V ONE CORP/ DE
S-3, 1998-12-16
COMPUTERS & PERIPHERAL EQUIPMENT & SOFTWARE
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As filed with the Securities and Exchange Commission on December 16, 1998
                                                            File No. 333-_______

================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                    FORM S-3
             REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933

                                V-ONE Corporation
                   -------------------------------------------
             (Exact name of registrant as specified in its charter)


                 Delaware                                  52-1953278
- -------------------------------------------       ------------------------------
     (State or other jurisdiction of                    (I.R.S. Employer
      incorporation or organization)                   Identification No.)

            20250 Century Boulevard, Suite 300, Germantown, MD 20874
                                 (301) 515-5200
         --------------------------------------------------------------
    (Address, including zip code, and telephone number, including area code,
                  of registrant's principal executive offices)

                               Charles B. Griffis
                Senior Vice President and Chief Financial Officer
                                V-ONE Corporation
                             20250 Century Boulevard
                                    Suite 300
                              Germantown, MD 20874
                                 (301) 515-5243
      --------------------------------------------------------------------
 (Name, address, including zip code, and telephone number, including area code,
                              of agent for service)

                                   Copies to:
                               Cary J. Meer, Esq.
                            Richard A. Gashler, Esq.
                           Kirkpatrick & Lockhart LLP
                         1800 Massachusetts Avenue, N.W.
                            Washington, DC 20036-1800

      Approximate  date of commencement of proposed sale to the public:  As soon
as practicable after the effective date of this Registration Statement.

      If the only  securities  being  registered  on this Form are being offered
pursuant to dividend or interest  reinvestment plans, please check the following
box.                                                                         / /

      If any of the securities  being  registered on this Form are to be offered
on a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act
of 1933,  other than  securities  offered only in  connection  with  dividend or
interest reinvestment plans, check the following box.                        /X/

      If this Form is filed to register  additional  securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering.                  / / ___

<PAGE>

      If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering.                                                   / / ___

      If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box.                                              / /

                         CALCULATION OF REGISTRATION FEE

- --------------------------------------------------------------------------------
                                   Proposed       Proposed
                                   Maximum         Maximum
Title of Each Class     Amount     Offering       Aggregate      Amount of
of Securities To Be     To Be     Price Per        Offering    Registration
  Registered          Registered   Share(1)        Price(1)       Fee(1)
- --------------------------------------------------------------------------------
Common Stock, $.001    2,660,000   $2.688        $7,150,080      $1,988.00
par value per share 
(2)
- --------------------------------------------------------------------------------
Total                  2,660,000   $2.688        $7,150,080      $1,988.00
- --------------------------------------------------------------------------------


(1)   Estimated  pursuant  to Rule  457  for  the  purpose  of  calculating  the
      registration  fee only;  based upon the  average of the high and low sales
      prices for the Common Stock of V-ONE  Corporation  ("Common Stock") on the
      Nasdaq  National  Market  on  December  14,  1998.   Registration  fee  is
      calculated pursuant to Rule 457(c).

(2)   Includes  10,000 shares of Common Stock held by Andrew and Bette  Vaccaro,
      50,000  shares of Common Stock held by Elliott  Briody,  50,000  shares of
      Common  Stock held by Karl F. Fox,  50,000  shares of Common Stock held by
      Amy N. Karp,  40,000  shares of Common  Stock  held by Madison  Investment
      Partners,  L.P.,  10,000  shares of Common Stock held by Muray D. Shaewitz
      Trust, 200,000 shares of Common Stock held by Lewis M. Scott Trust, 10,000
      shares of Common Stock held by William and Dorothy Marbaker, 10,000 shares
      of Common Stock held by John H. White,  50,000 shares of Common Stock held
      by Robert E. Cleary,  30,000  shares of Common Stock held by CLFS Equities
      LLP,  10,000  shares of Common  Stock  held by Warner  Blumenthal,  20,000
      shares of Common Stock held by Garo A.  Partoyan,  50,000 shares of Common
      Stock held by Conrad A. Riemer,  20,000 shares of Common Stock held by Len
      and  Sandra  Coleman,  10,000  shares of Common  Stock  held by Richard L.
      Denton,  10,000  shares of Common Stock held by Richard J. Wright,  10,000
      shares of Common Stock held by Thomas and Kathleen Moore, 10,000 shares of
      Common  Stock held by Kathryn P.  Kaplan  Trust,  20,000  shares of Common
      Stock held by Bryan J.  O'Connor,  10,000  shares of Common  Stock held by
      Byron and Joy Crowe, 50,000 shares of Common Stock held by Stanley Shapiro
      Revocable  Trust,  50,000  shares of Common  Stock  held by Atlas  Capital
      Partners,  L.P.,  20,000 shares of Common Stock held by Albert  McCaffery,
      Jr.,  400,000  shares of Common  Stock held by  Cranshire  Capital,  L.P.,
      50,000 shares of Common Stock held by John Galt Fund, L.P.,  20,000 shares
      of Common Stock held by Louis Lang, 400,000 shares of Common Stock held by
      Joseph Lupo Profit  Sharing  Plan,  10,000  shares of Common Stock held by
      John and Susan  Rogue,  100,000  shares of Common Stock held by Thomas and
      Vicke  Horvath,  75,000  shares of Common  Stock  held by  Richard F. Fox,
      50,000  shares of Common  Stock held by Atlas II, L.P.,  50,000  shares of
      Common Stock held by William C.  Clement  Trust,  10,000  shares of Common
      Stock held by Reg W. Cordry,  27,000 shares of Common Stock held by Norman
      Fine, 15,000 shares of Common Stock held by JAD Management,  10,000 shares
      of Common  Stock held by William  Rivkin  Trust,  20,000  shares of Common
      Stock held by Jayant and Madhu Desai,  25,000  shares of Common Stock held
      by John F.  Whittemore,  17,500  shares of Common  Stock  held by Bryan T.
      Vanas,  11,250 shares of Common Stock held by Shapiro Family Trust, 10,000
      shares of Common  Stock  held by Joseph and Rosa  Lupo,  22,625  shares of
      Common Stock held by Lee and Linda DeVisser, 52,250 shares of Common Stock


                                       2
<PAGE>

      held by Lewis M.  Schott,  2,500  shares of Common  Stock  held by Burnett
      Moody,  6,875  shares of Common  Stock  held by Stanley  Shapiro,  200,000
      shares of Common Stock held by Advantage  Fund II Ltd.,  125,000 shares of
      Common  Stock held by Martin L. Clark and 150,000  shares of Common  Stock
      held by Professional Trading Services Est.

      The registrant hereby amends this  registration  statement on such date or
dates as may be necessary to delay its effective date until the registrant shall
file a further  amendment  which  specifically  states  that  this  registration
statement shall  thereafter  become effective in accordance with Section 8(a) of
the  Securities  Act of 1933 or until the  registration  statement  shall become
effective on such date as the Commission,  acting pursuant to said Section 8(a),
may determine.


================================================================================


                                      3
<PAGE>




PROSPECTUS

SUBJECT TO COMPLETION, DECEMBER 16, 1998

                                2,660,000 SHARES

                                V-ONE CORPORATION

                                  COMMON STOCK

      The  2,660,000  shares of common  stock of V-ONE  Corporation,  $0.001 par
value per share, offered through this Prospectus will be sold by certain current
shareholders of V-ONE. The shareholders  selling shares of common stock pursuant
to this offering are Andrew and Bette Vaccaro,  Elliott Broidy, Karl F. Fox, Amy
N. Karp, Madison Investment Partners,  L.P., Murray D. Schaewitz Trust, Lewis M.
Schott  Trust,  Lewis M. Schott,  William and Dorothy  Marbaker,  John H. White,
Robert E. Cleary, CLFS Equities LLP, Warner Blumenthal, Garo A. Partoyan, Conrad
A. Riemer, Len and Sandra Coleman,  Richard L. Denton, Richard J. Wright, Thomas
and Kathleen Moore,  Kathryn P. Kaplan Trust,  Bryan J. O'Connor,  Byron and Joy
Crowe,  Stanley Shapiro Revocable Trust,  Shapiro Family Trust, Stanley Shapiro,
Atlas Capital Partners,  L.P., Albert McCaffery,  Jr., Cranshire Capital,  L.P.,
John Galt Fund,  L.P., Louis Lang,  Joseph Lupo Profit Sharing Plan,  Joseph and
Rosa Lupo, John and Susan Rogue, Thomas and Vicke Horvath, Richard F. Fox, Atlas
II, L.P., William C. Clement Trust, Reg W. Cordry,  Norman Fine, JAD Management,
William  Rivkin  Trust,  Jayant and Madhu Desai,  John F.  Whittemore,  Bryan T.
Vanas, Lee and Linda DeVisser,  Burnett Moody, Martin Lane Clark, Advantage Fund
II Ltd. and  Professional  Trading  Services Est. The selling  shareholders  own
their shares  directly.  In some instances,  the shares offered pursuant to this
Prospectus  may be sold by the  pledgees,  donees  or  transferees  of or  other
successors in interest to the selling shareholders.

      None of the proceeds from this  offering will be received by V-ONE.  V-ONE
will  pay  substantially  all  of the  expenses  incident  to the  registration,
offering  and  sale  of the  shares  other  than  commissions  or  discounts  of
underwriters,  broker-dealers  or agents  and the  expenses  of  counsel  to the
selling shareholders.

      The sale of shares offered  through this Prospectus may be effected by the
selling  shareholders  from time to time in  transactions on the Nasdaq National
Market, in privately negotiated transactions or in a combination of such methods
of sale.  The  shares may be sold at fixed  prices  that may  change,  at prices
prevailing at the time of sale, at prices relating to such prevailing  prices or
at negotiated prices.

      V-ONE's  common stock is currently  listed on the Nasdaq  National  Market
under the trading  symbol  "VONE." On December 14, 1998,  the last reported sale
price for the common stock of V-ONE on the Nasdaq National Market was $2.688 per
share.

      V-ONE's   principal   executive  offices  are  located  at  20250  Century
Boulevard,  Suite 300,  Germantown,  Maryland 20874. V-ONE's telephone number is
(301) 515-5200.

      POTENTIAL  INVESTORS SHOULD CONSIDER  CAREFULLY THE RISK FACTORS BEGINNING
ON PAGE 2 OF THIS PROSPECTUS.

      NEITHER THE  SECURITIES AND EXCHANGE  COMMISSION NOR ANY STATE  SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR DETERMINED IF THIS
PROSPECTUS  IS TRUTHFUL OR  COMPLETE.  ANY  REPRESENTATION  TO THE CONTRARY IS A
CRIMINAL OFFENSE.

                                    ______________, 1998

      THE  INFORMATION  IN THIS  PROSPECTUS IS NOT COMPLETE AND MAY CHANGE.  THE
SELLING SHAREHOLDERS MAY NOT SELL THEIR SHARES UNTIL THE REGISTRATION  STATEMENT
FILED WITH THE SECURITIES AND EXCHANGE COMMISSION IS EFFECTIVE.  THIS PROSPECTUS
IS NOT AN OFFER TO SELL THESE  SECURITIES  AND IT IS NOT  SOLICITING AN OFFER TO
BUY THESE SECURITIES IN ANY STATE WHERE THE OFFER OR SALE IS NOT PERMITTED.



<PAGE>




                                      V-ONE

      V-ONE develops,  markets,  and licenses a  comprehensive  suite of network
security  products  that enables  organizations  to conduct  secured  electronic
transactions  and  information  exchange using private  enterprise  networks and
public networks, such as the Internet. V-ONE's suite of products address network
user  authentication,  perimeter  security,  access control,  and data integrity
through the use of smart cards,  firewalls,  and encryption technology.  V-ONE's
products  interoperate  seamlessly  and  can be  combined  to  form a  complete,
integrated network security solution or can be used as independent components in
customized security solutions.  V-ONE's products have been designed with an open
and flexible architecture to allow for enhanced application functionality and to
support future network security standards. In addition,  V-ONE's products enable
organizations  to deploy  and scale  their  solutions  from  small,  single-site
networks to large, multi-site environments.

      V-ONE was incorporated in Maryland in February 1993 and  reincorporated in
Delaware in February 1996.  Effective July 2, 1996,  V-ONE changed its name from
"Virtual Open Network Environment Corporation" to "V-ONE Corporation."

                                  RISK FACTORS

      V-ONE operates in a rapidly changing  environment  that involves  numerous
risks,  some of which are  beyond  V-ONE's  control.  The  following  discussion
highlights   some  of  the  risks  V-ONE   faces.   This   Prospectus   contains
"forward-looking  statements."  Such statements  involve known and unknown risks
and uncertainties that could cause V-ONE's actual performance or achievements to
differ from any future performance or achievements  expressed or implied by such
statements.  Readers should carefully consider the following Risk Factors before
purchasing  common stock of V-ONE.  Readers are also  referred to the  documents
filed by V-ONE with the SEC,  specifically V-ONE's Form 10-K for its most recent
fiscal year, which identifies important risk factors for V-ONE.

LIMITED OPERATING HISTORY; ACCUMULATED DEFICIT

      V-ONE was founded in February  1993 and  introduced  its first  product in
December  1994.  Accordingly,  V-ONE did not generate any  significant  revenues
until  1995  when it  commenced  sales of its  SmartWall  firewall  product  and
introduced its SmartGate  client/server system. Revenues for 1995, 1996 and 1997
were approximately $1,104,000, $6,266,000 and $9,403,000,  respectively, and for
the nine months ended September 30, 1998 were approximately $8,305,000.

      Net  losses  for  1995,  1996  and  1997  were  approximately  $1,122,000,
$6,696,000 and $9,998,000, respectively, and for the nine months ended September
30, 1998 were approximately $3,329,000.

      V-ONE's  growth in recent  periods  may not be an accurate  indication  of
future results of operations in light of V-ONE's short  operating  history,  the
evolving nature of the network security market and the uncertainty of the demand
for  Internet  and  intranet   products  in  general  and  V-ONE's  products  in
particular.

      As  of  September  30,  1998,   V-ONE  had  an   accumulated   deficit  of
approximately  $21,668,000.  V-ONE  currently  expects to incur  additional  net
losses over the next several quarters as a result of greater operating  expenses
incurred  to fund  research  and  development  and to  increase  its  sales  and
marketing  efforts.  The Company may need to raise  additional  capital  through
other financing activities in the short term to finance its ongoing operations.

      Because of V-ONE's  limited  operating  history,  V-ONE may not achieve or
sustain  profitability or significant  revenues.  To address these risks,  V-ONE
must,  among other  things,  continue its emphasis on research and  development,
successfully   execute  and  implement  its  marketing   strategy,   respond  to
competitive  developments  and seek to attract  and retain  talented  personnel.
V-ONE may be unable successfully to address these risks and the failure to do so
could have a material adverse effect on V-ONE's business,  financial  condition,
results of operations and cash flows.


                                       2
<PAGE>


DEPENDENCE ON KEY PERSONNEL

      V-ONE's success  depends,  to a large extent,  upon the performance of its
senior management and its technical, sales and marketing personnel, many of whom
have only recently  joined V-ONE.  There is intense  competition in the software
security  industry  to hire and retain  qualified  personnel.  V-ONE is actively
searching for additional qualified  personnel.  V-ONE's success will depend upon
its  ability  to  retain  and hire  additional  key  personnel.  The loss of the
services of key  personnel  or the  inability  to attract  additional  qualified
personnel  could  materially and adversely  effect V-ONE's results of operations
and product development efforts.

      V-ONE has entered into  employment  agreements  with  Jieh-Shan  Wang, its
Senior Vice  President  and Chief  Technical  Officer,  as well as with David D.
Dawson,  its  Chairman  of the Board,  President  and Chief  Executive  Officer,
Charles B. Griffis,  its Senior Vice President and Chief Financial Officer,  and
Robert F.  Kelley,  its Vice  President of  Engineering,  that provide for fixed
terms of employment.  However, V-ONE has not historically provided such types of
employment  agreements to its other  employees,  including  its other  executive
officers.  This may adversely  impact V-ONE's  ability to attract and retain the
necessary technical, management and other key personnel.

MANAGEMENT OF GROWTH

      V-ONE has recently experienced and may continue to experience  substantial
growth in the number of its employees and the scope of its operations, resulting
in  increased  responsibilities  for  management  and added  pressure on V-ONE's
operating  and  financial  systems.  As of  September  30,  1998,  V-ONE  had 81
employees,  as compared to 83, 77, 34 and 7 employees on January 1, 1998,  1997,
1996 and 1995, respectively.

      To manage  growth  effectively,  V-ONE  needs to  continue  to improve its
operational,  financial and management  information  systems and to hire, train,
motivate and manage a growing  number of employees.  Competition  is intense for
qualified technical,  marketing and management personnel. V-ONE may be unable to
achieve or manage any future  growth.  Its failure to do so could delay  V-ONE's
product development cycles and marketing efforts.

      V-ONE is not  currently  involved in  negotiations  for any  acquisitions.
However,  V-ONE may undertake  acquisitions in the future.  Any such transaction
would place additional strains upon V-ONE's management.

ANTICIPATED FLUCTUATIONS IN QUARTERLY RESULTS

      As a result of  V-ONE's  limited  operating  history,  V-ONE does not have
historical  financial data for a significant  number of periods on which to base
planned  operating  expenses.  Accordingly,  V-ONE's expense levels are based in
part on its expectations as to future revenues.

      V-ONE's  quarterly  sales and operating  results  generally  depend on the
number of orders received within the quarter,  and V-ONE's ability to fill these
orders.  Forecasts  of orders  are not always  accurate.  V-ONE may be unable to
adjust  spending in a timely manner to  compensate  for any  unexpected  revenue
shortfall. Accordingly, any significant shortfall of demand for V-ONE's products
in relation to V-ONE's expectations could adversely effect V-ONE.

      V-ONE expects to experience  significant  fluctuations in future quarterly
operating results. This may be caused by a number of factors, such as:

      .    the pricing and mix of products and services sold,

      .    the introduction of new products by V-ONE and its competitors,

      .    the timing of orders and the shipment of products,

      .    market acceptance of V-ONE's products,


                                       3
<PAGE>


      .    the ability of V-ONE's direct sales force and resellers to market its
           products successfully,

      .    the mix of distribution channels used, and

      .    other factors that may be beyond V-ONE's control.

      As a  result,  comparisons  of  quarterly  operating  results  may  not be
meaningful and should not be relied upon as they may not reflect  V-ONE's future
performance. It is likely that in some future quarters V-ONE's operating results
will be below the expectations of public market analysts and investors.  In such
event, the price of V-ONE's Common Stock would likely be adversely effected.

DEPENDENCE ON THE INTERNET AND INTRANETS

      V-ONE's success depends  substantially  upon the market  acceptance of the
Internet and intranets as mediums for commerce and communication. Although V-ONE
believes  that its  software  security  products  will  facilitate  commerce and
communication  over the Internet and intranets,  commerce and communication over
the  Internet  and  intranets  may not expand and  V-ONE's  products  may not be
adopted for security purposes.

      The  Internet  also may not  prove to be a viable  commercial  marketplace
because of inadequate  development  of the necessary  infrastructure,  such as a
reliable  network backbone or timely  development of complementary  products and
services.  If the Internet  and  intranets do not develop as mediums of commerce
and  communication  or the  Internet  does not  develop  as a viable  commercial
marketplace, V-ONE's business, financial condition and results of operations may
be adversely effected.

RISKS ASSOCIATED WITH THE EMERGING NETWORK SECURITY MARKET

      The market for V-ONE's  products is in an early stage of development.  The
rapid  development of Internet and intranet  computing has increased the ability
of users to  access  proprietary  information  and  resources  and has  recently
increased demand for network security  products.  Because the market for network
security  products is only  beginning to develop.  It is difficult to assess the
size of the market,  the product features desired by the market,  the best price
structure  for  V-ONE's  products,   the  best  distribution  strategy  and  the
competitive environment that will develop in this market.

      The demand for V-ONE's  products could decline as a result of competition,
technological change, the public's perception of the need for security products,
developments  in the hardware and software  environments in which these products
operate,  general  economic  conditions or other factors beyond V-ONE's control.
Any such decline would adversely effect V-ONE.

DEPENDENCE ON PRINCIPAL PRODUCTS; UNCERTAINTY OF PRODUCT ACCEPTANCE

      V-ONE  currently  generates  most of its revenues  from its  SmartWall and
SmartGate products.  SmartWall and SmartGate have met with a favorable degree of
market  acceptance  since sales of SmartWall  commenced in the first  quarter of
1995 and since SmartGate was introduced in the fourth quarter of 1995.  However,
SmartWall  or  SmartGate  may not  continue to be  accepted  in the  future.  In
addition,  any or all of V-ONE's other current or future  products could fail to
win market acceptance.

      V-ONE's success  depends,  in part, on V-ONE's ability to design,  develop
and introduce new products,  services and enhancements on a timely basis to meet
changing  customer  needs,  technological  developments  and  evolving  industry
standards.


                                       4
<PAGE>

INTELLECTUAL PROPERTY RIGHTS; INFRINGEMENT CLAIMS

      V-ONE  relies on  trademark,  copyright,  patent  and trade  secret  laws,
employee and third-party  non-disclosure agreements and other methods to protect
the rights of V-ONE and the companies from which V-ONE licenses  technology.  In
addition, others may independently develop similar technologies or duplicate any
technology developed by V-ONE.

      Prosecution of patent  applications and any other patent  applications may
require the expenditure of substantial resources. For example, the issuance of a
patent may require 24 months or longer.  During this period,  V-ONE's technology
may become obsolete.  Pending or future patent  applications may not be granted,
future patents may be challenged,  invalidated  or  circumvented  and the rights
granted may not provide competitive advantages to V-ONE.

      V-ONE  currently  holds  patents on its Wallet  Technology,  its SmartGate
technology, its Smartcard Technology, and its On-Line Registration technology.

      V-ONE currently intends to pursue patent protection  outside of the United
States  for  the   technology   covered  by  the  most  recently   filed  patent
applications.  This protection may not be granted. Even if it is granted, it may
not adequately protect the covered  technology.  V-ONE's success also depends on
its software  technology  and  technology  licensed  from others.  V-ONE's trade
secrets,  license  agreements  and  non-disclosure  agreements  may not  provide
appropriate protection for V-ONE's technology or the technology it licenses from
others.  Further,  V-ONE relies on license agreements that are not signed by the
end  user  to  license  V-ONE's  products.   These  license  agreements  may  be
unenforceable under the laws of certain jurisdictions.

      Further,  V-ONE may be subject to  additional  risk as V-ONE  enters  into
transactions  in  countries  where  intellectual  property  laws  are  not  well
developed or are poorly  enforced.  Legal  protections  of V-ONE's rights may be
ineffective  in foreign  markets and  technology  developed  by V-ONE may not be
protectable in foreign jurisdictions.

      V-ONE believes that, due to the rapid pace of technological innovation for
network security products,  V-ONE's ability to establish and maintain a position
of  technology  leadership  in the  industry  depends  more on the skills of its
development  personnel  than upon legal  protections  afforded  its  existing or
future technology.

      As the number of  security  products  in the  industry  increases  and the
functionality of these products overlap,  software developers may become subject
to  infringement  claims.  Third parties may in the future  assert  infringement
claims against V-ONE with respect to current or future products.  V-ONE also may
desire or be required to obtain  licenses  from others.  Failure to obtain those
licenses could adversely effect V-ONE's ability to market its software  security
products.  However, V-ONE may be unable to obtain these licenses on commercially
reasonable terms, if at all. In addition,  the patents  underlying such licenses
may not be valid or  enforceable  and the  proprietary  nature of the unpatented
technology underlying such licenses may not remain proprietary.

      Any claims or  litigation  could be costly and could result in a diversion
of management's  attention.  Adverse determinations in such claims or litigation
could also adversely effect V-ONE.

RISK OF ERRORS OR FAILURES; PRODUCT LIABILITY RISKS

      The complex nature of V-ONE's software  products can make the detection of
errors or failures difficult when products are introduced. If errors or failures
are subsequently discovered,  this may result in delays and lost revenues during
the correction process. In addition, technology licensed by V-ONE for use in its
products may contain errors that adversely effect such products. Despite testing
by V-ONE and current and prospective  customers,  errors may still be discovered
in new products or releases after  commencement  of commercial  shipments.  This
might result in delay,  adverse publicity,  loss of market acceptance and claims
against V-ONE.


                                       5
<PAGE>


      A malfunction or the inadequate design of V-ONE's products could result in
tort or warranty  claims.  V-ONE  generally  attempts to reduce the risk of such
losses to itself and to the  companies  from  which  V-ONE  licenses  technology
through  warranty  disclaimers and liability  limitation  clauses in its license
agreements.  V-ONE may not have obtained adequate contractual  protection in all
instances or where otherwise  required under  agreements  V-ONE has entered into
with  others.  In  addition,  these  measures  may not be  effective in limiting
V-ONE's  liability to end users and to the companies  from which V-ONE  licenses
technology.

      V-ONE  currently  has  product  liability  insurance.   However,   V-ONE's
insurance  coverage may not be adequate and any product  liability claim against
V-ONE for damages  resulting  from security  breaches could be  substantial.  In
addition, a well-publicized  actual or perceived security breach could adversely
effect  the  market's  perception  of  security  products  in general or V-ONE's
products  in  particular.  This could  result in a decline in demand for V-ONE's
products.

CHANGES IN TECHNOLOGY AND INDUSTRY STANDARDS; RISK OF NEW PRODUCT INTRODUCTION

      The network security industry is characterized by rapid changes, including
evolving  industry  standards,  frequent new product  introductions,  continuing
advances in technology  and changes in customer  requirements  and  preferences.
Advances in techniques by individuals and entities seeking to gain  unauthorized
access to networks could expose V-ONE's existing  products to new and unexpected
attacks and require  accelerated  development of new products or enhancements to
existing products.

      V-ONE may be unable to counter challenges to its current products. V-ONE's
future  products may not keep pace with  technological  changes  implemented  by
competitors or persons seeking to breach network security.  Its products may not
satisfy  evolving  consumer  preferences  and  V-ONE  may not be  successful  in
developing and marketing products for any future technology.  Failure to develop
and  introduce  new products and improve  current  products in a timely  fashion
could adversely effect V-ONE.

RISK OF DEFECTS AND DEVELOPMENT DELAYS

      V-ONE may experience schedule overruns in software  development  triggered
by  factors   such  as   insufficient   staffing   or  the   unavailability   of
development-related software, hardware or technologies. Further, when developing
new software products,  V-ONE's development schedules may be altered as a result
of the  discovery  of  software  bugs,  performance  problems  or changes to the
product specification in response to customer requirements,  market developments
or Company initiated changes.

      Changes in product  specifications  may delay completion of documentation,
packaging  or  testing.  This may, in turn,  affect the release  schedule of the
product.

      When developing complex software products, the technology market may shift
during the  development  cycle,  requiring  V-ONE  either to enhance or change a
product's  specifications  to meet a  customer's  changing  needs.  All of these
factors  may cause a product  to enter the  market  behind  schedule,  which may
adversely effect market  acceptance of the product or place it at a disadvantage
to a  competitor's  product  that has  already  gained  market  share or  market
acceptance during the delay.

EVOLVING DISTRIBUTION CHANNELS

      V-ONE  relies  on its  direct  sales  force and its  channel  distribution
strategy for the sale and marketing of its products.  V-ONE  continues to add to
its internal  sales and marketing  staff in order to increase  sales through its
channel  distribution  strategy.  The  cost of such  expansion  may  exceed  the
revenues generated,  and V-ONE's sales and marketing  organization may be unable
to successfully  compete  against the more extensive and  well-funded  sales and
marketing operations of certain of its current and future competitors.

      V-ONE's  distribution  strategy  involves the development of relationships
with resellers and  international  distributors to enable V-ONE to achieve broad
market penetration. V-ONE continues to expand its reseller distribution channel.


                                       6
<PAGE>


However,  V-ONE may be unable to continue to attract  integrators  and resellers
that  will be able to  market  V-ONE's  products  effectively  and that  will be
qualified to provide timely and cost-effective customer support and service.

      V-ONE ships products to distributors, integrators and resellers on receipt
of a purchase-order,  and its distributors,  integrators and resellers generally
carry competing product lines. Current  distributors,  integrators and resellers
may not continue to represent V-ONE's products. The inability to recruit, or the
loss of, important sales personnel, distributors, integrators or resellers could
adversely effect V-ONE.

      Due to certain  worldwide  economic  factors,  V-ONE may from time to time
experience  difficulty  in collecting  its  receivables  on a timely  basis.  If
collection is not probable at the time V-ONE ships its product, as determined by
management, V-ONE defers the revenue. V-ONE continues to focus on the collection
of its receivables on a timely basis. However, if V-ONE is unable to collect its
receivables  on a timely  basis,  it could  have an  adverse  effect on  V-ONE's
financial condition, results of operations and cashflows.

INTERNATIONAL SALES

      V-ONE  has  increased  its  presence  in  overseas  markets  by  expanding
international distribution  relationships for its products,  including SmartWall
and SmartGate.  V-ONE may not be successful in expanding its relationships  with
international  distributors or in gaining commercial  acceptance of its products
abroad.

      As V-ONE expands international sales, currency fluctuations could make its
products less  competitive in foreign  markets and contribute to fluctuations in
V-ONE's operating results.  Political instability,  difficulties in staffing and
managing  international   operations,   potential  insolvency  of  international
resellers,  longer  receivable  collection  periods and difficulty in collecting
accounts  receivable  also  pose  risks  to  the  development  of  international
marketing efforts.  Moreover, the laws of certain countries,  or the enforcement
thereof,  may not protect V-ONE's products and  intellectual  property rights to
the same extent as the laws of the United  States.  These  factors may adversely
effect V-ONE.

LONG SALES CYCLE; SEASONALITY

      Sales of V-ONE's products  generally  involve a significant  commitment of
capital by its  customers.  For sales by V-ONE's  sales  force  directly  to end
users,  V-ONE often permits  customers to evaluate products being considered for
license,  generally for a period of up to 30 days.  For these and other reasons,
the sales cycle  associated  with  V-ONE's  products is likely to be lengthy and
subject  to a number of  significant  risks  over  which  V-ONE has little or no
control.  As a result,  V-ONE believes that its quarterly  results are likely to
vary significantly in the future.

      V-ONE may be required to ship products  shortly after it receives  orders.
Consequently,  order  backlog,  if  any,  at the  beginning  of any  period  may
represent only a small portion of that period's expected revenues.  As a result,
product revenues in any period will be substantially  dependent on orders booked
and shipped in that period.

      V-ONE  plans  its  production  and  inventory  levels  based  on  internal
forecasts of customer demand,  which is highly  unpredictable  and can fluctuate
substantially.  If revenues fall significantly below anticipated levels, V-ONE's
financial  condition,  results of  operations  and cash flows could be adversely
effected.  In addition,  V-ONE may  experience  significant  seasonality  in its
business,  and V-ONE's  financial  condition  and results of  operations  may be
effected by such trends in the future.  Such trends may include higher  revenues
in the third and fourth quarters of the year and lower revenues in the first and
second quarters. V-ONE believes that revenues may tend to be higher in the third
quarter  due to the  fiscal  year end of the U.S.  government  and higher in the
fourth  quarter  due to  year-end  budgetary  pressures  on  V-ONE's  commercial
customers and the tendency of certain of its existing and prospective  customers
to  implement  changes in computer or network  security  prior to the end of the
calendar year.


                                       7
<PAGE>

DEPENDENCE ON A FEW CUSTOMERS

      V-ONE  tends  to  have  a few  large  customers  rather  than  many  small
customers.  Approximately  34% of 1997  sales  were to two  customers,  Internet
Solutions and  Government  Technology  Services,  Inc. A change in the financial
condition of a key customer, or the termination of its contractual  arrangements
with a key customer, could adversely affect V-ONE.

RISK OF SALES TO GOVERNMENTS

      In 1995, V-ONE derived a substantial  portion of its revenue from the sale
of SmartWall to departments  and agencies of the U.S.  government and government
contractors. In 1996, V-ONE's revenues were attributable, in part, to a contract
with the National Security Agency. In 1997,  approximately  one-third of V-ONE's
total sales were attributable to contracts with various agencies and departments
of the  United  States  government  and of state  and  local  governments.  This
proportionate relationship has continued through September 30, 1998.

      No government  agency or department has an obligation to purchase products
from V-ONE in the future.  Accordingly,  V-ONE  believes that future  government
contracts  and orders for its network  security  products will in part depend on
the continued  favorable reaction of government  agencies and departments to the
development  capabilities of V-ONE and the reliability and perceived reliability
of its products.

      V-ONE may be unable to sell its  products to  government  departments  and
agencies and government  contractors  and such sales,  if any, may not result in
commercial acceptance of V-ONE's products. In addition,  reductions or delays in
funds  available  for projects  V-ONE is  performing or to purchase its products
could adversely impact V-ONE's government contracts business.

      Contracts  involving the U.S.  government are also subject to the risks of
disallowance of costs upon audit,  changes in government  procurement  policies,
the  necessity  to  participate  in  competitive  bidding  and,  with respect to
contracts involving prime contractors or  government-designated  subcontractors,
the  inability of such parties to perform under their  contracts.  V-ONE is also
exposed to the risk of increased or unexpected costs,  causing losses or reduced
profits,  under  government  and  certain  third-party  contracts.  Any  of  the
foregoing events could adversely effect V-ONE.

EFFECT OF GOVERNMENT REGULATION OF TECHNOLOGY EXPORTS

      V-ONE  currently  sells its  products  abroad and  intends to  continue to
expand its relationships with international distributors.  V-ONE's international
sales  and  operations  could be  subject  to risks  such as the  imposition  of
governmental controls,  export license requirements,  restrictions on the export
of  critical   technology,   trade  restrictions  and  changes  in  tariffs.  In
particular,  V-ONE's  information  security  products  are subject to the export
restrictions   administered   by  the  U.S.   Department   of  Commerce.   These
restrictions,  in the case of some  products,  permit the  export of  encryption
products only with a specific export license.

      These  export laws also  prohibit the export of  encryption  products to a
number of countries,  individuals and entities and may restrict  exports of some
products to a narrow range of end-users.  In certain foreign countries,  V-ONE's
distributors  are  required  to  secure  licenses  or formal  permission  before
encryption products can be imported.

      V-ONE has obtained a license  exception to export strong  encryption  from
the U. S.  Department of Commerce on a worldwide  basis  (exception to the seven
terrorist  countries)  as long  as the end  user  agrees  to use the  KRAKit(TM)
session key recreation capability.  Foreign competitors that face less stringent
controls on their products may be able to compete more effectively than V-ONE in
the global network security market.


                                       8
<PAGE>

MARKET VOLATILITY

      The  market  price of V-ONE's  Common  Stock has been and is  expected  to
continue to be subject to significant  fluctuations in response to variations in
quarterly  operating  results and other factors,  such as  announcements  of new
products by V-ONE or its  competitors  and  changes in  financial  estimates  by
securities analysts or other events.  Moreover, the stock market has experienced
extreme  volatility that has  particularly  effected the market prices of equity
securities  of  many  technology  companies.  This  volatility  has  often  been
unrelated and  disproportionate to the operating  performance of such companies.
Broad market  fluctuations,  as well as economic conditions generally and in the
software industry specifically, may adversely effect the market price of V-ONE's
Common Stock.

LACK OF DIVIDENDS

      V-ONE has never declared or paid cash dividends on its Common Stock. V-ONE
intends to continue to retain  earnings to finance growth and development of its
business and does not  anticipate  paying cash  dividends on its Common Stock in
the foreseeable  future. Any payment of cash dividends on shares of Common Stock
in the future will depend on V-ONE's financial condition,  capital requirements,
earnings, restrictions under loan agreements, and other factors V-ONE's Board of
Directors may consider appropriate.

YEAR 2000 ISSUE

      The Year 2000  issue  concerns  the  potential  exposures  related  to the
automated generation of business and financial misinformation resulting from the
application of computer  programs that have been written using six digits (e.g.,
12/31/99),  rather than eight (e.g., 12/31/1999),  to define the applicable year
of business transactions.

      V-ONE has completed the  identification  and  assessment of most of its IT
systems,  and those systems have been modified by the suppliers of those systems
to V-ONE to address Year 2000  problems.  In addition to its  internal  systems,
V-ONE has begun to assess the level of Year 2000  problems  associated  with its
suppliers  of  software  incorporated  or  bundled  with  its  products,   other
suppliers,  customers and creditors.  V-ONE has also started its  identification
and  assessment of its non-IT  systems,  which  include its  telephone  systems,
heating and air-conditioning, elevators, and other business equipment.

      V-ONE's own software products are Year 2000 compliant.

      V-ONE's costs to date for its Year 2000 compliance program,  excluding the
salaries of its employees,  has not been material.  In fact,  most of V-ONE's IT
systems  have  been  modified  by  the  suppliers  of  those  systems  and  such
modifications  were  included  as part of  normal  upgrades  of  those  systems.
Although V-ONE has not completed its assessment,  it does not currently  believe
that the future  costs  associated  with its  remaining IT systems or its non-IT
systems will be material.

      V-ONE  cannot  determine  currently  its most likely  worst case Year 2000
scenario, as it has not identified and assessed all of its systems, particularly
its non-IT  systems.  As V-ONE  completes its  identification  and assessment of
internal and third party systems,  it expects to develop  contingency  plans for
various  worst-case  scenarios.  V-ONE  expects  to  complete  such  contingency
planning by September  1999. A failure to address Year 2000 issues  successfully
could have a material adverse effect on V-ONE's business,  financial  condition,
results of operations or cash flows.

EFFECTS OF CERTAIN PROVISIONS OF THE CERTIFICATE OF INCORPORATION, BYLAWS 
AND DELAWARE LAW

      Certain provisions of V-ONE's Amended  Certificate of Incorporation and of
Delaware  law could  delay or make  difficult  a merger,  tender  offer or proxy
contest  involving  V-ONE.  Among  other  things,  these  provisions  include  a
classified board, prohibitions on removing directors except for cause, and other
requirements.


                                       9
<PAGE>


                               RECENT DEVELOPMENTS

      On November 20, 1998,  V-ONE sold  1,860,000  shares of its Common  Stock,
$0.001 par value per share  ("Common  Stock"),  at $2.00 per share to a group of
accredited  investors pursuant to its Placement Agent Agreement dated October 9,
1998,  as  amended,  between  the  Company  and  LaSalle  St.  Securities,  Inc.
("LaSalle").  The  shares of Common  Stock  were  sold  pursuant  to Rule 506 of
Regulation D ("Rule  506")  promulgated  under the  Securities  Act of 1933,  as
amended ("Securities Act"). The Company received $3,366,600 in net sale proceeds
after   payment  of   commissions   of  8%  of  the  gross  sale   proceeds  and
non-accountable expense allowance of 1.5% of the gross sale proceeds to LaSalle.

      LaSalle also received  warrants in the aggregate to purchase 50,000 shares
of Common Stock at an exercise  price of $2.125 per share.  These  warrants were
issued  pursuant to Rule 506 of  Regulation D promulgated  under the  Securities
Act.

      On November 20, 1998,  the Company also redeemed  2,462 shares of Series A
Convertible  Preferred  Stock ("Series A Shares") held by Advantage Fund II Ltd.
("Advantage")  for $1,300 per share or $3,200,600  in the aggregate  pursuant to
the terms of the Waiver  Agreement  dated as of  September  22, 1998 between the
Company and Advantage.  Advantage  waived all accrued  dividends on the Series A
Shares.  The  Series  A  Shares  represented  all  of the  shares  of  Series  A
Convertible Preferred Stock that were outstanding on the date of redemption.

      Between  December 1, 1998 and December 11, 1998 V-ONE sold 675,000  shares
of Common Stock at $2.00 per share to a group of accredited  investors  pursuant
to Rule 506 ("December Offering"). The sale raised $1,350,000 in gross proceeds.
V-ONE paid  $42,000 in finders  fees in the  aggregate  in  connection  with the
December  Offering to LaSalle and Coldwater  Capital LLC. The  $1,308,000 in net
proceeds  raised  in the  December  Offering  will be used by V-ONE  as  working
capital.

                       WHERE YOU CAN FIND MORE INFORMATION

      A Registration Statement on Form S-3 (the "Registration Statement"), under
the Securities  Act relating to the securities  offered hereby has been filed by
V-ONE with the Securities and Exchange  Commission  ("SEC") in Washington,  D.C.
This  Prospectus  does  not  contain  all of the  information  set  forth in the
Registration  Statement and its exhibits and  schedules.  Certain  financial and
other  information  relating to V-ONE is  contained in the  documents  indicated
below under  "Incorporation of Certain Documents by Reference." This information
is  not  presented  in  this  Prospectus  or  delivered  with  it.  For  further
information with respect to V-ONE and the securities  offered hereby,  reference
is made to such Registration Statement, exhibits and schedules.

      Statements contained in this Prospectus as to the contents of any contract
or other document  referred to are not  necessarily  complete.  In each instance
reference  is made to the  copy of such  contract  or  other  document  filed as
exhibits to the Registration  Statement,  each such statement being qualified in
all respects by such reference.

      A copy of the  Registration  Statement may be inspected  without charge or
may be obtained from the SEC upon the payment of certain fees  prescribed by the
SEC at the public reference facilities maintained by the SEC in Washington, D.C.
at Judiciary Plaza, 450 Fifth Street,  N.W.,  Washington,  D.C. 20549 and at the
SEC's  Regional  Offices in New York at 7 World Trade  Center,  Suite 1300,  New
York, New York 10048 and in Chicago at Citicorp Center, 500 West Madison Street,
Suite 1400, Chicago, Illinois 60661.

      V-ONE is  subject  to the  informational  requirements  of the  Securities
Exchange Act of 1934,  as amended  ("Exchange  Act").  Accordingly,  V-ONE files
periodic  reports,  proxy  statements and other  information  with the SEC. Such
reports,  proxy  statements  and  other  information  concerning  V-ONE  may  be
inspected or copied at the Public Reference facilities at the SEC located at 450
Fifth Street, N.W., Washington,  D.C. 20549. Information on the operation of the
Public  Reference  Room may be obtained  by calling  the SEC at  1-800-SEC-0330.
Copies of such documents can be obtained at the Public Reference  section of the
SEC at 450 Fifth Street, N.W., Washington, D.C. 20549, at prescribed rates or by
reference to V-ONE on the SEC's Worldwide Web page (http://www.sec.gov).


                                       10
<PAGE>

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

      The following documents,  which have been filed by V-ONE with the SEC, are
incorporated in this Prospectus by reference:

     (1)  V-ONE's Annual Report on Form 10-K for the year ended December 31, 
          1997;

     (2)  V-ONE's Quarterly Report on Form 10-Q for the three months ended March
          31, 1998;

     (3)  V-ONE's  Quarterly  Report on Form 10-Q for the six months  ended June
          30, 1998;

     (4)  V-ONE's  Quarterly  Report  on Form  10-Q  for the nine  months  ended
          September 30, 1998;

     (5)  V-ONE's Current Report on Form 8-K filed May 14, 1998;

     (6)  V-ONE's Current Report on Form 8-K filed September 25, 1998;

     (7)  V-ONE's Current Report on Form 8-K filed November 9, 1998;

     (8)  V-ONE's Current Report on Form 8-K filed November 24, 1998;

     (9)  V-ONE's Current Report on Form 8-K filed December 16, 1998; and

     (10) The   description  of  V-ONE's  Common  Stock   contained  in  V-ONE's
          Registration  Statement on Form 8-A filed on October 9, 1996, pursuant
          to Section 12(g) of the Exchange Act.

      All reports and other  documents  subsequently  filed by V-ONE pursuant to
Sections 12, 13(a), 13(c), 14 and 15(d) of the Exchange Act, prior to the filing
of a post-effective  amendment that indicates that all securities offered hereby
have been sold or that  deregisters  all securities then remaining  unsold,  are
deemed to be  incorporated  by reference in and to be a part of this  Prospectus
from the date of filing of such reports and documents.  Any statement  contained
in a document  incorporated  or deemed to be  incorporated  by reference in this
Prospectus  is  deemed  to be  modified  or  superseded  for  purposes  of  this
Prospectus to the extent that a statement contained in this Prospectus or in the
Registration  Statement  containing this Prospectus or in any other subsequently
filed document that also is or is deemed to be incorporated by reference in this
Prospectus  modifies or supersedes such statement.  Any statement so modified or
superseded is not deemed,  except as so modified or superseded,  to constitute a
part of this Prospectus.

      V-ONE will provide  without charge to each person to whom this  Prospectus
is delivered,  upon the written or oral request of such person, a copy of any or
all of the  foregoing  documents  referred  to above  that  have  been or may be
incorporated  in this  Prospectus by reference.  Exhibits to such documents will
not be provided (unless such exhibits are specifically incorporated by reference
into the  information  that this  Prospectus  incorporates).  Requests  for such
documents  should be directed to: V-ONE  Corporation,  20250 Century  Boulevard,
Germantown, Maryland 20874, attention: Charles B. Griffis, Senior Vice President
and Chief Financial Officer. Mr. Griffis' telephone number is (301) 515-5243.

                              SELLING STOCKHOLDERS

      The  following  table  sets  forth the names of the  shareholders  selling
shares of Common Stock in this offering ("Selling Stockholders"),  the number of
shares of Common  Stock  beneficially  owned by each Selling  Stockholder  as of
December  1, 1998 and the  number of shares of Common  Stock that may be offered
for  sale  pursuant  to  this  Prospectus  by  each  such  Selling   Stockholder
("Shares"). Except as set forth below, none of the Selling Stockholders has held
any position,  office or other  material  relationship  with V-ONE or any of its
affiliates within the past three years other than as a result of the transaction
that results in its ownership of shares of Common Stock.


                                       11
<PAGE>

      The Shares may be offered  from time to time by the  Selling  Stockholders
named below.  However,  the Selling Stockholders are under no obligation to sell
all or any portion of such Shares, nor are the Selling Stockholders obligated to
sell any such Shares immediately pursuant to the Registration Statement of which
this Prospectus forms a part.  Because the Selling  Stockholders may sell all or
part of their  Shares,  no  estimate  can be given as to the number of shares of
Common Stock that will be held by any Selling  Stockholder  upon  termination of
any offering made hereby.



<PAGE>


                                                       Common Stock Beneficially
                                                        Owned After Offering (1)
                                                       -------------------------

                         Shares of Common
                         Stock Beneficially                            Percent
Name of Selling           Owned Prior to     Common Stock                of
Stockholder               Offering          Offered Hereby   Number  Outstanding
- --------------------------------------------------------------------------------

Andrew and Bette Vaccaro      10,000          10,000             0          *

Elliott Broidy                50,000          50,000             0          *

Karl F. Fox                   50,000          50,000             0          *

Amy N. Karp                   50,000          50,000             0          *

Madison Investment            40,000          40,000             0          *
Partners, L.P.

Murray D. Schaewitz Trust     10,000          10,000             0          *

Lewis M. Schott Trust        567,420         200,000       367,420          2.2

Lewis M. Schott              692,670(2)       52,250       440,420(3)       2.7

William and Dorothy Marbaker  10,000          10,000             0          *

John H. White                 10,000          10,000             0          *

Robert E. Cleary              50,000          50,000             0          *

CLFS Equities LLP             30,000          30,000             0          *

Warner Blumenthal             10,000          10,000             0          *

Garo A. Partoyan              20,000          20,000             0          *

Conrad A. Riemer              50,000          50,000             0          *

Len and Sandra Coleman        20,000          20,000             0          *

Richard L. Denton             10,000          10,000             0          *

Richard J. Wright             10,000          10,000             0          *

Thomas and Kathleen Moore     10,000          10,000             0          *

Kathryn P. Kaplan Trust       10,000          10,000             0          *

Bryan J. O'Connor             20,000          20,000             0          *

Bryon and Joy Crowe           10,000          10,000             0          *

Stanley Shapiro Revocable    122,083          50,000        72,083          *
Trust

Shapiro Family Trust          93,568          11,250        82,318          *

Stanley Shapiro              135,458(4)        6,875        78,583(5)       *

Atlas Capital Partners, L.P.  50,000          50,000             0          *

Albert McCaffery, Jr.         20,000          20,000             0          *

Cranshire Capital, L.P.      400,000         400,000             0          *

John Galt Fund, L.P.          50,000          50,000             0          *


                                       12
<PAGE>



                                                       Common Stock Beneficially
                                                        Owned After Offering (1)
                                                       -------------------------

                         Shares of Common
                         Stock Beneficially                            Percent
Name of Selling           Owned Prior to     Common Stock                of
Stockholder               Offering          Offered Hereby   Number  Outstanding
- --------------------------------------------------------------------------------

Louis Lang                    20,000          20,000             0          *

Joseph Lupo Profit           495,000         400,000        95,000          *
Sharing Plan

Joseph and Rosa Lupo          10,000          10,000             0          *

John and Susan Rogue          10,000          10,000             0          *

Thomas and Vicke Horvath     100,000         100,000             0          *

Richard F. Fox                75,000          75,000             0          *

Atlas II, L.P.                50,000          50,000             0          *

William C. Clement Trust      50,000          50,000             0          *

Reg W. Cordry                 10,000          10,000             0          *

Norman Fine                   39,521          27,000        12,521          *

JAD Management                15,000          15,000             0          *

William Rivkin Trust          10,000          10,000             0          *

Jayant and Madhu Desai        20,000          20,000             0          *

John F. Whittemore            95,000          25,000        70,000          *

Bryan T. Vanas                77,500          17,500        60,000          *

Professional Trading         150,000         150,000             0          *
Services Est.                                      

Lee and Linda DeVisser       180,481          22,625       157,856          1.0

Martin Lane Clark            125,000         125,000             0          *

Advantage Fund II Ltd.       833,576(6)      200,000       633,576(7)       3.8

Burnett Moody                 25,762           2,500        23,262          *
                                                     
- --------------------------------------------------------------------------------

*    Less than 1%.

(1)  Assumes the sale of all Shares.

(2) Includes  52,250  shares of Common  Stock owned by Lewis M. Schott,  567,420
shares of Common Stock owned by the Lewis M. Schott  Trust and 73,000  shares of
Common Stock owned by the Lewis Schott Foundation.

(3) Includes  367,420  shares of Common Stock owned by the Lewis M. Schott Trust
and 73,000 shares of Common Stock owned by the Lewis Schott Foundation.

(4) Includes  13,375 shares of Common Stock owned by Stanley Shapiro and 122,083
shares of Common Stock owned by the Stanley Shapiro Revocable Trust.

(5) Includes  6,500  shares of Common Stock owned by Stanley  Shapiro and 72,083
shares of Common Stock owned by the Stanley Shapiro Revocable Trust.

(6) As of December 14, 1998 includes  633,576 shares of Common Stock issuable on
exercise  of  warrants to  purchase  Common  Stock and 200,000  shares of Common
Stock.



                                       13
<PAGE>


(7) Includes  633,576 shares of Common Stock issuable on exercise of warrants to
purchase Common Stock.


                                 USE OF PROCEEDS

      There  will be no  proceeds  to V-ONE  from the sale of the  Shares by the
Selling  Stockholders.  Any proceeds from the sales of Common Stock  received by
the Selling Stockholders will be retained by the Selling Stockholders.

      V-ONE  will  pay  substantially  all  of  the  expenses  incident  to  the
registration,  offering  and  sale  of the  Shares  to  the  public  other  than
commissions  or  discounts  of  underwriters,  broker-dealers  or agents and the
expenses of counsel to the Selling Stockholders.  Such expenses are estimated to
be approximately $47,000.00.  V-ONE has also agreed to indemnify certain Selling
Stockholders  against  certain  liabilities,  including  liabilities  under  the
Securities Act.

                              PLAN OF DISTRIBUTION

      The Shares are being  offered on behalf of the Selling  Stockholders,  and
V-ONE will not receive any proceeds from this  offering.  See "Use of Proceeds."
The  Shares  may be  sold or  distributed  from  time  to  time  by the  Selling
Stockholders,  or by pledgees,  donees or tranferees of, or other  successors in
interest  to,  the  Selling  Stockholders,  directly  to one or more  purchasers
(including  pledgees) or through  brokers,  dealers or underwriters  who may act
solely  as  agents  or may  acquire  Shares  as  principals,  at  market  prices
prevailing  at the time of sale,  at prices  related to such  prevailing  market
prices, at negotiated prices, or at fixed prices, which may be changed.

      The  distribution  of the  Shares  may be  effected  in one or more of the
following methods: (1) ordinary brokers' transactions, which may include long or
short sales;  (2)  transactions  involving cross or block trades or otherwise on
the Nasdaq National Market or on any other stock exchange or trading facility on
which the Common  Stock may be trading;  (3)  purchases  by brokers,  dealers or
underwriters  as principal and resale by such  purchasers for their own accounts
pursuant to this Prospectus;  (4) "at the market" to or through market makers or
into an existing  market for the Common  Stock;  (5) in other ways not involving
market  makers  or  established  trading  markets,  including  direct  sales  to
purchasers  or sales  effected  through  agents;  (6)  through  transactions  in
options, swaps or other derivatives (whether  exchange-listed or otherwise);  or
(7) any combination of the foregoing,  or by any other legally  available means.
In addition,  the Selling Stockholders or their successors in interest may enter
into hedging  transactions with  broker-dealers who may engage in short sales of
shares of Common Stock in the course of hedging the  positions  they assume with
the  Selling  Stockholders.  The Selling  Stockholders  or their  successors  in
interest may also enter into option or other  transactions  with  broker-dealers
that require the delivery by such broker-dealers of the Shares, which Shares may
be resold thereafter pursuant to this Prospectus.

      In addition,  the Selling  Stockholders may, from time to time, sell short
the Common Stock of V-ONE. In such  instances,  this Prospectus may be delivered
in  connection  with such  short  sales and the Shares may be used to cover such
short sales. Any or all of the sales or other transactions  involving the Shares
described above, whether effected by the Selling Stockholders, any broker-dealer
or others, may be made pursuant to this Prospectus. In addition, any Shares that
qualify for sale pursuant to Rule 144 under the Securities Act may be sold under
Rule 144 rather than pursuant to this Prospectus. The Shares may also be offered
in one or more  underwritten  offerings,  on a firm  commitment  or best efforts
basis.

      From time to time the Selling Stockholders may transfer, pledge, donate or
assign  their  Shares to  lenders,  family  members  and others and each of such
persons upon  acquiring the Shares will be deemed to be a "Selling  Stockholder"
for purposes of this Prospectus.  The number of Shares beneficially owned by the
Selling  Stockholders  who so  transfer,  pledge,  donate or assign  Shares will
decrease as and when they take such actions. The plan of distribution for Shares
sold hereunder will otherwise  remain  unchanged,  except that the  transferees,
pledgees,  donees or other successors will be Selling Stockholders hereunder. If
V-ONE is notified by a Selling  Stockholder  that a donee or pledgee  intends to


                                       14
<PAGE>

sell more than 500 Shares, a supplement to this Prospectus will be filed.

      Brokers, dealers, underwriters or agents participating in the distribution
of the Shares as agents may  receive  compensation  in the form of  commissions,
discounts or concessions from the Selling  Stockholders and/or purchasers of the
Shares for whom such  broker-dealers  may act as agent, or to whom they may sell
as principal,  or both (which compensation as to a particular  broker-dealer may
be less than or in excess of customary  commissions).  The Selling  Stockholders
and any  broker-dealers  who act in connection with the sale of Shares hereunder
may be deemed to be "underwriters" within the meaning of the Securities Act, and
any commissions they receive and proceeds of any sale of Shares may be deemed to
be underwriting discounts and commissions under the Securities Act.

      Neither  V-ONE nor any Selling  Stockholder  can  presently  estimate  the
amount of such compensation. V-ONE knows of no existing arrangements between any
Selling Stockholder and any other stockholder,  broker,  dealer,  underwriter or
agent relating to the sale or distribution of the Shares.

      Under applicable rules and regulations  under the Exchange Act, any person
engaged  in the  distribution  of the Shares  may not  simultaneously  engage in
market making  activities  with respect to V-ONE's  Common Stock for a period of
one business day prior to the commencement of such  distribution and ending upon
such  person's  completion  of  participation  in the  distribution,  subject to
certain  exceptions  for passive  market  making  transactions.  In addition and
without  limiting the  foregoing,  the Selling  Stockholders  will be subject to
applicable  provisions  of the  Exchange  Act  and  the  rules  and  regulations
thereunder,  including,  without limitation,  Regulation M, which provisions may
limit the timing of purchases and sales of shares of Common Stock by the Selling
Stockholders.

      At the time a particular  offer of Shares is made, to the extent required,
a supplemental  Prospectus will be distributed that will set forth the number of
shares being  offered and the terms of the offering  including the name or names
of the  Selling  Stockholders  and any  underwriters,  dealers  or  agents,  the
purchase price paid by an underwriter for the Shares  purchased from the Selling
Stockholders and any discounts,  concessions or commissions allowed or reallowed
or paid to dealers.

      In  order to  comply  with  the  securities  laws of  certain  states,  if
applicable, the Shares may be sold in such jurisdictions only through registered
or licensed brokers or dealers.

                          DESCRIPTION OF CAPITAL STOCK

GENERAL

      V-ONE is  authorized  to issue up to  33,333,333  shares of Common  Stock,
$0.001 par value, and 13,333,333 shares of Preferred Stock, $0.001 par value.

      The  following  summary of  certain  provisions  of the  Common  Stock and
Preferred Stock does not purport to be complete. It is subject to, and qualified
in  its  entirety  by,  the  provisions  of  V-ONE's  Restated   Certificate  of
Incorporation and Restated Bylaws, and by the provisions of applicable law.

COMMON STOCK

      As of December  14,  1998,  there were  15,803,046  shares of Common Stock
outstanding that were held of record by approximately 2,000 shareholders.

      The holders of Common  Stock are  entitled to one vote for each share held
of record on all matters submitted to a vote of shareholders. Dividends, if any,
may be declared by the Board of Directors out of funds legally available for the
payment of dividends. Dividends may be paid in cash, in property or in shares of
capital stock. In the event of any voluntary or involuntary  liquidation,  sale,
or  winding  up of V-ONE,  the  holders of Common  Stock are  entitled  to share
ratably in all assets  remaining  after payment of liabilities  and  liquidation
preferences  of any  outstanding  shares of Preferred  Stock.  Holders of Common
Stock have no preemptive  rights to subscribe  for any of V-ONE's  securities or
rights to convert  their  Common Stock into any other  securities.  There are no


                                       15
<PAGE>

redemption or sinking fund provisions applicable to the Common Stock.

PREFERRED STOCK

      V-ONE's  Board of Directors  has the  authority to issue up to  13,333,333
shares  of  Preferred  Stock  in one or  more  series  and  to fix  the  rights,
preferences,  privileges and restrictions  thereof,  including  dividend rights,
conversion rights, voting rights, terms of redemption,  liquidation  preferences
and the  number of shares  constituting  any series or the  designation  of such
series,  without any further  vote or action by  shareholders.  The  issuance of
preferred  stock  may have the  effect of  delaying  or  preventing  a change in
control of V-ONE.

                                  LEGAL MATTERS

      Certain legal matters with respect to the issuance of the shares of Common
Stock  offered  hereby will be passed upon for V-ONE by  Kirkpatrick  & Lockhart
LLP, 1800 Massachusetts Avenue, N.W., Washington, D.C. 20036.

                                     EXPERTS

      The balance sheets as of December 31, 1996 and 1997, and the statements of
operations,  shareholders' equity (deficit) and cash flows for each of the three
years in the period ended December 31, 1997,  incorporated  by reference in this
Prospectus, have been incorporated by reference herein in reliance on the report
of PricewaterhouseCoopers  LLP, independent accountants,  given on the authority
of that firm as experts in accounting and auditing.




                                       16
<PAGE>





      No  dealer,   salesperson  or  any
other person is  authorized  to give any
information     or    to    make     any
representations  in connection with this
Prospectus  and, if given or made,  such
information or representations  must not               2,660,000 Shares
be relied upon as having been authorized
by  V-ONE.   This  Prospectus  does  not
constitute   an   offer  to  sell  or  a
solicitation  of an  offer  to  buy  any
security   other  than  the   securities
offered by this Prospectus,  or an offer
to sell or a solicitation of an offer to
buy  any  securities  by  anyone  in any               V-ONE Corporation
jurisdiction  in  which  such  offer  or
solicitation  is  not  authorized  or is
unlawful.    The    delivery   of   this
Prospectus    shall   not,   under   any
circumstances,  create  any  implication
that the  information  herein is correct
as of any time subsequent to the date of
the Prospectus.

        ------------------------


                TABLE OF CONTENTS

                                            Page       COMMON STOCK
                                            ----

V-ONE..............................................2
Risk Factors.......................................2
Recent Developments................................10
Where You Can Find More Information................10
Incorporation of Certain Documents By Reference....11
Selling Stockholders...............................11       _________________
Use of Proceeds....................................14
Plan of Distribution...............................14          PROSPECTUS
Description of Capital Stock.......................15
Legal Matters......................................16       _________________
Experts............................................16






                                                            _____________, 1998


<PAGE>



                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 14.  Other Expenses of Issuance and Distribution.

      The  following  table sets forth the  expenses  expected to be incurred by
V-ONE  Corporation  (the "Company") in connection with the sale and distribution
of the  shares of Common  Stock  being  registered.  With the  exception  of the
registration fee, all amounts shown are estimates.

           SEC registration fee......................   $   1,988.00

           Printing and engraving expenses...........       5,000.00

           Legal fees and expenses ..................      25,000.00

           Accounting fees and expenses..............      15,000.00

           Miscellaneous fees and expenses...........          12.00
                                                         --------------
                 Total...............................   $  47,000.00*
                                                         ==============
*  Estimated

Item 15.  Indemnification of Directors and Officers.

      Section 145 of the Delaware General  Corporation Law, as amended ("DGCL"),
provides that a corporation may indemnify any person who was or is a party or is
threatened to be made a party to any  threatened,  pending or completed  action,
suit or proceeding,  whether civil,  criminal,  administrative  or investigative
(other  than an action by or in the right of the  corporation)  by reason of the
fact that the person is or was a  director,  officer,  employee  or agent of the
corporation,  or is or was  serving  at the  request  of  the  corporation  as a
director, officer, employee or agent of another corporation,  partnership, joint
venture,  trust or other  enterprise,  against  expenses  (including  attorneys'
fees),  judgments,  fines and amounts paid in settlement actually and reasonably
incurred by the person in connection  with such action,  suit or proceeding,  if
the person acted in good faith and in a manner the person reasonably believed to
be in or not opposed to the best interests of the corporation, and, with respect
to any criminal  action or  proceeding,  had no reasonable  cause to believe the
person's  conduct was unlawful.  Section 145 further provides that a corporation
similarly may indemnify any such person  serving in any such capacity who was or
is a party or is  threatened  to be made a party to any  threatened,  pending or
completed  action or suit by or in the  right of the  corporation  to  procure a
judgment in its favor,  against  expenses  actually and  reasonably  incurred in
connection  with the defense or  settlement of such action or suit if the person
acted in good faith and in a manner the person  reasonably  believed to be in or
not  opposed  to the  best  interests  of the  corporation  and  except  that no
indemnification  shall be made in respect  of any  claim,  issue or matter as to
which such  person  shall  have been  adjudged  to be liable to the  corporation
unless and only to the extent that the  Delaware  Court of Chancery or the court
in which such action or suit was brought shall determine upon application  that,
despite the  adjudication of liability but in view of all the  circumstances  of



                                      II-1
<PAGE>


the case,  such person is fairly and  reasonably  entitled to indemnity for such
expenses that the Court of Chancery or such other court shall deem proper.

      Article  Ninth  of the  Company's  Amended  and  Restated  Certificate  of
Incorporation  provides that the Company shall indemnify,  to the fullest extent
now or hereafter  permitted by law, each  director,  officer,  employee or agent
(including each former director,  officer, employee or agent) of the Company who
was or is made party to or a witness in or is  threatened  to be made a party to
or a witness in any threatened, pending or completed action, suit or proceeding,
whether civil, criminal,  administrative or investigative, by reason of the fact
that he is or was an  authorized  representative  of the  Company,  against  all
expenses  (including  attorneys'  fees  and  disbursements),   judgments,  fines
(including  excise taxes and penalties) and amounts paid in settlement  actually
and  reasonably  incurred  by  him in  connection  with  such  action,  suit  or
proceeding.

      Article VI, Section 6.1 of the Company's Amended Bylaws provides that each
person who was or is made a party to or is  otherwise  involved  in any  action,
suit or proceeding,  whether civil,  criminal,  administrative  or investigative
(hereinafter  a  "proceeding")  by reason  of the fact  that  he/she is or was a
Director,  officer,  agent or employee of the Company,  shall be indemnified and
held  harmless by the Company to the fullest  extent  authorized  by the General
Corporation Law of the State of Delaware, as the same exists or may hereafter be
amended, against any expenses (including attorneys' fees), judgments,  fines and
amounts paid in settlement,  actually and reasonably  incurred by such person in
connection  therewith.  Notwithstanding  the  foregoing,  no  Director  shall be
indemnified  nor held harmless in violation of the  provisions  set forth in the
Company's Amended and Restated  Certificate of  Incorporation;  and no Director,
officer, agent or employee shall be indemnified nor held harmless by the Company
unless:

      (i)   In the  case of  conduct  in  his/her  official  capacity  with  the
            Company,  he/she  acted  in  good  faith  and  in  a  manner  he/she
            reasonably believed to be in the best interest of the Company;

      (ii)  In all other cases,  his/her conduct was at least not opposed to the
            best  interests  of the Company nor in  violation of the Amended and
            Restated  Certificate  of  Incorporation,  Bylaws  or any  agreement
            entered into by the Company; and

      (iii) In the case of any  criminal  proceeding, he/she  had no  reasonable
            cause to believe that his/her conduct was unlawful.



                                      II-2
<PAGE>


Exhibit 16.    Exhibits.

     Number         Description of Exhibit
     -----          ----------------------
      5             Opinion of Kirkpatrick & Lockhart LLP

      23.1          Consent of PricewaterhouseCoopers LLP

      23.2          Consent of Kirkpatrick & Lockhart LLP (included in
                    Exhibit 5)

      24            Power of Attorney (see page II-5)

__________________

Exhibit 17.    Undertakings.

      (a)   The undersigned registrant hereby undertakes:

            (1)     To file, during any period in which offers or sales are 
      being made, a post-effective amendment to this registration statement:

                    (i)   To include any prospectus required by section 10(a)(3)
                          of the Securities Act of 1933;

                    (ii)  To  reflect  in the  prospectus  any  facts or  events
                          arising after the effective  date of the  registration
                          statement (or the most recent post-effective amendment
                          thereof)  which,  individually  or in  the  aggregate,
                          represent a fundamental  change in the information set
                          forth in the registration  statement.  Notwithstanding
                          the  foregoing,  any increase or decrease in volume of
                          securities  offered  (if the  total  dollar  value  of
                          securities  offered  would not  exceed  that which was
                          registered) and any deviation from the low or high end
                          of  the  estimated   maximum  offering  range  may  be
                          reflected  in the form of  prospectus  filed  with the
                          Commission   pursuant   to  Rule  424(b)  if,  in  the
                          aggregate,  the changes in volume and price  represent
                          no more  than a 20%  change in the  maximum  aggregate
                          offering  price  set  forth  in  the  "Calculation  of
                          Registration Fee" table in the effective  registration
                          statement;

                    (iii) To include any  material  information  with respect to
                          the plan of distribution  not previously  disclosed in
                          the registration statement;

                    PROVIDED,  HOWEVER, that paragraphs (a)(1)(i) and (a)(1)(ii)
                    do not apply if the registration statement is on Form S-3 or
                    Form S-8, and the  information  required to be included in a
                    post effective amendment by those paragraphs is contained in
                    periodic reports filed by the registrant pursuant to Section
                    13 or Section 15(d) of the  Securities  Exchange Act of 1934
                    that  are  incorporated  by  reference  in the  registration
                    statement.


                                      II-3
<PAGE>


            (2)     That, for the purpose of determining any liability under the
      Securities Act of 1933, each such post-effective amendment shall be deemed
      to be a new  registration  statement  relating to the  securities  offered
      therein,  and the offering of such securities at that time shall be deemed
      to be the initial bona fide offering thereof.

            (3)     To  remove  from  registration  by  means  of post-effective
      amendment any  of  the securities being registered  which remain unsold at
      the termination of the offering.

      (b) The undersigned  registrant  hereby  undertakes  that, for purposes of
determining  any liability  under the Securities Act of 1933, each filing of the
registrant's  annual  report  pursuant to Section  13(a) or Section 15(d) of the
Securities  Exchange  Act of  1934  that is  incorporated  by  reference  in the
registration  statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

      (c)  Insofar  as  indemnification   for  liabilities   arising  under  the
Securities Act of 1933 may be permitted to directors,  officers and  controlling
persons of the registrant  pursuant to the foregoing  provisions,  or otherwise,
the  registrant  has been  advised  that in the  opinion of the  Securities  and
Exchange  Commission such  indemnification is against public policy as expressed
in the Act and is,  therefore,  unenforceable.  In the  event  that a claim  for
indemnification  against  such  liabilities  (other  than  the  payment  by  the
registrant of expenses  incurred or paid by a director,  officer or  controlling
person of the  registrant  in the  successful  defense  of any  action,  suit or
proceeding)  is  asserted by such  director,  officer or  controlling  person in
connection with the securities being registered,  the registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit  to a  court  of  appropriate  jurisdiction  the  question  whether  such
indemnification  by it is against public policy as expressed in the Act and will
be governed by the final adjudication of such issue.



                                      II-4
<PAGE>



                                   SIGNATURES

      Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for  filing  on Form S-3 and has  duly  caused  this  Registration
Statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the City of Germantown,  State of Maryland,  on this 15th day of
December, 1998.

                                V-ONE CORPORATION


                                By:  /s/ David D. Dawson
                                     ---------------------------------------
                                     David D. Dawson
                                     President and Chief Executive Officer

      Know all men by these presents,  that each person whose signature  appears
below constitutes and appoints David D. Dawson and Charles B. Griffis,  and each
of them, his or her true and lawful attorneys-in-fact and agents with full power
of substitution and  resubstitution for him or her in his or her name, place and
stead,  in any  and  all  capacities,  to  sign  any or all  amendments  to this
registration  statement  and to file the same,  with all exhibits  thereto,  and
other  documents  in  connection  therewith,  with the  Securities  and Exchange
Commission,  granting  unto such  attorneys-in-fact  and agents and each of them
full  power  and  authority  to do and  perform  each and  every  act and  thing
requisite or necessary to be done in and about the premises,  to all intents and
purposes and as fully as they might or could do in person, thereby ratifying and
confirming all that such attorneys-in-fact and agents, or their substitutes, may
lawfully do or cause to be done by virtue hereof.

      Pursuant  to  the  requirements  of  the  Securities  Act  of  1933,  this
Registration  Statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates indicated.

NAME                          TITLE                           DATE
- ----                          -----                           ----

/s/ David D. Dawson
- -------------------
David D. Dawson              Chairman of the Board,           December 15, 1998
                             President, Chief Executive
                             Officer and Director

/s/ Charles B. Griffis
- ----------------------
Charles B. Griffis           Senior Vice President,           December 15, 1998
                             Chief Financial Officer and
                             Treasurer
                             (Principal Financial Officer)

/s/ Mark R. Fields
- ------------------
Mark R. Fields               Controller                       December 15, 1998
                             (Principal Accounting Officer)

/s/ James F. Chen
- -----------------
James F. Chen                Director                         December 15, 1998


                                      II-5
<PAGE>

NAME                          TITLE                           DATE
- ----                          -----                           ----

/s/ Charles C. Chen
- -------------------
Charles C. Chen              Director                         December 15, 1998

/s/ A.L. Giannopoulos
- ---------------------
A.L. Giannopoulos            Director                         December 15, 1998

/s/ William E. Odom
- -------------------
William E. Odom              Director                         December 15, 1998


                                      II-6
<PAGE>




                                  EXHIBIT INDEX



     Number         Description of Exhibit
     ------         ----------------------

      5              Opinion of Kirkpatrick & Lockhart LLP

      23.1           Consent of PricewaterhouseCoopers LLP

      23.2           Consent of Kirkpatrick & Lockhart LLP (included in
                     Exhibit 5)

      24             Power of Attorney (see page II-5)


                                      II-7



                                                                      EXHIBIT 5


                         _______________________________
                           KIRKPATRICK & LOCKHART LLP
                         _______________________________

                         1800 MASSACHUSETTS AVENUE, N.W.
                                    2ND FLOOR
                           WASHINGTON, D.C. 20036-1800

                            TELEPHONE (202) 778-9000
                            FACSIMILE (202) 778-9100

                                December 16, 1998


V-ONE Corporation
20250 Century Boulevard, Suite 300
Germantown, Maryland  20874

            Re:   V-ONE Corporation
                  Registration Statement on Form S-3

Ladies/Gentlemen:

      We have  acted as  counsel to V-ONE  Corporation,  a Delaware  corporation
("Corporation"),   in  connection   with  the  preparation  and  filing  of  the
above-captioned   Registration   Statement  on  Form  S-3,  Registration  Number
333-_____  ("Registration  Statement"),  under the  Securities  Act of 1933,  as
amended,  covering the resale of 2,660,000  shares of Common  Stock,  $0.001 par
value  per  share  ("Common   Stock"),   of  the  Corporation  held  by  certain
shareholders of the Company ("Shareholders").

      We have examined  copies of the  Registration  Statement,  the  Prospectus
forming a part  thereof,  the  Certificate  of  Incorporation  and Bylaws of the
Corporation,  each as amended to date,  the  minutes  of  various  meetings  and
unanimous written consents of the Board of Directors and the shareholders of the
Corporation, and original, reproduced or certified copies of such records of the
Corporation and such agreements,  certificates of public officials, certificates
of officers and  representatives  of the Corporation and others,  and such other
documents,  papers,  statutes and  authorities  as we deem necessary to form the
basis  of the  opinions  hereinafter  expressed.  In such  examination,  we have
assumed  the  genuineness  of all  signatures  and the  conformity  to  original
documents of all documents  supplied to us as copies. As to various questions of
fact material to such opinions,  we have relied upon statements and certificates
of officers and representatives of the Corporation and others.

      Based on the  foregoing,  we are of the opinion that each of the 2,660,000
shares of Common  Stock held by the  Shareholders  are duly and validly  issued,
fully paid and nonassessable.

<PAGE>


      We hereby  consent to the  reference to our firm under the caption  "Legal
Matters" in the  Prospectus  forming part of the  Registration  Statement and to
your filing a copy of this Opinion as an exhibit to said Registration Statement.

                                    Sincerely,

                                    /s/ Kirkpatrick & Lockhart LLP

                                    KIRKPATRICK & LOCKHART LLP





Consent of Independent Accountants


We consent to the incorporation by reference in this  registration  statement of
V-ONE  Corporation (the Company) on Form S-3 of our report dated March 13, 1998,
on our audits of the financial statements of the Company as of December 31, 1996
and 1997,  and for the years ended  December 31,  1995,  1996,  and 1997,  which
report is  included  in the  Company's  Annual  Report on Form 10-K for the year
ended  December 31, 1997. We also consent to the reference to our firm under the
caption "Experts".


                                             /s/ PricewaterhouseCoopers LLP


McLean, Virginia
December 16, 1998




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