000),  a  decrease  of
   $2,531,000, or 456%, from ($555,000) at the end of 1997. The majority
   of the change is  attributable to a 26%  increase in current  assets,
   with current liabilities  increasing 64%, mainly  due to the  current
   maturities of long-term debt. VASCO's current ratio was -0.70 to 1.00
   at December 31, 1998, compared to -0.91 to 1.00 at the end of 1997.

        In April  1999, the  Company completed  a private  placement  of
   Common  Stock  in  the  amount  of  $11.5  million.  The  transaction
   represented  a  sale  of  the  Company's  Common  Stock  to  European
   institutional investors at a  price of $3.50 per  share.  A total  of
   3,285,714 shares  of Common  Stock  were issued  as  a part  of  this
   transaction.  The Company believes that its current cash balances and
   anticipated cash generated from operations will be sufficient to meet
   its anticipated  cash needs  through June  2000. Continuance  of  the
   Company's operations beyond  June 2000, however,  will depend on  the
   Company's ability  to  obtain  adequate financing.  The  Company  has
   entered into engagement  letters with Artesia  Bank and Bank  DeGroof
   for a possible future public offering.

        The Company intends to seek acquisitions of businesses, products
   and technologies that are complementary or  additive to those of  the
   Company.  There can be no assurance that any such acquisition will be
   made.

   Year 2000 Considerations

        Many existing computer systems and software products are coded
   to accept only two digits entries in the date code field with respect
   to year.  With the year 2000 less than one year away, the date code
   field in these systems and products must be adjusted to allow for a
   four digit year or otherwise modified so that they recognize "00" to
   indicate the year 2000 rather than the year 1900.  Based upon its
   current assessments, which are based in part on certain
   representations of third party service and product providers, the
   Company does not expect that it will experience a significant
   disruption of its operations as a result of the Year 2000.
<PAGE>
        The Company plans to continue to identify, assess and to resolve
   all material Year 2000 issues by the end of 1999. The Company is
   developing contingency plans to address significant internal and
   external Year 2000 issues as they are identified. These contingency
   plans are expected to be complete by the end of 1999. Even with the
   effort to address the Year 2000 issue made by the Company to date,
   there can be no assurance that the systems of other entities on which
   the Company relies, including the Company's internal systems and
   proprietary software, will be remediated in a timely fashion, or that
   a failure to remediate by another entity and/or the Company, would
   not have a material effect on the Company's results of operations.

        The Company has incurred approximately $150,000 to date in
   addressing Year 2000 issues, and believes that no additional material
   expenses will be incurred related to the Year 2000 issue. The Company
   has completed its assessment of products and mission critical systems
   for Year 2000 readiness and believes no material expenses will be
   incurred in the future.

        Additionally, the Company believes that the purchasing  patterns
   of customers and  potential customers may  be affected  by Year  2000
   issues as  companies expend  significant resources  to upgrade  their
   current software systems for  Year 2000 compliance.   This, in  turn,
   could result  in  reduced  funds  available  to  be  spent  on  other
   technology applications, such as those offered by the Company,  which
   could have a material  adverse effect on  the Company's business  and
   results of operations.


   RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS

        During 1998,  the Financial  Accounting Standards  Board  issued
   SFAS No.  133  "Accounting  for Derivative  Instruments  and  Hedging
   Activities," which will  be effective for  the Company's fiscal  year
   2000. The  Company is  currently assessing  the  impact of  this  new
   statement,  but  does   not  expect  any   material  effect  on   its
   consolidated financial position, liquidity, or results of operations.

   Item 7A - Quantitative and Qualitative Disclosures About Market Risk.

        Approximately 80% of the Company's business is conducted outside
   the United  States  in Europe  and  Asia/Pacific.   The  majority  of
   business operations  are  transacted in  foreign  currencies.   As  a
   result, the Company  has exposure to  foreign exchange  fluctuations.
   The Company  is affected  by both  foreign currency  translation  and
   transaction adjustments.  Translation  adjustments  result  from  the
   conversion of  the foreign  subsidiaries' balance  sheets and  income
   statements to U.S.  dollars at year-end  exchange rates and  weighted
   average  exchange   rates,  respectively.   Translation   adjustments
   resulting from this process are recorded directly into  stockholders'
   equity.  Transaction  adjustments   result  from  currency   exchange
   movements when a foreign subsidiary transacts business in a  currency
   that differs from its local currency. These transactions are recorded
   as gains or losses in the Company's statement of operations.
<PAGE>
        The Company's foreign exchange exposure was minimized in 1998 as
   the  majority  of  the   Company's  foreign  subsidiaries'   business
   transactions were spread across approximately 40 different  countries
   and currencies. This  geographic diversity  reduces the  risk to  the
   Company's operating  results.  Also, the  Company  performs  periodic
   reviews of outstanding balances and settles intercompany accounts  to
   minimize foreign exchange transaction gains and losses.

        The Company has  minimal interest rate  risk. The Company's  $15
   million debt is made  up of fixed rate  notes, ranging from 3.25%  to
   9.5%, which are not subject to market fluctuations. The maturities of
   these notes  range  from  1999  to  2002 (see  Note  1  of  Notes  to
   Consolidated Financial Statements related to fair value of  financial
   instruments).


   Item 8 - Financial Statements and Supplementary Data

        The information  in response  to this  item is  included in  the
   Company's consolidated financial statements, together with the report
   thereon of KPMG LLP, appearing on pages F-1 through F-18 of this Form
   10-K, and in Item  7 under the  heading "Management's Discussion  and
   Analysis of Financial Condition and Results of Operations."

   Item 9 - Changes in and Disagreements with Accountants on  Accounting
   and Financial Disclosure

        None.

                                 PART III

   Item 10 - Directors and Executive Officers of the Registrant

        The sections entitled "Election of Directors" and "Section 16(a)
   Beneficial Ownership Report  Compliance" contained  in the  Company's
   Proxy Statement for the Annual Meeting of Stockholders to be held  on
   June 15, 1999, are incorporated herein by reference.

   Item 11 - Executive Compensation

        The section entitled "Executive  Compensation" contained in  the
   Company's Proxy Statement for the  Annual Meeting of Stockholders  to
   be held on June 15, 1999, is incorporated herein by reference.

   Item 12  -  Security  Ownership  of  Certain  Beneficial  Owners  and
   Management

        The section entitled "Security  Ownership of Certain  Beneficial
   Owners and Management" contained in the Company's Proxy Statement for
   the Annual Meeting of  Stockholders to be held  on June 15, 1999,  is
   incorporated herein by reference.

   Item 13 - Certain Relationships and Related Transactions

        None.
<PAGE>

                                PART IV

   Item 14 - Exhibits, Financial Statement Schedules and Reports on Form
   8-K

   a.   (1)  The following consolidated  financial statements and  notes
   thereto, and the related  independent auditors' report, are  included
   on pages F-1 through F-18 of this Form 10-K:

        Consolidated Balance Sheets as of December 31, 1997 and 1998

        Consolidated  Statements  of  Operations  for  the  Years  Ended
            December 31, 1996, 1997 and 1998

        Consolidated Statements of  Comprehensive Income  for the  Years
            Ended December 31, 1996, 1997 and 1998

        Consolidated Statements  of Stockholders'  Equity (Deficit)  for
            the Years Ended December 31, 1996, 1997 and 1998

        Consolidated Statements  of  Cash  Flows  for  the  Years  Ended
            December 31, 1996, 1997 and 1998

        Notes to Consolidated Financial Statements

        Independent Auditors' Report


        (2)  The following financial statement  schedule of the  Company
   is included on page S-1of this Form 10-K:

          Schedule II _ Valuation and Qualifying Accounts

        All other financial statement schedules are omitted because such
   schedules are  not  required or  the  information required  has  been
   presented in the aforementioned consolidated financial statements.


         (3) The following exhibits  are filed  with this  Form 10-K  or
   incorporated by reference as set forth below:

             EXHIBIT INDEX


<PAGE>
       Exhibit
        Number  Description
       -------  -----------
          +3.1  Certificate of Incorporation of Registrant, as amended.
         ++3.2  Bylaws of Registrant, as amended and restated.
           4.1  Intentionally Omitted.
          +4.2  Specimen of Registrant's Common Stock Certificate.
           4.3  Intentionally Omitted.
          +4.4  Form of Letter of Transmittal and Release.
          +4.5  Form of Registrant's Warrant Agreement.
          +4.6  Form of Registrant's Option Agreement.
          +4.7  Form of Registrant's Convertible Note Agreement.

         +10.1  Netscape Communications Corporation OEM Software Order
                Form dated March 18, 1997 between VASCO Data Security,
                Inc. and Netscape Communications Corporation.**

         +10.2  License Agreement between VASCO Data Security, Inc. and
                SHIVA Corporation effective June 5, 1997.**

         +10.3  Heads of Agreement between VASCO Data Security
                International, Inc., VASCO Data Security Europe S.A.,
                Digiline International Luxembourg, Digiline S.A.,
                Digipass S.A., Dominique Colard and Tops S.A. dated May
                13, 1996.

         +10.4  Agreement relating to additional terms and conditions
                to the Heads of Agreement dated July 9, 1996, among the
                parties listed in Exhibit 10.3.

         +10.5  Agreement between VASCO Data Security International,
                Inc., VASCO Data Security Europe SA/NV, Mario Houthooft
                and Guy Denudt dated March 1, 1996.

         +10.6  Asset Purchase Agreement dated as of March 1996 by and
                between Lintel Security SA/NV and Lintel SA/NV, Mario
                Houthooft and Guy Denudt.

         +10.7  Management Agreement dated January 31, 1997 between
                LINK BVBA and VASCO Data Security NV/SA (concerning
                services of Mario Houthooft).

         +10.8  Sublease Agreement by and between VASCO Data Security
                International, Inc. and APL Land Transport Services,
                Inc. dated as of August 29, 1997.

         +10.9  Office Lease by and between VASCO Data Security
                International, Inc. and LaSalle National Bank, not
                personally, but as Trustee under Trust Agreement dated
                September 1, 1997, and known as Trust Number 53107,
                dated July 22, 1985.

        +10.10  Lease Agreement by and between TOPS sa and Digipass sa
                effective July 1, 1996.

        +10.11  Lease Agreement by and between Perkins Commercial
                Management Company, Inc. and VASCO Data Security, Inc.
                dated November 21, 1995.
<PAGE>
       +10.12  Asset Purchase Agreement by and between VASCO Data
               Security International, Inc. and Wizdom Systems, Inc.
               dated August 20, 1996.

       +10.13  1997 VASCO Data Security International, Inc. Stock
               Option Plan, as amended.

       +10.14  Distributor Agreement between VASCO Data Security, Inc.
               and Hucom, Inc. dated June 3, 1997.**

       +10.15  Non-Exclusive Distributor Agreement by and between
               VASCO Data Security, Inc. and Concord-Eracom Nederland
               BV dated May 1, 1994.**

       +10.16  Banque Paribas Belgique S. A. Convertible Loan
               Agreement for $3.4 million.

       +10.17  Pledge Agreement dated July 15, 1997 by and between T.
               Kendall Hunt and Banque Paribas Belgique S.A.

       +10.18  Engagement Letter between Banque Paribas S.A. and VASCO
               Data Security International, Inc. dated June 20, 1997,
               as amended.

       +10.19  Financing Agreement between Generale Bank and VASCO
               Data Security International, Inc. dated as of June 27,
               1997.

       +10.20  Letter Agreement between Generale Bank and VASCO Data
               Security International, Inc. dated June 26, 1997.

       +10.21  Form of Warrant dated June 16, 1997 (with Schedule).

       +10.22  Form of Warrant dated October 31, 1995 (with Schedule).

       +10.23  Form of Warrant dated March 7, 1997 (with Schedule).

       +10.24  Form of Warrant dated August 13, 1996 (with Schedule).

       +10.25  Form of Warrant dated June 27, 1996 (with Schedule).

       +10.26  Form of Warrant dated June 27, 1996 (with Schedule).

       +10.27  Convertible Note in the principal amount of
               $500,000.00, payable to Generale de Banque dated
               July 1, 1997 (with Schedule).

       +10.28  Agreement by and between VASCO Data Security NV/SA and
               S.I. Electronics Limited effective January 21, 1997.**

       +10.29  Agreement effective May 1, 1993 by and between Digipass
               s.a. and Digiline s.a.r.l.

       +10.30  VASCO Data Security, Inc. purchase order issued to
               National Electronic & Watch Co. LTD. **
<PAGE>
       +10.31  VASCO Data Security, Inc. purchase order issued to
               Micronix Integrated Systems.**

       +10.32  Agreement between Registrant and VASCO Data Security
               International, Inc. dated as of August 25, 1997.

       +10.33  Convertible Note dated June 1, 1996 made payable to
               Mario Houthooft in the principal amount of $373,750.00.

       +10.34  Convertible Note dated June 1, 1996 made payable to Guy
               Denudt in the principal amount of $373,750.00.

       +10.35  Osprey Partners Warrant (and Statement of Rights to
               Warrant and Form of Exercise) issued June 1, 1992.

       +10.36  Registration Rights Agreement dated as of October 19,
               1995 between certain purchasing shareholders and VASCO
               Data Security International, Inc.

       +10.37  First Amendment to Registration Rights Agreement dated
               July 1, 1996.

       +10.38  Second Amendment to Registration Rights Agreement dated
               March 7, 1997.

       +10.39  Purchase Agreement by and between VASCO Data Security
               International, Inc. and Kyoto Securities Ltd.

       +10.40  Convertible Note dated May 28, 1996 payable to Kyoto
               Securities, Ltd. in principal amount of $5 million.

       +10.41  Amendment to Purchase Agreement and Convertible Note by
               and between VASCO Data Security International, Inc. and
               Kyoto Securities, Ltd.

       +10.42  Executive Incentive Compensation Plan.

       +10.43  Letter for Credit granted by Generale de Banque to
               Digipass SA dated January 27, 1997.

      ++10.44  License Agreement dated as of March 25, 1998 by and
               between VASCO Data Security International, Inc., for
               itself and its subsidiaries, and Lernout & Hauspie
               Speech Products N.V.

      ++10.45  Loan Agreement dated as of March 31, 1998 by and
               between Lernout & Hauspie Speech Products N.V. and
               VASCO Data Security International, Inc.

      ++10.46  Convertible Note dated April 1, 1998 payable to Lernout
               & Hauspie Speech Products N.V. in the principal amount
               of $3 million.

        10.47  Amendment I dated as of December 31, 1998 to the
               License Agreement dated as of March 25, 1998 by and
               between VASCO Data Security International, Inc., for
               itself and its subsidiaries, and Lernout & Hauspie
               Speech Products N.V.
<PAGE>
           21  Subsidiaries of Registrant.

           23  Consent of KPMG LLP.

           27  Financial Data Schedule.
   __________________________
    +   Incorporated  by  reference  to  the  Registrant's  Registration
        Statement on Form S-4, as amended (Registration No.  333-35563),
        originally filed with the Securities and Exchange Commission  on
        September 12, 1997.

   ++   Incorporated by reference to  the Registrant's Annual Report  on
        Form 10-K,  originally filed  with the  Securities and  Exchange
        Commission on May 5, 1998.

   **   Confidential treatment has been granted for the omitted portions
        of this document.

        VASCO Data Security International, Inc. will furnish any of  the
   above exhibits to its stockholders upon written request addressed  to
   the Secretary at the address given on the cover page of this Form 10-
   K.  The  charge for  furnishing copies of  the exhibits  is $.25  per
   page, plus postage.

   (b)  Reports on Form 8-K

        No reports on Form 8-K have been filed by the Registrant  during
   the quarter ended December 31, 1998.
<PAGE>
                     VASCO Data Security International, Inc.
                           CONSOLIDATED BALANCE SHEETS
<TABLE>
                                                  December 31,   December 31,
                                                     1997            1998
                                                     ----            ----
   <S>                                            <C>            <C>
   ASSETS
    Current assets:
    Cash                                          $ 1,897,666    $ 1,523,075
    Accounts receivable, net of allowance for
      doubtful accounts of $429,000 and 
      $55,000 in 1997 and 1998                      2,458,451      3,376,218
    Inventories, net                                1,001,294      1,272,327
    Prepaid expenses                                   86,426        692,326
    Deferred income taxes                              83,000         83,000
    Other current assets                              221,572        277,322
                                                  -----------    -----------
         Total current assets                       5,748,409      7,224,268

   Property and equipment
    Furniture and fixtures                            488,338        580,427
    Office equipment                                  322,434        468,975
                                                  -----------    -----------
                                                      810,772      1,049,402
    Accumulated depreciation                         (497,381)      (691,806)
                                                  -----------    -----------
                                                      313,391        357,596
   Goodwill, net of accumulated amortization of    
   $198,000 and $327,000 in 1997 and 1998             704,124        575,211
   Other assets                                     1,609,901        943,821
                                                  -----------    -----------
         Total assets                             $ 8,375,825    $ 9,100,896
                                                  ===========    ===========


<PAGE>
   LIABILITIES AND STOCKHOLDERS' EQUITY
   (DEFICIT)
   Current liabilities:
    Current maturities of long-term debt          $ 3,185,400    $ 6,528,867
    Accounts payable                                1,083,965      1,144,506
    Customer deposits                                 426,914        519,585
    Other accrued expenses                          1,606,810      2,117,599
                                                  -----------    -----------
         Total current liabilities                  6,303,089     10,310,557

   Long-term debt, including stockholder note of    
      $5,000,000 in 1997 and 1998                   8,442,946      8,435,903
   Common stock subject to redemption                 494,668            -

   Stockholders' equity (deficit):
    Preferred stock, 500,000 shares authorized,                         
        none issued                                       -              -
    Common stock, $.001 par value - 75,000,000
        shares authorized; 20,132,968 shares
        issued and outstanding in 1997;
        20,805,697 shares issued and
        outstanding in 1998                            20,133         20,806
    Additional paid-in capital                      9,186,726      9,797,068
    Accumulated deficit                           (15,901,575)   (19,550,419)
    Accumulated other comprehensive income-
         cumulative translation adjustment           (170,162)        86,981
                                                  -----------    -----------
   Total stockholders' equity (deficit)            (6,864,878)    (9,645,564)
                                                  -----------    -----------

   Total liabilities and stockholders'
        equity (deficit)                          $ 8,375,825    $ 9,100,896
                                                  ===========    ===========

          See accompanying notes to consolidated financial statements.
</TABLE>
<PAGE>
                  VASCO Data Security International, Inc.
                   CONSOLIDATED STATEMENTS OF OPERATIONS

 <TABLE>
                                        For the Year Ended December 31,
                                      -----------------------------------
                                         1996          1997          1998
                                         ----          ----          ----
<S>                                  <C>          <C>           <C>
Revenue:             
 Data security products and services $ 9,988,885  $ 12,302,185  $ 15,015,927
 Training and consulting                 203,600          -             -
                                     -----------  ------------  ------------
        Total revenues                10,192,485    12,302,185    15,015,927

Cost of goods sold:
 Data security products and services   5,678,223     6,286,688     6,949,308
 Training and consulting                 193,245          -             -
                                     -----------  ------------  ------------
        Total cost of goods sold       5,871,468     6,286,688     6,949,308
                                     -----------  ------------  ------------

   Gross profit                        4,321,017     6,015,497     8,066,619
                                     -----------  ------------  ------------
Operating costs:
 Sales and marketing                   1,405,453     3,380,777     4,368,398
 Research and development                574,766     1,801,575     1,787,893
 General and administrative            3,647,760     4,768,378     3,120,307
 Acquired in-process research
      and development                  7,350,992          -             -
                                     -----------  ------------  ------------
      Total operating costs           12,978,971     9,950,730     9,276,598
                                     -----------  ------------  ------------
Operating loss                        (8,657,954)   (3,935,233)   (1,209,979)

Interest expense                        (346,248)   (1,148,183)   (1,457,627)
Other expense, net                       (42,407)     (226,423)     (294,236)
                                     -----------  ------------  ------------
Loss before income taxes              (9,046,609)   (5,309,839)   (2,961,842)
Provision for income taxes               194,000       606,579       687,002
                                     -----------  ------------  ------------
Net Loss                              (9,240,609)   (5,916,418)   (3,648,844)
      Preferred stock dividends         (108,160)      (81,900)         -
                                     -----------  ------------  ------------
Net loss available to
     common stockholders             $(9,348,769) $ (5,998,318) $ (3,648,844)
                                     ===========  ============  ============

Basic and diluted net loss per
   common share                      $     (0.53) $      (0.31) $      (0.18)
                                     ===========  ============  ============
Weighted average common shares
     outstanding                      17,533,369    19,105,684    20,430,692
                                     ===========  ============  ============

       See accompanying notes to consolidated financial statements.
</TABLE>
<PAGE>

                   VASCO Data Security International, Inc.
               CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
<TABLE>
                                         For the Year Ended December 31,
                                     ---------------------------------------
                                         1996         1997          1998
                                         ----         ----          ----
<S>                                 <C>           <C>           <C>
Net loss                            $ (9,240,609) $ (5,916,418) $ (3,648,844)

Other comprehensive income (loss) -
  cumulative translation adjustment     (105,056)      (65,106)      257,143
                                    ------------  ------------  ------------

Comprehensive loss                  $ (9,345,665) $ (5,981,524) $ (3,391,701)
                                    ============  ============  ============

      See accompanying notes to consolidated financial statements.
</TABLE>
<PAGE>

                  VASCO DATA SECURITY INTERNATIONAL, INC.
          CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)

<TABLE>

                    Series A      Series B                                                 Cum
                    Pref Stock    Pref Stock      Common Stock               Accumulated  Transl     Treasury Stock         Total
Description       Shares   Amt    Shares Amt    Shares    Amount    APIC       Deficit      Adj.    Shares     Amount      Equity
- -----------       -------  -----  -----  ---  ----------  ------  ---------  -----------  --------  -------   --------   ----------
<S>               <C>     <C>     <C>   <C>   <C>        <C>     <C>        <C>           <C>       <C>      <C>        <C>
Bal at 12/31/95   317,181 $3,172  9,000 $ 90  15,793,575 $15,794 $1,508,534 $   (554,488)       -   287,923  $  (7,109) $   965,993

Net loss              -      -      -      -         -       -          -     (9,240,609)       -       -          -     (9,240,609)
Cash div paid on
   preferred B        -      -      -      -         -       -          -       (108,000)       -       -          -       (108,000)
Dividends payable   
   on pref. A upon
   conversion         -      -      -      -         -       -          -           (160)       -       -          -           (160)
Exercise of stock
   options            -      -      -      -      24,000      24      5,215          -          -       -          -          5,239
Issuance of common
   stock              -      -      -      -   1,161,773   1,162  4,252,240          -          -       -          -      4,253,402
Issuance of common
   stock in connection
   with Lintel
   acquisition        -      -      -      -     140,651     141  3,387,769          -          -  (287,923)     7,109    3,395,019
Conversion of Series A 
   pref. stock   (200,000)(2,000)   -      -   1,333,333   1,333        667          -          -       -          -            -
Cumulative translation    
   adjustment         -      -      -      -         -       -          -            -     (105,056)    -          -       (105,056)
Common stock subject
   to redemption      -      -      -      -         -       -     (371,000)         -          -       -          -       (371,000)
                  -------  -----  -----   --  ----------  ------  ---------  -----------  --------- -------   --------   ----------
Bal at 12/31/96   117,181  1,172  9,000   90  18,453,332  18,454  8,783,425   (9,903,257)  (105,056)    -          -     (1,205,172)

Net loss              -      -      -     -          -       -          -     (5,916,418)       -       -          -     (5,916,418)
Cash div paid on 
   preferred B        -      -      -     -          -       -          -        (81,900)       -       -          -        (81,900)
Exercise of stock  
   options            -      -      -     -      189,375     189     42,281          -          -       -          -         42,470
Cancellation of common
   stock              -      -      -     -      (16,489)    (17)       -            -          -       -          -            (17)
Issuance of common 
   stock              -      -      -     -       83,714      83    418,079          -          -   (32,504)   227,528      645,690
Conversion of Series A 
   pref. stock  (117,181) (1,172)   -     -      778,383     779        391          -          -    (2,824)    19,768       19,766
Conversion of Series B
   preferred stock    -      -   (9,000) (90)    644,653     645       (555)         -          -       -          -            -
Repurchase of common 
   stock              -      -      -     -          -       -          -            -          -    35,328   (247,296)    (247,296)
Legal fees associated  
   with sale of stock -      -      -     -          -       -      (56,895)         -          -       -          -        (56,895)
Cumulative translation
   adjustment         -      -      -     -          -       -          -            -      (65,106)    -          -        (65,106)
                  -------  -----  -----   --  ----------  ------  ---------  -----------  --------- -------   --------   ----------
Bal at 12/31/97       -      -      -     -   20,132,968  20,133  9,186,726  (15,901,575)  (170,162)    -          -     (6,864,878)
<PAGE>
Net loss              -      -      -     -          -       -          -     (3,648,844)       -       -          -     (3,648,844)
Cumulative translation 
   adjustment         -      -      -     -          -       -          -            -      257,143     -          -        257,143
Exercise of stock  
   options            -      -      -     -      658,257     658    115,689          -          -       -          -        116,347 
Exercise of stock  
   warrants           -      -      -     -       14,472      15        (15)         -          -       -          -            -
Expiration of put  
   option             -      -      -     -          -        -     494,668          -          -       -          -        494,668
                  -------  -----  -----   --  ----------  ------  ---------  -----------  --------- -------   --------   ----------

Bal at 12/31/98       -   $  -      -    $-   20,805,697 $20,806 $9,797,068 $(19,550,419)   $86,981     -      $   -    $(9,645,564)
                  =======  =====  =====   ==  ==========  ======  =========  ===========  ========= =======   ========   ==========

         See accompanying notes to consolidated financial statements.
</TABLE>
<PAGE>
<TABLE>
                      VASCO DATA SECURITY INTERNATIONAL, INC.
                      CONSOLIDATED STATEMENTS OF CASH FLOWS

                                           For the Year Ended December 31,
                                        -------------------------------------
                                            1996         1997         1998
                                            ----         ----         ----
<S>                                    <C>         <C>           <C>
Cash flows from operating     
   activities:
   Net loss                            $(9,240,609) $(5,916,418) $(3,648,844)
     Adjustments to reconcile net loss
     to net cash provided by (used in)
     operating activities:
       Acquired in-process research
          and development                7,350,992          -            -
       Depreciation and amortization       728,734    1,248,807      994,483
       Interest paid in shares of                                       
          common stock                     118,750      418,196         -
       Deferred income taxes               162,000      200,000         -
       Loss on disposal of fixed assets        -            -         5,113
       Changes in current assets and
       current liabilities, net of
       acquisitions:
          Accounts receivable, net      (1,067,374)     784,167    (917,767)
          Inventories, net                 578,143    1,181,449    (271,033)
          Other current assets                              
            and prepaid expenses          (279,940)    563,867     (661,750)
          Accounts payable                 459,068    (861,679)      60,541
          Customer deposits              1,022,195    (595,281)      92,671
          Other accrued expenses        (1,728,397)    948,726      510,789
                                         ---------  -----------    ---------
   Net cash used in operations          (1,896,438) (2,028,166)  (3,835,797)
                                         ---------  -----------    ---------
Cash flows from investing activities:
   Acquisition of Lintel/Digipass       (4,461,144)        -            -
   Additions to property and                                      
      equipment                           (283,142)    (127,646)   (248,708)
                                         ---------  -----------    ---------
   Net cash used in investing                                      
      activities                        (4,744,286)    (127,646)   (248,708)
                                         ---------  -----------    ---------
Cash flows from financing activities:
   Series B preferred stock dividends     (108,000)     (81,900)        -
   Net proceeds from issuance of                                       
      common stock                       4,133,605      (56,895)        -
   Proceeds from exercise of
      stock options                          5,238       42,470     116,347
   Repurchase of common stock                  -       (247,261)        -
   Proceeds from issuance of debt        4,986,096    2,716,141   6,236,424
   Repayment of debt                    (1,202,178)     (67,564) (2,900,000)
                                         ---------  -----------   ----------
   Net cash provided by financing                                    
      activities                         7,814,761    2,304,991   3,452,771
                                         ---------  -----------   ----------
<PAGE>
Effect of exchange rate changes on
   cash                                   (105,056)     (65,106)    257,143
                                         ---------  -----------   ----------
Net increase (decrease) in cash          1,068,981       84,073    (374,591)
Cash, beginning of year                    744,612    1,813,593   1,897,666
                                         ---------  -----------   ----------
Cash, end of year                      $ 1,813,593  $ 1,897,666 $ 1,523,075
                                         =========  ===========   ==========

Supplemental disclosure of cash
   flow information:
   Interest paid                       $    51,929  $    53,865 $   878,892
   Income taxes paid                   $   120,319  $   415,480 $   709,661

Supplemental disclosure of noncash
   investing and financing activities:
   Fair value of assets acquired from   
      Lintel/Digipass                   12,003,644
   Cash paid                            (4,461,144)

   Notes payable, common stock and      
      warrants issued                    7,542,500

   Common stock issued upon          
   conversion of Series A pref stock   $     2,000  $     1,172 $      -
                                       ===========  =========== ===========

   Common stock issued upon
   conversion of Series B pref stock   $       -    $     90    $      -
                                       ===========  =========== ===========

          See accompanying notes to consolidated financial statements.
</TABLE>
<PAGE>

   Note 1 - Summary of Significant Accounting Policies

   Nature of Operations

        VASCO Data  Security International,  Inc. and  its wholly  owned
   subsidiaries, VASCO  Data Security,  Inc.,  and VASCO  Data  Security
   NV/SA (the Company),  offer a variety  of computer security  products
   and services.   The Company's patented  and proprietary hardware  and
   software products provide computer security, Advanced  Authentication
   Technology  and  RSA/DES   encryption  for  financial   institutions,
   industry and government.   The primary market  for these products  is
   Europe.

   Use of Estimates

        The preparation  of  financial  statements  in  conformity  with
   generally accepted accounting principles requires management to  make
   estimates and assumptions that affect the reported amounts of  assets
   and liabilities and disclosure  of contingent assets and  liabilities
   at the date of the financial  statements and the reported amounts  of
   revenues and expenses  during the reporting  period.  Actual  results
   could differ from those estimates.

   Principles of Consolidation

        The consolidated financial  statements include  the accounts  of
   VASCO  Data  Security  International,  Inc.  and  its  wholly   owned
   subsidiaries.  All significant intercompany accounts and transactions
   have been eliminated in consolidation.

   Revenue Recognition

        Revenues  from  the  sale  of  computer  security  hardware  and
   imbedded  software  are  recorded   upon  shipment.  No   significant
   obligations exist  with regard  to  delivery or  customer  acceptance
   following shipment.

   Property and Equipment

        Property and  equipment are  stated at  cost.   Depreciation  is
   computed using  the straight-line  method over  the estimated  useful
   lives of  the  related assets  ranging  from three  to  seven  years.
   Additions and improvements  are capitalized,  while expenditures  for
   maintenance and repairs are charged to  operations as incurred.   The
   cost and accumulated  depreciation of  property sold  or retired  are
   removed from  the  respective accounts  and  the resultant  gains  or
   losses, if any, are included in current operations.
<PAGE>
   Software Costs

        The Company capitalizes software development costs in accordance
   with Statement  of  Financial  Accounting Standards  (SFAS)  No.  86.
   Research  and  development  costs,  prior  to  the  establishment  of
   technological feasibility, determined  based upon the  creation of  a
   working model, are expensed as incurred.  The Company's policy is  to
   amortize capitalized  costs by  the greater  of  (a) the  ratio  that
   current gross revenues for a product bear to the total of current and
   anticipated future  gross  revenues  for  that  product  or  (b)  the
   straight-line method over  the remaining estimated  economic life  of
   the product, generally two to five years, including the period  being
   reported on.    Unamortized capitalized  costs  determined to  be  in
   excess of the net realizable value  of a product are expensed at  the
   date of such determination.

        The Company expensed $180,275, $0 and $0 in 1996, 1997 and 1998,
   respectively, for the amortization of capitalized software costs.

   Income Taxes

        Income taxes are  accounted for  under the  asset and  liability
   method.  Deferred tax assets and  liabilities are recognized for  the
   future tax  consequences  attributable  to  differences  between  the
   financial  statement  carrying   amounts  of   existing  assets   and
   liabilities and their respective tax bases and operating loss and tax
   credit carryforwards.    Deferred  tax  assets  and  liabilities  are
   measured using enacted tax rates expected to apply to taxable  income
   in the years in which those temporary differences are expected to  be
   recovered or  settled.    The  effect  on  deferred  tax  assets  and
   liabilities of a change in tax  rates is recognized in income in  the
   period that includes the enactment date.

   Fair Value of Financial Instruments and Long-Lived Assets

        The  following  disclosures  of  the  estimated  fair  value  of
   financial instrument are made in accordance with the requirements  of
   SFAS No. 107, "Disclosures and Fair Value of Financial  Instruments."
   The estimated fair value amounts have been determined by the  Company
   using  available   market  information   and  appropriate   valuation
   methodologies.    The   fair  values  of   the  Company's   financial
   instruments were not materially different from their carrying amounts
   at December 31, 1997 and 1998, except for notes payable and long-term
   debt, for which the fair value is not determinable.

        On  January  1,  1996,  the   Company  adopted  SFAS  No.   121,
   "Accounting for the  Impairment of  Long-Lived Assets  and for  Long-
   Lived Assets to be Disposed Of," under which the Company has reviewed
   long-lived assets and certain intangible assets and determined, based
   on estimated undiscounted cash flows,  that their carrying values  as
   of December 31, 1998 are recoverable in future periods.
<PAGE>
   Stock-Based Compensation

        On  January  1,  1996,  the   Company  adopted  SFAS  No.   123,
   "Accounting for Stock-Based Compensation," which permits entities  to
   recognize the compensation expense associated with the fair value  of
   all stock-based awards on the date of grant.  Alternatively, SFAS No.
   123 allows entities to continue to apply the provisions of Accounting
   Principles Board (APB) Opinion No.  25, "Accounting for Stock  Issued
   to Employees," and provide pro forma disclosures as if the fair value
   method defined in  SFAS No. 123  had been applied.   The Company  has
   elected to apply the provisions of APB Opinion No. 25 and provide the
   pro forma disclosures required by SFAS No. 123.

   Foreign Currency Translation and Transactions

        The  financial  position  and  results  of  operations  of   the
   Company's foreign subsidiaries are measured using the local  currency
   as the functional currency.  Accordingly, assets and liabilities  are
   translated into U.S. dollars using current  exchange rates as of  the
   balance sheet date.  Revenues and expenses are translated at  average
   exchange rates prevailing during  the year.  Translation  adjustments
   arising from differences in exchange rates are included as a separate
   component of stockholders' equity.   Gains and losses resulting  from
   foreign  currency  transactions  are  included  in  the  consolidated
   statements of operations.

   Goodwill

        Goodwill is amortized on a straight-line basis over the expected
   period to be  benefited, which is  seven years.   Adjustments to  the
   carrying value of  goodwill are made  if the sum  of expected  future
   undiscounted net cash flows from the  business acquired is less  than
   the book value of goodwill.

   Loss Per Common Share

        Basic earnings per share is based on the weighted average number
   of shares outstanding and excludes the dilutive effect of unexercised
   common stock equivalents.  Diluted earnings per share is based on the
   weighted average  number  of  shares  outstanding  and  includes  the
   dilutive effect of unexercised common stock equivalents.  Because the
   Company reported a net  loss for the years  ended December 31,  1996,
   1997 and 1998, per share amounts for basic and diluted are the  same,
   and, therefore, have been presented under the basic method only.
<PAGE>
        Had the  Company  reported  net earnings  for  the  years  ended
   December 31,  1996, 1997  and 1998,  the weighted  average number  of
   shares outstanding  would  have  potentially been  increased  by  the
   following common equivalent securities  (not assuming the effects  of
   applying the treasury  stock method to  outstanding stock options  or
   the if-converted method to convertible securities):
<TABLE>
                                        1996        1997       1998
                                        ----        ----       ----
   <S>                               <C>         <C>        <C>
   Stock options................     1,661,632   1,945,257  1,475,500
   Warrants ....................       928,578   1,056,922  1,004,034
   Convertible notes (June 1996)       518,595     518,595    416,667
   Convertible notes (July 1997)*          -       657,895        -
   Convertible notes (August 1997)*        -       893,632  1,123,387
   Convertible notes (March 1998)          -           -      528,048
                                     ---------   ---------  ---------
                                     3,108,805   5,072,301  4,547,636
                                     =========   =========  =========
</TABLE>
   * Due to  the contingent nature  of the conversion  feature of  these
   notes, a 20-day average market price was used to calculate the number
   of potentially dilutive shares.


        Additionally, net earnings applicable to common stockholders for
   the years ended  December 31,  1996, 1997  and 1998  would have  been
   increased by adding back interest expense related to the  convertible
   notes of $265,450, $980,250 and $1,394,475, respectively.

   Note 2 - Acquisitions

        Effective March 1, 1996, the Company acquired a 15% interest  in
   Lintel NV  (Lintel).   On  June 1,  1996,  the Company  acquired  the
   remaining 85% of Lintel.  Lintel, located in Brussels, Belgium, was a
   developer of security technologies  for personal computers,  computer
   networks  and   telecommunications   systems,   using   cryptographic
   algorithms such as DES and RSA.   The results of Lintel's  operations
   are included in  the Company's consolidated  statement of  operations
   from March 1, 1996  with minority interest  being reflected in  other
   expense in the  consolidated statement  of operation  for the  period
   from March  1,  1996  to  June  1, 1996.    The  purchase  price  was
   $4,432,000,  consisting  of   $289,482  in  cash,   $747,500  in   8%
   convertible notes payable due May 30, 1998 and convertible to  common
   stock at a rate of $7.00  per share, 428,574 shares of the  Company's
   common stock valued at $7.00 per share, and 100,000 purchase warrants
   for the Company's  common stock  at an  exercise price  of $7.00  per
   share.  The warrants were recorded at their fair value on the date of
   grant.

        The acquisition of Lintel was accounted  for as a purchase  and,
   accordingly,  the  acquired  assets  have  been  recorded  at   their
   estimated fair values at the date  of the acquisition.  Acquired  in-
   process research  and development  in the  amount of  $2,900,000  was
   expensed during 1996 in conjunction with the acquisition, based  upon
   an independent  third-party  valuation.   Goodwill  related  to  this
   transaction was $387,000, which is being  amortized over a period  of
   seven years.
<PAGE>
        Effective July  1,  1996,  the Company  acquired  Digipass  s.a.
   (Digipass).   Digipass,  located  in  Belgium,  was  a  developer  of
   security technologies for personal  computers, computer networks  and
   telecommunications systems  using  the DES  cryptographic  algorithm.
   Prior to the  Company's acquisition of  Digipass, the  assets of  the
   interactive  voice  response  (IVR)  business  of  Digiline  SA  were
   transferred to Digipass.  Digipass'  IVR products are used  primarily
   in telebanking  applications  and  in  corporate  authentication  and
   access control technology.  The  purchase price was $8,200,000,  with
   $4,800,000 being paid at the effective  date of acquisition, and  the
   balance of $3,400,000 in the form of a note, which was paid in August
   1997.

        The acquisition of Digipass was accounted for as a purchase and,
   accordingly, the acquired assets  and liabilities have been  recorded
   at their  estimated  fair values  at  the date  of  the  acquisition.
   Acquired  in-process  research  and  development  in  the  amount  of
   $4,451,000 was expensed during 1996, based upon an independent third-
   party valuation.  Goodwill related to this transaction was  $491,000,
   which is being amortized over a  period of seven years.  The  results
   of operations for  Digipass have  been included  in the  consolidated
   statement of operations subsequent to July 1, 1996.

        Other assets,  resulting from  the  acquisitions of  Lintel  and
   Digipass, are comprised  of the following  at December  31, 1997  and
   1998 (net of accumulated amortization of $1,318,000 and $1,984,000 as
   of December 31, 1997 and 1998, respectively):
<TABLE>
                                                 December 31,
                                              ---------------------
                                              1997          1998
                                              ----          ----
   <S>                                     <C>           <C>
   Software and hardware technology...     $  988,417    $  436,417
   Workforce .........................        200,388       163,737
   Customer lists ....................        421,096       343,667
                                           ----------    ----------
                                           $1,609,901    $  943,821
                                           ==========    ==========
</TABLE>
        Software and  hardware  technology  is being  amortized  over  a
   period of three to four years while workforce and customer lists  are
   being amortized over a period of seven years.  Amortization of  these
   assets was  $374,892,  $943,207  and $666,079  for  the  years  ended
   December 31, 1996, 1997 and 1998, respectively.  Included in the 1997
   amortization is a write-down in the amount of $234,493 related to the
   workforce of Digipass, due to attrition realized during the year.
<PAGE>
   Note 3 - Inventories

        Inventories, consisting  principally of  hardware and  component
   parts, are stated at the lower of cost or market.  Cost is determined
   using the first-in-first-out (FIFO) method.

        Inventories are comprised of the following:
<TABLE>
                                              December 31,
                                          -------------------
                                            1997         1998
                                            ----         ----
   <S>                                   <C>          <C>
   Component parts ..................... $  569,922   $  407,597
   Work-in-process and finished goods...    595,372      993,730
   Obsolescence reserves ...............   (164,000)    (129,000)
                                         ----------   ----------
                                         $1,001,294   $1,272,327
                                         ==========   ==========
</TABLE>
        The Company uses multiple suppliers for the microprocessors used
   in the production of hardware products,  as well as for the  assembly
   of the products.  The microprocessors are the only components of  the
   Company's hardware  devices that  would be  considered  non-commodity
   items and may not be readily available on the open market.  There is,
   however,  an  inherent   risk  associated  with   each  supplier   of
   microprocessors.  In order to  increase orders of microprocessors,  a
   lead time of twelve weeks is typically needed.  The Company maintains
   a sufficient inventory  of all component  parts to handle  short-term
   spikes in order quantities.

   Note 4 - Other Accrued Expenses

        Other accrued expenses are comprised of the following:
<TABLE>
                                               December 31,
                                          --------------------
                                             1997         1998
                                             ----         ----
        <S>                              <C>           <C>
        Accrued expenses ............... $  609,271    $  852,428
        Accrued interest ...............    657,799       860,957
        Accrued payroll ................    171,231       223,369
        Accrued dividends ..............    168,509       180,845
                                         ----------    ----------
                                         $1,606,810    $2,117,599
                                         ==========    ==========
</TABLE>
<PAGE>
   Note 5 - Income Taxes

        At  December  31,  1998,  the  Company  has  United  States  net
   operating loss carryforwards approximating $7,434,000 and foreign net
   operating loss carryforwards approximating  $1,092,000.  Such  losses
   are available to offset future taxable income at VASCO Data  Security
   International, Inc. and  its U.S.  subsidiary and  expire in  varying
   amounts beginning in 2002 and continuing through 2018.  In  addition,
   if certain  substantial changes  in  the Company's  ownership  should
   occur, there  would be  an annual  limitation on  the amount  of  the
   carryforwards which could be utilized.

        Pretax  loss  from  continuing  operations  was  taxed  in   the
   following jurisdictions:
<TABLE>
                                         For the Year Ended
                                            December 31,
                                ---------------------------------------
                                   1996         1997         1998
                                   ----         ----         ----
          <S>                  <C>           <C>           <C>
          Domestic ........... $(1,205,853)  $(4,655,220)  $(3,032,689)
          Foreign ............  (7,840,756)     (654,619)       70,847
                               ------------  ------------  ------------
                               $(9,046,609)  $(5,309,839)  $(2,961,842)
                               ============  ============  ============
</TABLE>
        The provision for income taxes consists of the following:
<TABLE>
                                      For the Year Ended
                                         December 31,
                                   1996      1997      1998
                                   ----      ----      ----
          <S>                  <C>        <C>       <C>
          Current:
           Federal ........... $     -    $     -   $     -
           State .............       -          -      (2,514)
           Foreign ...........    31,670    406,579   689,516

          Deferred:
           Federal ........... $ 142,182  $ 175,176  $    -
           State .............    20,148     24,824       -
           Foreign ...........       -          -         -
                               ---------  ---------  ---------
               Total           $ 194,000  $ 606,579  $ 687,002
                               =========  =========  =========
</TABLE>
<PAGE>
        The differences between income taxes computed using the
   statutory federal income tax rate of 34% and the provisions
   (benefits) for income taxes reported in the consolidated statements
   of operations are as follows:
<TABLE>
                                                    For the Year Ended
                                                       December 31,
                                          --------------------------------------
                                              1996         1997         1998
                                              ----         ----         ----
  <S>                                     <C>          <C>          <C>   
  Expected tax benefit at the         
     statutory rate.......................$(3,075,847) $(1,805,345) $(1,007,000)
  Increase (decrease) in income taxes
     resulting from:
     State tax expense, net of fed benefit.   (56,414)    (144,937)    (142,800)
     Foreign taxes at rates other than 34%.   163,107      149,549      665,000
     Change in valuation allowance.........   631,000    1,779,000    1,035,000
     Nondeductible acquired in-process tech 2,499,337          -            -
     Nondeductible expenses................     2,831      622,257      100,000
     Other, net ...........................    29,986        6,055       36,802
                                           ----------  -----------  -----------
                          Total           $   194,000  $   606,579  $   687,002
                                           ==========  ===========  ===========
</TABLE>

        The deferred income tax balances are comprised of the following:
<TABLE>
                                                 December 31,
                                        ---------------------------
                                             1997          1998
                                             ----          ----
<S>                                       <C>           <C>
Deferred tax assets:
  U.S. net operating loss carryforwards   $1,833,000    $2,886,000
  Foreign net oper loss carryforward...      412,000       439,000
  Inventory ...........................       44,000        25,000
  Accounts receivable .................      149,000        11,000
  Accrued expenses ....................          -         128,000
  Deferred revenue ....................          -          13,000
  Fixed assets ........................       30,000        22,000
  Other ...............................       25,000         6,000
                                           ---------     ---------
Total gross deferred income tax assets.    2,493,000     3,530,000
  Less valuation allowance ............   (2,410,000)   (3,445,000)
                                           ---------     ---------
                                              83,000        85,000
Deferred tax liabilities:
  Fixed assets ........................          -          (2,000)
                                           ---------     ----------
Net deferred income taxes .............   $   83,000    $   83,000
                                           =========     ==========
</TABLE>
<PAGE>
        The net change in  the total valuation  allowance for the  years
   ended December 31, 1996, 1997 and  1998 was an increase of  $631,000,
   $1,779,000  and   $1,035,000,  respectively.     In   assessing   the
   realizability of deferred tax  assets, the Company considers  whether
   it is more likely than not that  some portion or all of the  deferred
   tax assets will be  realized.  The  ultimate realization of  deferred
   tax assets is dependent upon the generation of future taxable  income
   during  the  period  in  which  these  temporary  differences  become
   deductible.  This assessment was performed considering the  scheduled
   reversal  of  deferred  tax  liabilities,  projected  future  taxable
   income, and tax planning strategies.  The Company has determined that
   it is more likely than not  that $83,000 of deferred tax assets  will
   be realized.   The  remaining valuation  allowance of  $3,445,000  is
   maintained  on  deferred  tax  assets  which  the  Company  has   not
   determined to be more likely than  not realizable as of December  31,
   1998.  This valuation allowance will  be reviewed on a regular  basis
   and adjustments made as appropriate.

   Note 6 - Debt

        Debt consists of the following:
<TABLE>
                                                              December 31,
                                                       ------------------------
                                                           1997          1998
                                                           ----          ----
<S>                                                    <C>          <C>
Convertible stockholder note, interest payable at 9%   $ 5,000,000  $ 5,000,000
Convertible stockholders' notes, interest
   payable at 8% ...................................       636,921          -
Convertible note, interest payable at 3.25%.........     3,400,000    3,400,000
Convertible note, interest payable at 3.25%.........     2,500,000          -
Convertible note, interest payable at 9.5%..........           -      3,000,000
Revolving line of credit, interest payable at 6.48%.           -      3,000,000
Short-term credit facility, interest payable at 8.1%           -        450,000
Installment notes payable ..........................        91,425      114,770
                                                       -----------  -----------
                                                        11,628,346   14,964,770
Less current maturities ............................    (3,185,400)  (6,528,867)
                                                       -----------  -----------
Long-term debt .....................................   $ 8,442,946  $ 8,435,903
                                                       ===========  ===========
</TABLE>
        On March 31, 1998, the Company entered into a loan agreement
   with Lernout & Hauspie Speech Products N.V. ("L&H") in the amount of
   $3 million, bearing interest at 9.5%, payable quarterly, with an
   original maturity of January 4, 1999. The maturity of this note has
   been extended to coincide with a private placement of the Company's
   equity during the second quarter of 1999.  This loan is convertible
   at the option of the holder into shares of the Company's common stock
   based upon the average closing price of VASCO Data Security
   International, Inc.'s common stock for the 10 trading days prior to
   March 11, 1998, the date the Exchange Offer closed. This loan was
   funded in April 1998.
<PAGE>
        In December 1998, the Company entered into a short-term credit
   facility with a European bank.  This facility, bearing interest at a
   rate of 8.1%, provided for $450,000 in funds to allow the Company to
   extend and expand its licensing agreement with Lernout & Hauspie
   Speech Products N.V.  This facility was repaid during January 1999
   and was terminated at that time.

        In June 1997, the Company entered into a new financing agreement
   with a European bank.  The new agreement provides for $2.5 million in
   financing, with a maturity of September 30, 1998, bears interest at a
   rate of 3.25% annually  and is convertible into  common stock of  the
   Company at the option of the bank, at conversion prices as  specified
   in the agreement. As of the maturity date of September 30, 1998,  per
   the terms of the agreement, 116%  of the principal amount was  repaid
   from the proceeds of a short-term  borrowing facility secured by  the
   Company with KBC Bank.    The KBC  Bank facility represents a  three-
   month revolver, renewable  for additional three-month  terms, with  a
   corresponding interest rate of 6.48%. This facility is expected to be
   repaid from  the proceeds  of a  private placement  that the  Company
   expects to complete during the second quarter of 1999.

        In August 1997, the  Company renegotiated the guarantee  related
   to the final payment for the 1996 acquisition of Digipass into a term
   loan in the amount  of $3.4 million.   The note matures on  September
   30, 2002 and bears interest at a rate of 3.25% annually. In the event
   a public offering is completed, the lender may at its option  require
   the principal amount of the loan to be repaid in cash, in which  case
   additional special  interest  is  payable  as  follows:  $340,000  if
   repayment is on  or before June  30, 1998, $510,000  if repayment  is
   between July 1, 1998 and December 31, 1998 and $680,000 if  repayment
   is on January 1, 1999 or later. In addition, the note is  convertible
   into common stock  of the Company  at the option  of the  bank, at  a
   conversion prices as  specified in the  agreement.   The Company  has
   accrued $510,000 in special interest as of December 31, 1998. As part
   of this  transaction, T.  Kendall Hunt,  the Company's  Chairman/CEO,
   entered into  a  pledge  agreement with  this  financial  institution
   pursuant to which he pledged, as collateral for the convertible note,
   1,416,666 of his shares of common stock of the Company, which  number
   of shares is subject to adjustment  based on the market value of  the
   shares.

        During 1996,  the  Company  acquired two  companies  located  in
   Europe (see Note 2).   To facilitate  the first acquisition,  Lintel,
   one  component  of  the  purchase   price  was  represented  by   two
   convertible notes, each payable in  the amount of $373,750  ($747,500
   total) due May 30, 1998.   The notes are convertible at the  holders'
   option at a rate of $7.00 per share of common stock. During 1996  and
   1997,  these  notes   were  paid   down  by   $33,750  and   $76,829,
   respectively.  Each of these notes bears an interest rate of 8%, with
   interest payments made on a quarterly basis.  At the holders' option,
   the interest may be  paid either in  cash or in  common stock of  the
   Company.  In calculating the shares  of common stock to be issued  in
   lieu of cash interest,  the average closing  price for the  Company's
   common stock for the previous 20  trading days is used.  These  notes
   were repaid upon maturity.
<PAGE>
        During 1996, the Company  continued to raise capital  privately,
   including a private placement consisting  of the issuance of  666,666
   shares of common stock and a $5,000,000 convertible note due May  29,
   2001.  The note  bears interest at 9%,  with interest payable to  the
   holder on a quarterly basis.  The holder may, at its option, elect to
   receive interest payments in  cash or common  stock.  In  calculating
   the shares of common stock to be issued in lieu of cash interest, the
   average closing price for the Company's common stock for the previous
   20 trading days is used.

        Aggregate maturities  of  debt  at  December  31,  1998  are  as
        follows:
<TABLE>
        <S>                                   <C>
        1999 ...............................  $6,528,867
        2000 ...............................      35,903
        2001 ...............................   5,000,000
        2002 and thereafter ................   3,400,000
                                              ----------
                  Total .................... $14,964,770
                                              ==========
</TABLE>
        Interest expense  to  stockholders was  $265,565,  $507,100  and
   $497,795 for  the  years ended  December  31, 1996,  1997  and  1998,
   respectively.

   Note 7 - Stockholders' Equity

   Preferred Stock

        The Company  has  the  authority  to  issue  500,000  shares  of
   preferred stock.  As  of December 31, 1997,  317,181 of these  shares
   had been  designated Series  A, 8%  convertible preferred  stock  and
   9,500 had been designated Series B, 12% convertible preferred  stock.
   The remaining 173,319 shares were undesignated.

        The Series A, 8% convertible  preferred stock (Series A  Shares)
   consisted of  317,181  shares  that carried  a  cumulative  dividend,
   payable upon  conversion, of  8% per  annum.   During  1996,  200,000
   Series A Shares were converted into 1,333,333 shares of common stock;
   the remaining 117,181  Series A  Shares were  converted into  781,207
   shares of common stock during 1997.

        The Series B, 12% convertible preferred stock (Series B  Shares)
   consisted of 9,000 shares that carried a cumulative dividend, payable
   monthly, of 12% per  annum based on a  liquidation value of $100  per
   share. On  September  17,  1997,  all  9,000  Series  B  Shares  were
   converted into 644,653 shares of common stock.

        As a  result of  the above,  the  500,000 authorized  shares  of
   preferred stock were undesignated as of December 31, 1998.
<PAGE>
   Common Stock

        During 1995, the Company privately placed 108,676 equity  units,
   each consisting of two shares of common stock reissued from  treasury
   with one warrant  to purchase  one share  of common  stock at  $6.00.
   Included in the 108,676 equity units are 53,000 equity units  subject
   to redemption, at the option of the  holder, at a price of $7.00  per
   share, or $14.00  per equity unit.   In March  1997, 17,664 of  these
   equity units (representing 35,328 shares  of common stock and  17,664
   warrants) were  redeemed  at  $14.00 per  equity  unit,  with  70,667
   warrants to purchase one share of common stock at $5.19 being  issued
   to the holders of  the redeemed units.   The "put" option related  to
   the remaining 35,336 equity units expired in March 1998.

        During 1998, the Company issued  658,257 shares of common  stock
   as a result  of the  exercise of  options under  the Company's  stock
   option plan  (see  Note 8)  generating  total proceeds  of  $116,347;
   14,472 shares of common stock were issued as a result of the exercise
   of  the  Company's  stock  warrants,  under  the  cashless   exercise
   provision contained within the warrant itself.

        In July 1997, the Company reissued 2,824 shares of common  stock
   from treasury and 778,383 original  issue shares in conjunction  with
   the conversion of the  117,181 Series A  Shares (see Preferred  Stock
   above).  Additionally, in September 1997, the Company issued  644,653
   shares of  common stock  in conjunction  with the  conversion of  the
   9,000 Series B Shares (see Preferred Stock above).

        Additional  common  stock  transactions  during  1997  were   as
   follows:  189,375 shares of common  stock were issued as a result  of
   the exercise of  options under the  Company's incentive stock  option
   plan (see Note 8)  for total proceeds of  $42,470;  16,489 shares  of
   common stock that had been issued in December 1996 were  subsequently
   canceled; and 116,218 shares of common  stock were issued in lieu  of
   interest related  to the  $5,000,000 convertible  note placed  during
   1996 (see Note 6).

        During 1996,  the Company  reissued 287,923  shares of  treasury
   stock, issued 140,651 shares of common stock and 100,000 warrants  to
   purchase one  share  of  common stock  at  $7.00  as a  part  of  the
   acquisition of Lintel (see  Note 2).  The  warrants were recorded  at
   their fair value  on the  date of grant.   In  addition, the  Company
   continued to raise  money through  private placements  of its  common
   stock.  In the  first quarter of 1996,  the Company privately  placed
   167,482 shares of common  stock and 83,741  warrants to purchase  one
   share of common stock at $6.00, generating $284,720 in net  proceeds.
   The warrants are exercisable  at the option  of the holder,  however,
   the Company maintains the right to  require exercise of the  warrants
   30 days prior to a public offering of the Company's stock.

        During the second  quarter of 1996,  the Company placed  666,666
   shares of common stock with 137,777 warrants to purchase one share of
   common stock at $4.50.  Total  issue fees and costs of $170,000  have
   been netted against $3,000,000 of proceeds from the placement in  the
   Company's financial statements.  In addition, 55,555 shares of common
   stock and 8,889  warrants to purchase  one share of  common stock  at
   $4.50 were issued as commissions related to the placement.
<PAGE>
        The Company  raised  additional  funds  in  1996  in  a  private
   placement of 237,060 shares of common  stock with 35,329 warrants  to
   purchase one share of  common stock at $4.50.   Total issue fees  and
   costs of $47,885  have been netted  against the  $1,066,770 in  total
   proceeds from the  placement in the  Company's financial  statements.
   In addition, 16,489 shares of common stock were issued as commissions
   related to the placement, but were canceled in 1997.

        Additional  common  stock  transactions  during  1996  were   as
   follows:  1,333,333 shares  of common stock  were issued pursuant  to
   the conversion of 200,000 shares of Series A preferred stock;  24,000
   shares of common  stock were issued  as a result  of the exercise  of
   options under the Company's incentive stock option plan (see Note  8)
   for total proceeds of $5,238; and 20,021 shares of common stock  were
   issued in  lieu of  an interest  payment in  the amount  of  $118,750
   related to the private debt placement that occurred during 1996  (see
   Note 6).


   Note 8 - Stock Option Plan

        The Company's  1997  Stock  Option Plan,  as  amended,  ("Option
   Plan") is  designed and  intended as  a performance  incentive.   The
   Option  Plan  is  administered  by  the  Compensation  Committee   as
   appointed by  the Board  of Directors  of the  Company  (Compensation
   Committee).

        The Option Plan permits the grant of options to employees of the
   Company to purchase shares  of common stock and  is intended to be  a
   nonqualified plan.  All options granted to employees are for a period
   of ten years, are granted at a  price equal to the fair market  value
   of the common stock on the  date of the grant  and are vested 20%  on
   the first anniversary of the grant, with an additional 20% vesting on
   each subsequent anniversary of the grant.

        The  Option  Plan  further  permits  the  grant  of  options  to
   directors, consultants  and  other  key  persons  (non-employees)  to
   purchase shares  of  common  stock.   All  options  granted  to  non-
   employees are for a period of ten years, are granted at a price equal
   to the fair  market value  of the  common stock  on the  date of  the
   grant, and may  contain vesting requirements  and/or restrictions  as
   determined by the Compensation Committee at the time of grant.

        The Option Plan is authorized  to issue options representing  up
   to 5,000,000 shares of the Company's common stock.

        The  Company   applies   APB   Opinion  No.   25   and   related
   interpretations in accounting for the Option Plan.  Had  compensation
   cost for the  Option Plan been  determined consistent  with SFAS  No.
   123, the Company's net loss available to common stockholders and  net
   loss per common share would have been the pro forma amounts indicated
   below:
<PAGE>
<TABLE>
                                           For the Year Ended December 31,
                                    ------------------------------------------
                                       1996           1997          1998
                                       ----           ----          ----
   <S>                           <C>            <C>            <C>
   Net loss available to common                                         
   stockholders:
       As reported ............  $  (9,348,769) $  (5,998,318) $ (3,648,844)
       Pro forma ..............     (9,542,493)    (6,271,420)   (3,993,763)
   Net loss per common share-
   basic and diluted:
       As reported ............  $       (0.53) $       (0.31) $      (0.18)
       Pro forma ..............          (0.54)         (0.33)        (0.20)
</TABLE>
        For purposes  of calculating  the compensation  cost  consistent
   with SFAS No. 123, the fair  value of each option grant is  estimated
   on the date  of grant  using the  Black-Scholes option-pricing  model
   with the following  weighted-average assumptions used  for grants  in
   fiscal  1996,  1997  and  1998:    dividend  yield  of  0%;  expected
   volatility of 50%;  risk free interest  rates ranging  from 4.00%  to
   6.80%; and expected lives of five years.

        The following is a summary of activity under the Option Plan:
<TABLE>
                          Options Outstanding    Options Exercisable
                          -------------------    -------------------
                                                                       Weighted
                                                                       Average
                                                                      Fair Value
                                     Weighted              Weighted       of
                            Options   Average    Options    Average    Options
                          Outstanding  Price    Exercisable  Price     Granted
                          -----------  -----    -----------  -----     -------
   <S>                      <C>        <C>      <C>         <C>      <C> 
   Outstanding at                                                              
      December 31, 1995     1,425,382  $  0.20  1,232,257   $ 0.20
   Granted................    335,000     4.65                       $   2.43
   Exercised..............    (24,000)    0.23
   Forfeited..............    (74,750)    2.14
                            ---------  -------
   Outstanding at
   December 31, 1996......  1,661,632     1.01  1,299,757     0.57
   Granted................    512,500     4.18                       $   1.95
   Exercised..............   (189,375)    0.22
   Forfeited..............    (39,500)    3.91
                            ---------  -------
   Outstanding at
   December 31, 1997......  1,945,257     1.85  1,460,629     1.29
   Granted................    245,250     5.09                       $   2.55
   Exercised..............   (658,257)    0.18
   Forfeited..............    (56,750)    4.25
                            ---------  -------
   Outstanding at
   December 31, 1998.....   1,475,500  $  3.05  1,088,375   $ 2.48
                            =========  =======  =========   ======
</TABLE>
<PAGE>
        The following table summarizes  information about stock  options
        outstanding at December 31, 1998:
<TABLE>
                              Options Outstanding           Options
                                                          Exercisable
                         ---------------------------   ---------------
                                  Weighted
                                  Average   Weighted          Weighted
                         Number  Remaining  Average    Number  Average
                           of   Contractual Exercise     of    Exercise
Range of Exercise Price  Shares     Life     Price     Shares   Price
- -----------------------  ------  ----------  -----    --------  -------
   <S>                   <C>     <C>        <C>       <C>        <C>
   $2.50 - 6.00 ........ 963,000 8.35 years $   4.55  575,875    $ 4.49
   $0.1875 - 0.25 ...... 512,500 3.59 years $   0.22  512,500    $ 0.22
</TABLE>

   Note 9 - Employee Benefit Plan

             The Company maintains  a contributory  profit sharing  plan
   established pursuant  to  the provisions  of  Section 401(k)  of  the
   Internal Revenue Code which provides benefits for eligible  employees
   of the Company.  The Company made no contributions to the plan during
   the years ended December 31, 1996, 1997 and 1998.


   Note 10 - Geographic and Customer Information

             During each of the last three fiscal years, the Company has
   operated in only one  industry segment. During  1996, 1997 and  1998,
   sales  to  one  customer  (a  reseller  of  the  Company's   product)
   aggregated  approximately  $4,297,000,   $1,994,000  and   $1,950,000
   respectively, representing 44%,  16% and 13%  of the total  revenues,
   respectively.  Accounts receivable from this customer represented 40%
   and 60%  of  the  Company's  gross  accounts  receivable  balance  at
   December 31,  1997 and  1998, respectively.   Sales  to  unaffiliated
   customers are based upon the point of sale versus the location of the
   customer.   However, United  States sales  to unaffiliated  customers
   includes export sales from the Company's United States operations  to
   unaffiliated  customers   in   the   Netherlands   of   approximately
   $4,297,000, $1,994,000 and  $1,950,000 for the  years ended  December
   31, 1996, 1997 and 1998, respectively.
<PAGE>
        Information  regarding  geographic  areas  for  the  year  ended
   December 31, 1996 is as follows:
<TABLE>
                                        United     Belgium     Total
                                        States
                                        ------     -------     -----
<S>                                 <C>         <C>         <C>
Sales to unaffiliated customers     $ 4,774,000 $ 5,418,000 $ 10,192,000

Long-lived assets                       270,000   3,478,000    3,748,000
</TABLE>
        Information  regarding  geographic  areas  for  the  year  ended
   December 31, 1997 is as follows:
<TABLE>
                                        United     Belgium     Total
                                        States
                                        ------     -------     -----
<S>                                 <C>         <C>         <C>
Sales to unaffiliated customers     $ 2,784,000 $ 9,518,000 $ 12,302,000

Long-lived assets                       285,000   2,432,000    2,717,000
</TABLE>
        Information  regarding  geographic  areas  for  the  year  ended
   December 31, 1998 is as follows:
<TABLE>
                                        United     Belgium     Total
                                        States
                                        ------     -------     -----
<S>                                 <C>         <C>         <C>
Sales to unaffiliated customers     $ 2,785,000 $12,231,000 $ 15,016,000

Long-lived assets                       257,000   1,721,000    1,978,000
</TABLE>

   Note 11 - Commitments and Contingencies

        The Company leases  office space and  equipment under  operating
   lease agreements expiring at various times during 1999.

        Future minimum  rental  payments  required  under  noncancelable
        leases are as follows:
<TABLE>
        <S>                                  <C>
        Year                                    Amount
        1999 ................................ $147,380
</TABLE>
        Rent expense  under  operating leases  aggregated  approximately
   $158,000, $213,000  and $285,000  for the  years ended  December  31,
   1996, 1997 and 1998, respectively.

        During a period of time extending from the mid-1980s to the mid-
   1990s the  Company  engaged  in certain  matters  that  were  not  in
   compliance with requisite corporate law.  There have been no lawsuits
   asserted or  filed  against the  Company  related to  these  matters.
   Management cannot assess the likelihood that a lawsuit would be filed
   nor can management estimate a potential range of loss.
<PAGE>
        The Company is  subject to  legal proceedings  and claims  which
   have arisen in the ordinary course of its business and have not  been
   finally adjudicated.   These actions, when  ultimately concluded  and
   determined, will not, in the opinion  of management, have a  material
   adverse impact on the financial  position, results of operations  and
   liquidity of the Company.


   Note 12 - Subsequent Events

        On April 6, 1999, Security Dynamics Technologies, Inc., RSA Data
   Security, Inc., the Company and VASCO Data Security, Inc. announced
   settlement on confidential terms of the claims that each of the
   companies had raised in litigation filed last year.

        On April 14, 1999, the Company completed a private placement of
   Common Stock in the amount of $11.5 million. The transaction
   represented a sale of the Company's Common Stock to European
   institutional investors at a price of $3.50 per share.  A total of
   3,285,714 shares of Common Stock were issued as a part of this
   transaction.
<PAGE>



                       INDEPENDENT AUDITORS' REPORT

   The Stockholders and Board of Directors
   VASCO Data Security International, Inc.:

             We have audited the accompanying consolidated balance
   sheets of VASCO Data Security International, Inc. and subsidiaries
   (the "Company") as of December 31, 1997 and 1998 and the related
   statements of operations, comprehensive income, stockholders' equity
   (deficit), and cash flows for each of the years in the three-year
   period ended December 31, 1998.
   In connection with our audits of the consolidated financial
   statements, we have also audited the consolidated financial statement
   schedule as listed in the accompanying index.  These consolidated
   financial statements and the consolidated financial statement
   schedule are the responsibility of the Company's management.  Our
   responsibility is to express an opinion on these consolidated
   financial statements and the consolidated financial statement
   schedule based on our audits.

             We conducted our audits in accordance with generally
   accepted auditing standards.  Those standards require that we plan
   and perform the audit to obtain reasonable assurance about whether
   the financial statements are free of material misstatement.  An audit
   includes examining, on a test basis, evidence supporting the amounts
   and disclosures in the financial statements.  An audit also includes
   assessing the accounting principles used and significant estimates
   made by management, as well as evaluating the overall financial
   statement presentation.  We believe that our audits provide a
   reasonable basis for our opinion.

             In our opinion, the consolidated financial statements
   referred to above present fairly, in all material respects, the
   financial position of VASCO Data Security International, Inc. and
   subsidiaries as of December 31, 1997 and 1998, and the results of
   their operations and their cash flows for each of the years in the
   three-year period ended December 31, 1998, in conformity with
   generally accepted accounting principles.  Also, in our opinion, the
   related consolidated financial statement schedule, when considered in
   relation to the basic consolidated financial statements taken as a
   whole, presents fairly, in all material respects, the information set
   forth therein.



                                           /s/ KPMG LLP

   Chicago, Illinois
   March 12, 1999, except for Note 12
      which is as of April 15, 1999

<PAGE>

                                SCHEDULE II

                  VASCO DATA SECURITY INTERNATIONAL, INC.

                     VALUATION AND QUALIFYING ACCOUNTS

<TABLE>
                                              Bad Debt
Allowance for Doubtful Accounts  Beginning     Expense     Accounts    Ending
For Trade Accounts Receivable     Balance    (Recovery)    Written     Balance
                                                             Off
- ----------------------------    ----------   ----------    --------   --------
<S>                            <C>          <C>           <C>        <C>
Year ended December 31, 1996   $  182,000   $   346,000   $ (76,000) $  452,000
Year ended December 31, 1997      452,000        97,000    (120,000)    429,000
Year ended December 31, 1998      429,000      (272,000)   (102,000)     55,000

                                 Beginning  Obsolescence  Inventory   Ending
Reserve for Obsolete              Balance      Expense     Written    Balance
Inventories                                                  Off
- ----------------------------    ----------   ----------    --------   --------
<S>                            <C>          <C>           <C>        <C>
Year ended December 31, 1996   $  114,000   $    40,000   $     -    $  154,000
Year ended December 31, 1997      154,000       101,000     (91,000)    164,000
Year ended December 31, 1998      164,000        35,000      70,000)    129,000
</TABLE>
<PAGE>
             SIGNATURES

        Pursuant to  the requirements  of Section  13  or 15(d)  of  the
   Securities Exchange Act of 1934, the Registrant has duly caused  this
   Report to be signed on its behalf by the undersigned, thereunto  duly
   authorized, on April 15, 1999.

                                 VASCO Data Security International, Inc.

                                      /s/ T. Kendall Hunt
                                 T. Kendall Hunt
                                 Chairman of the Board, Chief  Executive
   Officer and President

        Pursuant to the requirements of  the Securities Exchange Act  of
   1934, this Report has been signed by the following persons on  behalf
   of the Registrant in the capacities indicated on April 15, 1999.

                             POWER OF ATTORNEY

        Each of  the  undersigned, in  his  capacity as  an  officer  or
   director, or  both,  as the  case  may  be, of  VASCO  Data  Security
   International, Inc. does hereby appoint  T. Kendall Hunt and  Gregory
   T. Apple, and each of them  severally, his true and lawful  attorneys
   or attorney to execute in his name, place and stead, in his  capacity
   as director or  officer, or  both, as the  case may  be, this  Annual
   Report on Form 10-K for the  fiscal year ended December 31, 1998  and
   any and all amendments thereto and to file the same with all exhibits
   thereto  and  other  documents  in  connection  therewith  with   the
   Securities and Exchange  Commission.   Each of  said attorneys  shall
   have power to act  hereunder with or without  the other attorney  and
   shall have full power and authority to do and perform in the name and
   on behalf of each of said directors or officers, or both, as the case
   may be, every act whatsoever requisite or necessary to be done in the
   premises, as fully and to all  intents and purposes as to which  each
   of said officers or directors, or both, as the case may be, might  or
   could do in  person, hereby ratifying  and confirming  all that  said
   attorneys or attorney may lawfully do  or cause to be done by  virtue
   hereof.

             SIGNATURE                          TITLE

      /s/  T. Kendall Hunt                 Chairman of the Board,
                                           Chief Executive Officer
   T. Kendall Hunt                         and President and Director
                                           (Principal Executive Officer)

      /s/  Gregory T. Apple                Vice President and Treasurer
   Gregory T. Apple                        (Principal Financial Officer
                                           and Principal Accounting
                                           Officer)

      /s/  Robert E. Anderson              Director
   Robert E. Anderson

<PAGE>
      /s/  Michael P. Cullinane            Director
   Michael P. Cullinane


      /s/  Pol Hauspie                     Director
   Pol Hauspie


      /s/  Mario A. Houthooft              Director
   Mario A. Houthooft


      /s/  Forrest D. Laidley              Director
   Forrest D. Laidley


      /s/  Michael A. Mulshine             Director
   Michael A. Mulshine


   LERNOUT & HAUSPIE SPEECH PRODUCTS N.V.

   AMENDMENT I

   LICENSE AGREEMENT

   This Amendment I, effective the 31st day of December, 1998
   ("Effective Date"), is by and between Lernout & Hauspie Speech
   Products N.V. (the "Licensor"), and VASCO Data Security
   International, Inc. (the "Licensee"), and hereby amends the Agreement
   dated March 25, 1998 between Licensor and Licensee (the "Agreement").

   The parties hereto agree as follows:

   1. Scope of Amendment

   This Amendment I supplements the Agreement to i) add new Development
   Software, ii) add additional Designated Application, iii) expand the
   prepayment and the term, iv) modify the payment terms and v) initiate
   a co-marketing and co-sales effort.  In all other respects, the
   Agreement as amended is ratified and confirmed, and the terms thereof
   shall remain in effect.

   2.   Existing Development Software, as of the Effective Date

   The Agreement is hereby amended to add new Development Software.
   Accordingly, new Addenda A-I, attached hereto, shall be added to
   Addendum A and become part of the Agreement.

   3.   Additional Designated Application

   The Agreement is hereby amended to add additional Designated
   Application.  Accordingly, a new Addendum B-I, attached hereto, shall
   be added to Addendum B and become part of the Agreement.

   4.   Additional prepayment/Extension of Term

   The Agreement is hereby amended to extend the term with an additional
   five (5) years.

   The Agreement is hereby amended to expand the prepayment.
   Accordingly, Section 1 b) of Addendum C shall be deleted and replaced
   as follows:

   1.b)  LICENSEE hereby commits to a non-refundable pre-payment on
   royalties in the amount of US $1,700,000 (One Million Seven Hundred
   Thousand US Dollars).

   5.  Payment Terms

   The Agreement is hereby amended to change the payment terms.
   Accordingly, Section 3 of Addendum C shall be deleted and replaced as
   follows:

   3.a)  LICENSEE will pay a first non-refundable pre-payment on
   royalties to the amount of Six Hundred Thousand US Dollars ($600,000
   USD) within Three (3) months after the Effective Date of this
   Agreement.  This non-refundable prepayment will be credited against
   royalty payments as described in this Agreement.
<PAGE>
   LICENSEE will pay a second non-refundable pre-payment on royalties to
   the amount of One Million One Hundred Thousand US Dollars
   ($1,100,000USD) as follows:

   . $450.000 USD will be payable upon C.E.D of this Amendment I.
   . $650.000 USD will be payable on or before March 20, 1999.
   This non-refundable prepayment will be credited against royalty
   payments as described in this Agreement, as amended.

   After the minimum committed royalties, the amounts of royalties shall
   be paid by LICENSEE to LICENSOR in quarterly basis and shall be
   calculated according to section 1 of this Addendum.

   b)  Payment of Non-Refundable Engineering Fee will be defined when
     applicable.


   6.  Co-marketing and co-sales

   The Agreements is hereby amended to include a co-marketing and co-
   sales effort for both parties.  Accordingly, a new Section 14.11 and
   14.12 shall be added and become part of the Agreement.

   14.11.  Parties agree to use commercially reasonable efforts, upon
     mutually agreed terms and conditions, to market the products of
     the other party; such co-marketing to be achieved through but
     without limitation, joint press releases, promotion on trade
     fairs, sharing of existing distribution resources.

   14.12.  In the course of the first quarter of 1999, both parties will
     work out a co-sales plan, in which they will determine which
     jointly developed products of one party may be sold by the other
     party.  Pricing and commercial conditions will also be worked out.
     As a guideline similar royalties are provided in the License
     Agreement, will be paid by one party to the other, unless
     otherwise defined in common agreement between both parties,
     depending on market conditions and functionality of these
     products.

   IN WITNESS WHEREOF, the parties execute this Amendment I by their
   duly authorized representatives, effective as of the Effective Date
   of this Amendment I.

                                                LERNOUT & HAUSPIE
   VASCO Data Security International, Inc.      SPEECH PRODUCTS N.V.

   By  /s/ T. Kendall Hunt                 By  /s/ Gaston Bastiens


   Name:___T. Kendall Hunt _________        Name:__Gaston Bastiens___

   Title:__Chairman/CEO                     Title:_President/CEO______


<PAGE>
   Addendum A-1

   Software Functional Specification

   1.1   LICENSEE agrees having received the Development Software, having
     the following reference:

   All existing L&H products, including the following, but not limited
   to:

   ASR1500/T, all languages commercially available at the Effective Date,
   ASR1600/M, all languages commercially available at the Effective Date,
   ASR 200 and 300, all languages commercially available at the Effective Date,
   TTS 3000, all languages commercially available at the Effective Date,
   Speech Coding, but rate 4.8 Kbps.

   Voice Xpress and Voice Xpress Pro, all languages commercially
   available at the Effective Date.

   1.2  Reference is made to the Documentation as provided for the
     Development Software.

   1.3  Furthermore, by signing this Agreement, LICENSEE accepts that the
     Development Software meets the functional specification(s).

   1.4  Functional Specifications:  as per existing technical
     documentation provided by LICENSOR to LICENSEE

   1.5  Other LICENSOR's products, or other language version of existing
     products, can be added to this agreement, as they become
     available.  This will be done in common agreement between both
     parties.  Notwithstanding the above, LICENSEE shall be entitled to
     updates of the Development Software delivered hereunder.
<PAGE>

     Addendum B-1

   Designated Application

   1.  Following are some of the target applications which, incorporating
     the run-time software will be developed in common agreement
     between both parties:

   1)  Telephony applications for the banking and remote access sector
     using the L&H ASR 1500/T, for command and control functions, in
     combination with the VASCO Verification and authentication, using
     the VASCO proprietary products, including but not limited to
     Cryptech and Advanced Authentication Technologies.

   2)  PC desktop applications for the banking and remote sector using
     the L&H ASR 1600/M, for command and control functions, in
     combination with the VASCO Verification and authentication, using
     the VASCO proprietary products, including but not limited to
     Cryptech and Advanced Authentication Technologies.

   3)  PC desktop Data security applications based on L&H products for
     Access to the application (as per existing License Agreement), in
     combination with the VASCO proprietary products, for
     authentication.

   4)  PC desktop Data security applications and banking and remote
     access applications using the L&H products for `document
     authentication and signature'.
         Documents can either be created by keyboard input, or by Voice
   input-via dictation.

   The exact functionality and specifications of these applications will
   be defined jointly by product manager of both parties.
   Product managers from both sides will meet at least once per quarter
   to identify and define these applications, estimating development
   cost and cycle.
   Additional applications, using one or more of LICENSEE's technologies
   or products can be added to the above list, in common agreement
   between both parties.

   2.  LIMITED EXCLUSIVITY

   The following will clarify the limited exclusivity provisions as
   mentioned in the License Agreement:

   During an initial period of three (3) years, LICENSEE's rights as
   defined in article 2 of the License Agreements shall be exclusive as
   to the Speaker Verification software for use in PC and network
   security applications with authentication and/or signature functions.
<PAGE>
   During an initial period of three (3) years, LICENSEE shall have the
   exclusive distribution rights of the sdk-version of the Speaker
   Verification software to customers using the PC and network security
   applications with authentication and/or signature functions.
   Both parties agree to work out the procedure under which such
   distribution shall take place.  A fee amounting to 30% of the
   revenues/license fees generated hereunder by LICENSOR, will be paid
   to LICENSEE.

   This exclusivity shall commence on January 1, 1999, and shall remain
   for a period of three (3) years, so long as LICENSEE:

   a)  does not enter into agreements with other speech software
     companies
   b)  makes timely payments to LICENSOR under this Agreements and other
     agreements;

   The failure to achieve any of the above cumulative conditions shall
   immediately revert the exclusivity into a non-exclusivity.  This
   clause shall remain valid during any extension of the exclusivity
   term and shall not be derogated by anything hereunder mentioned.

   After two (2) years of the initial three (3) year period, LICENSOR
   and LICENSEE shall both agree on the performance criteria, based on
   but not limited to market share, which LICENSEE has to meet at the
   end of the third year.

   At the end of the initial three (3) year period (and each extension
   thereof), both parties shall evaluate the results and the commercial
   forecasts with a view to extend the exclusivity with one year
   periods.

   If both parties agree not to extend the exclusivity after any period
   hereabove mentioned, both parties agree that the agreement shall
   continue on an non-exclusive basis for the term of the Agreement.

   LICENSEE acknowledges that the above exclusivity shall not apply to
   existing customer base of LICENSOR, as well as to chip and board
   manufacturers.


<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                       1,523,075
<SECURITIES>                                         0
<RECEIVABLES>                                3,431,218
<ALLOWANCES>                                    55,000
<INVENTORY>                                  1,272,327
<CURRENT-ASSETS>                             7,224,268
<PP&E>                                       1,049,402
<DEPRECIATION>                                 691,806
<TOTAL-ASSETS>                               9,100,896
<CURRENT-LIABILITIES>                       10,310,557
<BONDS>                                              0
                                0
                                          0
<COMMON>                                        20,806
<OTHER-SE>                                 (9,666,370)
<TOTAL-LIABILITY-AND-EQUITY>                 9,100,896
<SALES>                                     15,015,927
<TOTAL-REVENUES>                            15,015,927
<CGS>                                        6,949,308
<TOTAL-COSTS>                                6,949,308
<OTHER-EXPENSES>                             9,276,598
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           1,457,627
<INCOME-PRETAX>                            (2,961,842)
<INCOME-TAX>                                   687,002
<INCOME-CONTINUING>                        (3,648,844)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (3,648,844)
<EPS-PRIMARY>                                   (0.18)
<EPS-DILUTED>                                   (0.15)
        

</TABLE>

                                                       Exhibit 23

The Stockholders and Board of Directors
VASCO Data Security International, Inc.:

We  consent  to  incorporation  by  reference  in  the  registration
statement  (No.  333-62829)  on  Form  S-8  of  VASCO  Data  Security
International, Inc. of our report dated March 12, 1999, except as to
Note 12 which is as of April 15, 1999, relating to the consolidated
balance  sheets  of  VASCO  Data  Security  International,  Inc.  and
subsidiaries as of December 31, 1998 and 1997, and the related
consolidated  statements  of  operations,  comprehensive  income,
shareholders' equity (deficit), and cash flows for each of the years
in the three-year period ended December 31, 1998, and the related
consolidated financial statement schedule, which report appears in the 
December 31, 1998 annual report on Form 10-K of VASCO Data Security
International, Inc.


                                 /s/  KPMG LLP


Chicago, Illinois
April 15, 1999



                                                              Exhibit 21

                      Subsidiaries of the Registrant

                                                       Percentage
        Entity                         Jurisdiction     Ownership 
        [S]                                 [C]                 [C]
        VASCO Data Security Europe SA    Belgium          100%*

             VASCO Data Security NV/SA   Belgium          100%*

        VASCO Data Security, Inc.        Delaware         100%


   * All shares are held by the parent corporation, except that shares
   representing less than 1% are held by T. Kendall Hunt.



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