CORSAIR COMMUNICATIONS INC
10-Q, 1998-08-14
COMPUTER INTEGRATED SYSTEMS DESIGN
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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


                                    FORM 10-Q

(Mark One)
  [ X ]           QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE
            SECURITIES EXCHANGE ACT OF 1934

   
            For the quarterly period ended June 30, 1998.
    


  [   ]           TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE
            SECURITIES EXCHANGE ACT OF 1934

                         Commission File Number: 0-22859


                          CORSAIR COMMUNICATIONS, INC.
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                                              <C>


              DELAWARE                                 77-0390406
   (State or other jurisdiction of                  (I.R.S. Employer
   incorporation or organization)                Identification Number)

 3408 Hillview Avenue Palo Alto, CA                       94304
(Address of principal executive offices)               (Zip Code)
</TABLE>

     REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE IS (650) 842-3300


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

      The number of shares of the  Registrant's  Common Stock  outstanding as of
July 31, 1998 was 17,770,018.
    


<PAGE>



                                      INDEX



                                                                        Page No.
Part I.  Financial Information

   
Item 1. Condensed Consolidated Financial Statements

        Condensed Consolidated Balance Sheets as of June 30, 1998 and
         December 31, 1997................................................3

        Condensed Consolidated Statements of Operations for the Three
         and Six Months Ended June 30, 1998 and 1997 .....................4

        Condensed Consolidated Statements of Cash Flows for the Six
         Months Ended June 30, 1998 and 1997 .............................5

        Notes to Condensed Consolidated Financial Statements..............6

Item 2. Management's Discussion and Analysis of Financial
         Condition and Results of Operations .............................9
    


Part II.  Other Information

   
Item 2.  Change in Securities and Use of Proceeds........................21

Item 4.  Submission of Matters to a Vote of Security Holders.............21

Item 5.  Other Information...............................................22

Item 6.  Exhibits and Reports on Form 8-K ...............................22


Signatures ..............................................................23
    




<PAGE>



PART I - FINANCIAL INFORMATION

   
Item 1. Condensed Consolidated Financial Statements

                           CORSAIR COMUNICATIONS, INC.
               Unaudited Condensed Consolidated Balance Sheets
    
                                 (In thousands)
<TABLE>
<CAPTION>
   
                                               June 30,        December 31,
                                                 1998              1997
    
                                           ----------------- -----------------
<S>                                        <C>               <C>
Assets
   
Cash and cash equivalents                  $       6,616     $      16,915
Short-term investments                            49,435            46,038
Trade accounts receivable, net                     8,695             6,780
Inventories, net                                   4,047             3,618
Evaluation inventory                               1,207             4,590
Prepaids and other                                 2,264             1,415
    
                                           ----------------- -----------------
   
  Total current assets                            72,264            79,356
Property and equipment, net                        7,731             7,110
Other assets                                       1,659             2,393
    
                                           ================= =================
  Total assets                             $      81,654     $      88,859
                                           ================= =================

Liabilities and Stockholders' Equity

   
Accounts payable                           $       1,383     $       1,419
Accrued benefits                                   4,515             3,009
Accrued expenses                                   4,138             4,946
Accrued merger related expenses                    4,108                --
Current portion of notes payable                   3,095             2,245
Current    portion   of   capital    lease           730               723
   obligations
Deferred revenue                                   6,627            13,522
    
                                           ----------------- -----------------
   
  Total current liabilities                       24,596            25,864
Notes payable, net of current portion              1,738             4,694
Capital lease obligations,  net of current           447               850
   portion
Other liabilities                                    138               139
    
                                           ----------------- -----------------
   
  Total liabilities                        $      26,919      $     31,547
    
                                           ----------------- -----------------
   
Common stock                                          18                18
Notes receivable from stockholders                 (375)             (511)
Additional paid-in capital                       104,325           103,923
Deferred compensation                              (450)             (648)
Accumulated deficit                             (48,783)          (45,470)
    
                                           ----------------- -----------------
   
    Total stockholders' equity                    54,735            57,312
    
                                           ----------------- -----------------
   
    Total  liabilities  and  stockholders' $      81,654       $    88,859
    
   equity
                                           ================= =================
</TABLE>

   
        See accompanying notes to Condensed Consolidated Financial Statements
    


<PAGE>


   
                           CORSAIR COMUNICATIONS, INC.
          Unaudited Condensed Consolidated Statements of Operations
                    (In thousands, except per share data)

<TABLE>
<CAPTION>

                                Three Months Ended       Six Months Ended
                                     June 30,                June 30,
    
                               ---------------------   ----------------------
   
                                 1998        1997        1998           1997
    
                               ---------   ---------   ----------  ----------
<S>                            <C>         <C>         <C>         <C>
Revenues:
   
   Hardware revenue            $9,925      $8,996      $22,047       $16,594
       Software revenue         4,462       2,222        7,216         4,743
   Service revenue              4,662       2,151        8,298         4,189
    
                               ---------   ---------   ----------  ----------
   
      Total revenues           19,049      13,369       37,561        25,526
    

Cost of revenues:
   
   Hardware revenue costs       4,643       7,352       11,292        14,711
       Software revenue costs     356         436          708           663
   Service revenue costs        2,349       1,548        4,494         3,233
    
                               ---------   ---------   ----------  ----------
   
      Total cost of revenues    7,348       9,336       16,494        18,607
    
                               ---------   ---------   ----------
                                                                   ----------
   
              Gross profit     11,701       4,033       21,067         6,919
    
                               ---------   ---------   ----------  ----------

Operating costs and expenses:
   
   Research and development     4,340       3,165        8,965         5,371
   Sales and marketing          4,136       2,914        7,591         4,884
   General and administrative   2,430       2,260        4,424         4,249
       Merger related expenses  4,481           -        4,481             -
    
                              ----------  --------     ----------  ----------
   
Total operating costs and      15,387       8,339       25,461        14,504
    
expenses
                               ---------   ---------   ----------  ----------
   
       Operating loss          (3,686)     (4,306)     (4,394)       (7,585)

Interest income (expense), net    402          31        1,671          (97)
    
                               ---------   ---------   ----------  ----------
   
        Loss before income     (3,284)     (4,275)     (2,723)       (7,682)
taxes
Income taxes                      110           -          364              3
    
                               ---------   ---------   ----------  ----------
   
Extraordinary loss on debt     (3,394)     (4,275)     (3,087)        (7,685)
extinquishment
Loss on debt extinguishment,    (226)           -        (226)             -
net
    
                               ---------   ---------   ----------  ----------
   
Net loss                       $(3,620)   $(4,275)    $(3,313)       $(7,685)
    
                               =========   =========   ==========  ==========

   
Basic and diluted net loss per share data:
      Basic net loss before
extraordinary item            $(0.19)     $(0.29)      $(0.18)       $(2.47)
Extraordinary loss on debt     (0.01)           -       (0.01)             -
extinguishment
    
                               =========   =========   ==========  ==========
   
      Basic and diluted net
loss per share                $(0.20)     $(1.29)      $(0.19)        $(2.47)
    
                               =========   =========   ==========  ==========
   
Shares used in per share       17,660       3,320       17,632         3,112
calculations
    
                               =========   =========   ==========  ==========
</TABLE>



   
    See accompanying notes to Condensed Consolidated Financial Statements
    



<PAGE>


   
                          CORSAIR COMMUNICATIONS, INC.
          Unaudited Condensed Consolidated Statements of Cash Flows
                              (In thousands)
<TABLE>
<CAPTION>

                                                         Six Months Ended
                                                              June 30,
    
                                                      -----------------------
   
                                                        1998         1997
    
                                                      ----------   ----------
<S>                                                   <C>          <C>
   
Cash flows from operating activities:
   Net loss                                            $(3,313)     $(7,685)
   Adjustments to reconcile net loss to net
      cash provided by (used in) operating
      activities:
   Depreciation and amortization                          1,935        1,081
   Amortization of deferred compensation and                298          238
      compensation expense
   Loss on disposition of fixed assets                       --          100
   Extraordinary loss on debt extinguishment                226           --
   Merger-related costs                                   4,108           --
   Changes in operating assets and liabilities:
    

   
       Trade accounts receivable                         (1,915)         251
       Inventories                                        2,954       (2,141)
       Prepaid expenses and other assets                   (630)      (1,878)
       Accounts payable and accrued expenses                661       (1,364)
       Deferred revenue                                  (6,895)       6,432
    
                                                      ----------   ----------
   
          Net cash used in operating activities          (2,571)      (4,966)
    
                                                      ----------   ----------
Cash flows from investing activities:
   
   Purchase of short-term investments                   (14,413)     (28,066)
   Proceeds from sales and maturities of short-term
      investments                                        11,016       19,932
    
   
   Purchases of property and equipment                  (2,041)      (1,856)
    
                                                      ----------   ----------
   
         Net cash used in investing activities          (5,438)      (9,990)
    
                                                      ----------   ----------
Cash flows from financing activities:
   
   Proceeds from sale of preferred stock, net                --       17,091
      of offering costs
   Proceeds from stock options and purchase plans           402          220
   Proceeds from debt                                     4,128          660
   Principal and prepayment penalty payments on         (6,460)      (2,398)
      debt obligations
   Proceeds from note receivable from                        36           --
      stockholder
   Principal payment on capital lease                     (396)        (356)
    
                                                      ----------   ----------
   
         Net cash provided by (used in) financing       (2,290)       15,217
            activities
    
                                                      ----------   ----------
   
   Net increase (decrease) in cash and cash            (10,299)          261
      equivalents
    
   
   Cash and cash equivalents, beginning of period        16,915       19,629
    
                                                      ==========   ==========
   
   Cash and cash equivalents, end of period            $  6,616     $ 19,890
    
                                                      ==========   ==========
Cash paid:
   
   Interest                                           $     624    $     520
    
                                                      ==========   ==========
   
   Income taxes                                       $     332    $       4
    
                                                      ==========   ==========
   Noncash financing and investing activities:
     Assets acquired through capital lease            $      --    $     481
                                                      ==========   ==========
   
   Common stock issued in exchange for                $      --    $     377
      stockholder note
    
                                                      ==========   ==========
   
   Deferred compensation relating to stock option     $     --     $   1,129
      grants
    
                                                      ==========   ==========
</TABLE>

   
    See accompanying notes to Condensed Consolidated Financial Statements
    


<PAGE>


   
                          CORSAIR COMMUNICATIONS, INC.
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                                   (Unaudited)
    

1. Basis of Presentation


   
         The accompanying  unaudited consolidated financial information has been
   prepared by Corsair  Communications,  Inc.  ("Corsair")  in  accordance  with
   generally accepted accounting principles for interim financial statements and
   pursuant to the rules of the Securities and Exchange Commission for Form 10-Q
   and  Article 10 of  Regulation  S-X.  Accordingly,  certain  information  and
   footnotes required by generally accepted  accounting  principles for complete
   financial  statements have been omitted. It is the opinion of management that
   all  adjustments  considered  necessary  for a fair  presentation  have  been
   included, and that all such adjustments are of a normal and recurring nature.
   On June 23, 1998, Corsair acquired  Subscriber  Computing,  Inc. ("SCI") in a
   combination  to be  accounted  for under the pooling of  interests  method of
   accounting.  Corsair's condensed  consolidated financial statements have been
   restated to include the financial position and results of SCI for all periods
   presented.  Due to the fiscal year end  conversion of SCI to that of Corsair,
   SCI's net revenues of $2.9 million and net loss of $5.0 million for the three
   months ended  December 31, 1997 are not included in the  unaudited  condensed
   consolidated  statements  of  operations.  Operating  results for the periods
   presented are not necessarily  indicative of the results that may be expected
   for any future periods.  These condensed  consolidated  financial  statements
   should be read in conjunction  with the Company's  Annual Report on Form 10-K
   for the year ended December 31, 1997 and Registration  Statement on Form S-4,
   dated May 27, 1998.

         The  condensed   consolidated   financial  statements  include  Corsair
   Communications,   Inc.,   and  its   subsidiary.   Significant   intercompany
   transactions and accounts have been eliminated.


2. Revenue Recognition
         Revenue from hardware sales is recognized upon shipment, unless a sales
   agreement   contemplates   that  Corsair  provide  testing,   integration  or
   implementation  services,  in which case hardware  revenue is recognized upon
   commissioning  and acceptance of the product (the activation of the cell site
   equipment following testing integration and implementation). Revenue from the
   licensing of software  products  generally is recognized upon delivery of the
   products,  unless the sales includes post-contract customer support, in which
   case the revenue is recognized  ratably over the term of the license  period.
   Revenue from services is recognized  ratably over the term of the maintenance
   support,  on a percentage of completion basis over the term of the consulting
   effort, or during the month the training or operations support is provided.

         During the first quarter of fiscal 1998,  Corsair adopted  Statement of
   Position (SOP) No. 97-2,  "Software Revenue  Recognition".  The provisions of
   SOP No. 97-2 have been applied to transactions entered into beginning January
   1,  1998.  SOP  No.  97-2  generally  requires  revenue  earned  on  software
   arrangements  involving  multiple  elements to be  allocated  to each element
   based on the relative  fair values of the elements.  In  connection  with the
   adoption of SOP 97-2,  the Company  analyzed all of the elements  included in
   its  multiple-element  arrangements  and believes that it currently  complies
   with the SOP.

3.    Net Income (Loss) Per Share
         Basic net  income  (loss)  per share is based on the  weighted  average
   number of shares of common stock outstanding  during the period.  Diluted net
   income (loss) per share is based on the weighted  average number of shares of
   common stock  outstanding  during the period and dilutive  common  equivalent
   shares from options and  warrants  outstanding  during the period.  No common
   equivalent   shares  are   included   for  loss  periods  as  they  would  be
   anti-dilutive. Dilutive common equivalent shares consist of stock options and
   stock warrants.
    




<PAGE>


   
         The following  tables set forth the computations of shares and net loss
   used in the calculation of basic and diluted net loss per share for the three
   and six months ended June 30, 1998, and 1997 (in thousands,  except per share
   data):
    
<TABLE>
<CAPTION>
   
                                        Three Months             Six Months
                                       Ended June 30,           Ended June 30,
    
                                    -------------------------------------------
   
                                      1998        1997       1998        1997
    
                                    ----------  ---------  ---------  ---------
<S>                                 <C>         <C>        <C>        <C>

   
    Basic and diluted net loss per share data:
         Net loss                   $           $          $          $
                                      (3,620)    (4,275)    (3,313)    (7,685)
    
                                    ==========  =========  =========  =========
   
    Actual weighted average common
        shares outstanding for the     17,660      3,320     17,632      3,112
        period
    
                                    ==========  =========  ========== =========
   
    Basic and diluted net loss per  $  (0.20)    $(1.29)    $(0.19)    $(2.47)
    share
    
                                    ==========  =========  =========  =========
</TABLE>

   
   The Company has excluded the impact of approximately 1,581,827, and 1,015,753
   outstanding options to purchase common stock as of June 30, 1998 and 1997 and
   warrants to purchase  85,915  shares of common  stock as of June 30, 1998 and
   1997,  since their  inclusion  in diluted per share  results  would have been
   antidilutive.

4.     Inventories

   Inventories  are stated at the lower of cost or market and are  summarized as
   follows (in thousands):
<TABLE>
<CAPTION>

                                                       June 30,     December
                                                         1998       31, 1997
    
                                                      ----------   ----------
<S>                                                   <C>          <C>
   
    Raw materials                                      $1,174       $1,479
    Work in progress                                      895          189
    Finished goods                                      1,978        1,950
    
                                                      ==========   ==========
   
                                                      $ 4,047       $3,618
    
                                                      ==========   ==========
</TABLE>

   
5. Merger with Subscriber Computing, Inc.
   On June 23, 1998,  Corsair  issued  approximately  3.9 million  shares of its
   common  stock in exchange for all the  outstanding  shares of common stock of
   Subscriber Computing,  Inc, ("SCI"), a provider of scalable billing, customer
   care,  fraud detection,  prepaid billing and mediation  solutions for paging,
   cellular and Personal  Communications Services service providers. As a result
   of the merger,  each  outstanding  share of SCI Preferred Stock was converted
   into  shares  of SCI  Common  Stock  based  on their  respective  liquidation
   preference.  Concurrently,  each share of SCI Common Stock was converted into
   0.238  shares  of  Corsair's  Common  Stock,  and SCI  became a wholly  owned
   subsidiary  of  Corsair.  In  addition,  Corsair has  reserved  approximately
   464,500  shares of its Common Stock for issuance upon the exercise of assumed
   SCI stock options and warrants.  The merger was accounted for as a pooling of
   interests,  and accordingly,  the Company's condensed  consolidated financial
   statements  have been restated to include the financial  position and results
   of SCI for all periods presented.

   The  results of  operations  reported  by the  separate  enterprises  and the
   combined  amounts  presented  in  the  accompanying   consolidated  financial
   statements are summarized below (in thousands):
<TABLE>
<CAPTION>

                                     Corsair          SCI          Combined
    
                                  --------------  -------------  --------------
<S>                               <C>             <C>            <C>
   
       Six Months  Ended June 30,
          1998
            Total revenue           $    29,682     $    7,879      $   37,561
            Extraordinary loss              226              -             226
            Net income (loss)             3,861         (7,174)         (3,313)

       Six Months  Ended June 30,
          1997
            Total revenue           $    20,319      $   5,207      $   25,526
            Net loss                     (4,437)        (3,248)         (7,685)
</TABLE>

      In the second quarter,  Corsair incurred  merger-related and other charges
      of $4.5  million.  The  following  table  presents the  components  of the
      charges (in thousands):
<TABLE>
<CAPTION>

                                                          Non-cash    June 30,
                                       Total    Amounts   Writedown     1998
                                        Charge   Paid     of Assets    Reserve
                                                                       Balance
<S>                                    <C>      <C>       <C>         <C>

       Transaction costs                2,741      239          --       2,502
       Termination benefits (20         1,338       --          --       1,338
       employees)
       Redundant  facility  and  other    402       --         134         268
       equipment costs
    
                                       ========================================
   
            Total                      $4,481   $  239      $  134    $  4,108

                                       ========================================
</TABLE>
    

   
6.    Extraordinary Item
            Corsair  incurred  a  loss  on  debt   extinguishment   of  $226,000
      associated  with paying the  principal  and  interest  of $4.8  million of
      short-term  and  long-term  notes  payable.  The loss was comprised of the
      amortization of the remaining loan fees associated with the debt issuance.

7.    Recent Pronouncements
                  On January 1, 1998,  Corsair adopted SFAS No. 130,  "Reporting
      Comprehensive  Income",  which  establishes  standards  for  reporting and
      disclosure of comprehensive income and its components (revenues, expenses,
      gains and losses) in a full set of general-purpose  financial  statements.
      In Corsair's  circumstances,  total  comprehensive  income  (loss) for all
      periods  presented herein would not have differed from reported net income
      (loss).

            In June 1998, the Financial  Accounting  Standards Board issues SFAS
      No. 133,  "Accounting for Derivative  Instruments and Hedging Activities".
      This  statement   establishes   accounting  and  reporting  standards  for
      derivative instruments and hedging activities. Currently, the Company does
      not use either of these financial tools and therefore will not be impacted
      by the issuance of this standard.
    



<PAGE>



Item 2.  Management's  Discussion  and  Analysis of  Financial  Condition  and
Results of Operations

   
      This discussion may contain forward-looking  statements that involve risks
and  uncertainties.  Corsair's  actual  results may differ  materially  from the
results discussed in such forward-looking  statements.  Factors that might cause
such a difference include, but are not limited to, those discussed in "Risks and
Uncertainties"  below.  Corsair undertakes no obligation to release publicly the
results of any revisions to these  forward-looking  statements to reflect events
or circumstances arising after the date hereof.

The  following   should  be  read  in  conjunction   with  Corsair's   condensed
consolidated financial statements and notes thereto.

Recent Events

      Corsair is a leading  provider of software  and system  solutions  for the
wireless  industry.  The Company's products include systems for fraud prevention
and churn reduction, customer care and billing, and location service.

      On June 23, 1998, Corsair acquired Subscriber  Computing,  Inc. ("SCI"), a
Delaware corporation,  which provides software systems to the paging,  cellular,
and PCS  industries.  The merger was  accomplished  pursuant to an Agreement and
Plan of  Reorganization,  dated April 2, 1998.  As a result of the merger,  each
outstanding share of SCI Preferred Stock was converted into shares of SCI Common
Stock based on the respective  liquidation  preference.  Concurrently,  each SCI
Common Stock was converted into 0.238 shares of Corsair's  Common Stock, and SCI
became a wholly owned subsidiary of Corsair.  The acquisition of SCI was treated
as a pooling of interests for accounting purposes.

      A total of approximately  3.9 million shares of Corsair's Common Stock was
issued in connection with the merger. In addition,  all outstanding  options and
warrants to purchase SCI common stock were assumed by Corsair and converted into
the respective rights to purchase shares of Corsair's Common Stock.  Corsair has
reserved  approximately 464,500 shares of its Common Stock for issuance upon the
exercise of the assumed SCI stock options and warrants.

      With the  acquisition  of SCI,  Corsair  acquired  two  billing  products:
Customer Resource  Manager(TM)  ("CRM") and PrePay(TM).  CRM is a full featured,
integrated customer service and real-time billing system for wireless and paging
carriers,  available on a scalable desktop platform. CRM is currently one of the
most widely used billing and customer care systems in the U.S. paging  industry.
PrePay is a system for prepaid billing,  based on wireless  intelligent  network
technology,  to allow  carriers  to provide  cellular  and PCS  services  to new
consumer and business market segments. Corsair also acquired SCI's FraudWatch(R)
Pro,  a  profiling  system  designed  to detect  fraud on all types of  wireless
telephony networks.



Results of Operations

      Revenues:  For the three months ended June 30, 1998,  total  revenues were
$19.0 million,  compared with $13.4 million for the same period in 1997. For the
six months ended June 30, 1998,  total  revenues  were $37.6  million,  up $12.1
million from $25.5 million for the comparable  1997 period.  The  improvement in
revenues for the three and six months ended June 30, 1998,  having increased 42%
and 47%  from the  respective  periods  in 1997,  was  primarily  due to  higher
software and services revenues  resulting from a larger installed  customer base
and recognition of the corresponding  consulting and maintenance  contracts.  In
addition,  hardware  revenues for the same three and six month periods increased
due to continuing growth in the number of PhonePrint systems sold.

      Gross Profit: Gross profit increased to 61% of total revenues in the three
months  ended June 30, 1998 from 30% of revenues in the  comparable  three month
period of 1997. For the six months ended June 30, 1998, gross profit was 56%, up
from 27% in the same period of 1997. The  increasing  margins were due primarily
to the  improved  manufacturing  yields and lower  material  costs for  hardware
<PAGE>
sales, which contributed $5.3 million and $10.8 million to gross margins for the
three and six month periods ended June 30, 1998, respectively.  Software margins
contributed  $4.1  million  and $6.5  million  from  improved  product mix while
Service  margins of $2.3  million and $3.8  million  were the result of improved
pricing on consulting projects undertaken to support the new license sales.

      Research  and  Development:  For the three  months  ended  June 30,  1998,
research and development  expenses were $4.3 million  compared with $3.2 million
for the same period of 1997,  an increase of $1.2  million or 37%. For the first
six months of 1998, research and development expenses were $9.0 million compared
with $5.4  million for the same period of 1997,  an increase of $3.6  million or
67%. Research and development  expenses were 24% and 21% of revenues for the six
months ended June 30, 1998 and 1997, respectively.  The increase in research and
development  expenses for the three and six month  periods from 1997 to 1998 was
primarily due to the increase in headcount hired to assist in the development of
new and continuing products.

      Sales and Marketing:  For the three months ended June 30, 1998,  sales and
marketing  expenses  were $4.1 million  compared  with $2.9 million for the same
period of 1997,  an increase of $1.2 million or 42%. For the first six months of
1998, sales and marketing  expenses were $7.6 million compared with $4.9 million
for the same  period of 1997,  an  increase  of $2.7  million or 55%.  Sales and
marketing  expenses  were 20% and 19% of revenues  for the six months ended June
30, 1998 and 1997, respectively.  Additional sales personnel and the incremental
costs relating to additional  travel and commissions  costs  associated with the
increased  headcount  caused the increase in sales and  marketing  expenses from
1997 to 1998. The Company  expects its sales and marketing  expenses to increase
in absolute  dollars in the  foreseeable  future as it  continues  to expand the
scope of its sales and marketing efforts.

      General and  Administrative:  For the three  months  ended June 30,  1998,
general and administrative expenses were $2.4 million compared with $2.3 million
for the same  period of 1997,  an  increase of $170,000 or 8%. For the first six
months of 1998, general and  administrative  expenses were $4.4 million compared
with $4.2 million for the comparable  period of 1997, an increase of $175,000 or
4%. General and administrative expenses were 12% and 17% of revenues for the six
months  ended June 30,  1998 and 1997,  respectively.  The  increase in absolute
dollars for the three and six month  periods are due to  increased  headcount to
support the operational needs of the Company.

      Merger  Related  Costs:  As  discussed  in Note 4 of  Notes  to  Condensed
Consolidated  Financial  Information,  Corsair  incurred  $4.5 million in merger
related costs resulting from the acquisition of Subscriber  Computing,  Inc. The
one-time  charges  included   transaction   costs,   termination   benefits  for
approximately  20 employees,  and redundant  facility and other  equipment costs
associated with the merger.

      Interest Income  (Expense),  Net: Net interest income and expense consists
of interest  income from the Company's cash and short-term  investments,  net of
interest  expense on the Company's  equipment  loans,  equipment lease lines and
other loans.  The  increase in net interest  income for the three and six months
ended June 30,  1998 was a result of larger  average  cash  investment  balances
attributable to the proceeds  received from Corsair's initial public offering of
Common Stock completed in July 1997.

      Income  Taxes:  The income tax  expense in the three and six months  ended
June  30,  1998  represents  a  provision  for  estimated  income  taxes  (after
considering  all  available  loss  carryforwards  for  fiscal  1998),  while the
comparable periods in 1997 represents minimum state tax liabilities.

      Extraordinary  Item: The Company incurred a loss on debt extinguishment of
$226,000  associated  with paying the  principal and interest of $4.8 million of
short-term and long-term notes payable.
    



<PAGE>


Liquidity and Capital Resources

   
      Corsair  has funded its  operations  through a series of  Preferred  Stock
private placements, debt financing, and an initial public offering in July 1997.
As of June 30,  1998,  Corsair's  cash and  short-term  investments  were  $56.1
million compared with $63.0 million at December 31, 1997.

      Net cash of $2.6 million was used by  operations  for the first six months
of 1998. This was primarily due to increased levels of accounts receivables from
higher  sales volume and lower  deferred  revenue  balances  given the timing of
revenue  recognition,  offset by a  decrease  in  inventory  following  improved
customer  acceptance of hardware products.  Net cash of $5.4 million was used in
investing  activities,  including  the  net  purchase  and  sale  of  short-term
investments,  and the purchase of property and equipment.  Corsair  continues to
invest in capital  equipment to support its employee  and facility  growth,  its
implementation  of new management and accounting  systems,  and its research and
development activities.

      Net cash of $2.3 million was used by financing  activities  primarily  for
the  repayment of various debt  instruments.  Corsair  maintained a $3.0 million
equipment  term loan facility at prime plus 0.75% (8.5% at June 30,  1998).  The
loan  facility is available  through July 1998 and is secured by any  underlying
equipment  purchased.  As of June 30, 1998,  Corsair did not have any borrowings
under the equipment term loan, and any future  borrowings would have been repaid
over three years.  Corsair did not renew the line  following  its  expiration in
July 1998.

       Management has initiated an enterprise-wide  program to prepare Corsair's
computer systems and  applications  for the year 2000.  Corsair expects to incur
internal  staff  costs as well as  consulting  and  other  expenses  related  to
infrastructure and facilities  enhancements necessary to prepare the systems for
the year  2000.  Corsair  expects  its year 2000 date  conversion  project to be
completed on a timely basis. However, there can be no assurance that the systems
of other companies on which Corsair's systems rely also will be timely converted
or that any such failure to convert by another company would not have an adverse
effect on Corsair's  systems.  Testing and conversion of system  applications is
expected  to cost  approximately  $600,000  over the next  year.  A  significant
portion of these costs is not likely to be  incremental  costs to  Corsair,  but
rather  will  represent  the  redeployment  of existing  information  technology
resources.  Accordingly,  Corsair  does not expect the  amounts  required  to be
expensed  over the next three years to have a material  effect on its  financial
position or results of operations.

      Corsair  believes  that  existing  sources  of  liquidity  and  internally
generated  cash, if any, will be sufficient  to meet  Corsair's  projected  cash
needs  for at  least  the  next 12  months.  Corsair  intends  to  continue  its
significant  product development efforts in the future and expects to fund those
activities  out of working  capital.  There can be no assurance,  however,  that
Corsair  will not require  additional  financing  prior to such date to fund its
operations or possible acquisitions. In addition, Corsair may require additional
financing after such date to fund its operations. There can be no assurance that
any additional financing will be available to Corsair on acceptable terms, or at
all, if and when required by Corsair.


RISKS AND UNCERTAINTIES

      This  Quarterly  Report  may  contain  predictions,  estimates  and  other
forward-looking statements that involve risks and uncertainties.  Such risks and
uncertainties  could cause actual results to differ  materially from the results
discussed  in the  forward-looking  statements.  Factors  that  could  cause  or
contribute to such  differences  include those discussed below, as well as those
discussed elsewhere in this Quarterly Report. Corsair  Communications,  Inc. and
its  subsidiaries  ("Corsair")  undertake no obligation to release  publicly the
results of any revisions to the forward-looking  statements to reflect events or
circumstances arising after the date hereof.

      Corsair  Limited  Operating  History and Lack of Sustained  Profitability.
Corsair has only a limited history of significant  operations upon which to base
an evaluation of its business and prospects  commencing  with the first shipment
of its PhonePrint  systems in March 1995.  Since its  incorporation  Corsair has
incurred  net losses  $48.8  million as of June 30,  1998,  approximately  $39.9
million of which was recorded since January 1995. There can be no assurance that
Corsair's  existing  revenue  levels  can be  sustained,  and past and  existing
revenue levels should not be considered  indicative of future results or growth.
<PAGE>

Moreover,  there  can be no  assurance  that  Corsair  will be  profitable  on a
quarterly or annual basis.  Operating  results for future periods are subject to
numerous uncertainties  specified elsewhere herein.  Corsair's prospects must be
considered in light of the risks encountered by companies with limited operating
histories,  particularly  companies in new and rapidly  evolving markets such as
the  markets  in which  Corsair  now  competes  and may in the  future  compete.
Corsair's  future operating  results will depend upon, among other factors:  the
demand for PhonePrint;  Corsair's  ability to introduce  successful new products
and  product  enhancements,  including  products  that are  sold to both  analog
network  carriers  and  digital  network  carriers  such  as  PCS  and  Enhanced
Specialized  Mobile  Radio  ("ESMR")  carriers;  the level of product  and price
competition; the ability of Corsair to expand its international sales; Corsair's
success  in  expanding  distribution  channels;  the  degree  to  which  Corsair
successfully  integrates Subscriber  Computing,  Inc. and the time period during
which  integration  efforts  occur;  Corsair's  ability  to cause  the  business
conducted by Subscriber  Computing,  Inc.  ("Subscriber") to achieve and sustain
profitability;  Corsair's  success in  attracting  and  retaining  motivated and
qualified personnel; and the ability of Corsair to avoid patent and intellectual
property  litigation.  If Corsair is not successful in addressing such risks, as
well as the others set forth herein,  Corsair's business,  operating results and
financial condition will be materially adversely affected.

      Dependence  on  PhonePrint;  Dependence on Analog  Networks.  Prior to the
acquisition of Subscriber,  Corsair's  revenues were primarily  attributable  to
PhonePrint,  Corsair's cloning fraud prevention system, and Corsair  anticipates
that PhonePrint will continue to account for a significant  portion of Corsair's
revenues.  As a result,  Corsair's future  operating  results will depend on the
demand for and market  acceptance of  PhonePrint.  A relatively  small number of
analog network  carriers  constitute the potential  customers for PhonePrint.  A
large  majority  of the analog  carriers  in the largest  U.S.  markets  have to
varying degrees already implemented cloning fraud solutions, and there can be no
assurance that Corsair will be able to achieve  material  revenues from the sale
of PhonePrint to remaining  potential  customers in the U.S. Corsair anticipates
that the demand for cloning  fraud  solutions  in the U.S.  will  decline in the
future. If not offset by growth in international markets, this trend will have a
material adverse effect on Corsair's  business,  operating results and financial
condition.  Over time, this trend could also occur in international  markets. As
analog  network  carriers  adopt  cloning  fraud  solutions  for their  existing
networks, the future commercial success of PhonePrint will depend in part on the
further  expansion of analog networks by those  carriers.  If analog networks do
not continue to expand, expand slowly or expand in a manner that does not create
significant new demand for cloning fraud  solutions,  then the future demand for
PhonePrint  would be materially  adversely  affected.  There can be no assurance
that the international  market for cloning fraud solutions will grow as the U.S.
market  declines as a result of U.S.  analog  network  carriers  having  adopted
solutions to their cloning fraud  problems,  or that current or future levels of
revenues  attributable to PhonePrint will be maintained or will not decline. Any
reduction in the demand for PhonePrint  would have a material  adverse effect on
Corsair's business, operating results and financial condition.

      All of Corsair's  customers for PhonePrint to date have been carriers that
operate analog networks.  Wireless services operating in digital mode, including
PCS and ESMR in the U.S. and Global System for Mobile Communications  ("GSM") in
many foreign  countries  (including  many  European  countries),  use or may use
authentication  processes that  automatically  establish the validity of a phone
each time it attempts to access the wireless telecommunications network. Corsair
is not aware of any  information  that  suggests  that cloners have been able to
break  the  authentication   encryption  technologies.   Unless  the  encryption
technologies  that form the  basis for  authentication  are  broken by  cloners,
Corsair does not believe that operators of digital  networks will purchase third
party radio frequency ("RF") fingerprinting  solutions for cloning fraud such as
PhonePrint.  In addition,  authentication processes for analog networks are also
currently available.  Corsair is also very dependent on the continued widespread
use of analog networks.  While there are currently over 40 million analog phones
in existence  in the U.S.,  industry  experts  project that the number of analog
phones will decline in the future.  Any  reduction  in demand by analog  network
carriers  for cloning  fraud  solutions  would,  or any  reduction in the use of
analog  phones  could,  have a material  adverse  effect on Corsair's  business,
operating results and financial condition.

      Dependence on Product  Introductions and Product  Enhancements.  Corsair's
future  success  depends  on  the  timely  introduction  and  acceptance  of new
products,  new versions of existing products and product enhancements.  However,
there can be no  assurance  that any new  products,  new  versions  of  existing
products or product  enhancements  Corsair attempts to develop will be developed
<PAGE>

successfully  or on schedule,  or if  developed,  that they will achieve  market
acceptance.   In  addition,   there  can  be  no  assurance  that  Corsair  will
successfully execute its strategy of acquiring additional  businesses,  products
and  technologies  from third  parties.  In the case of products that can locate
wireless phones, the U.S. Federal Communications Commission ("FCC") has mandated
that  wireless  telecommunications  carriers be able to identify the location of
emergency  911  callers by  October  2001.  Corsair  has a  significant  product
development   effort   underway   addressing   the   need   of   U.S.   wireless
telecommunications  carriers  resulting  from the FCC  mandate.  There can be no
assurance  that the FCC mandate  will not be  abolished  or altered in a fashion
that reduces or eliminates any potential  demand for products  addressing  phone
location.  There  can  be no  assurance  that  any  wireless  telecommunications
carriers will purchase any phone location  products before the effective date of
the FCC mandate,  October 2001.  Furthermore,  Corsair has  significant  product
development   efforts  underway  aimed  at  developing  next  versions  of  CRM,
FraudWatch Pro and PrePay. Any failure to introduce commercially  successful new
products,  new  versions of existing  products  or product  enhancements  or any
significant  delay in the  introduction  of such new  products,  new versions of
existing products or product  enhancements  would have a material adverse effect
on Corsair's business, operating results and financial condition.

      The process of developing new products,  new versions of existing products
and product enhancements for use in the wireless  telecommunications industry is
extremely  complex and is expected to become more  complex and  expensive in the
future as new platforms and technologies emerge. In particular, Corsair is aware
of significant  technical  challenges with respect to the phone location product
it is currently  attempting  to develop.  In the past,  Corsair has  experienced
delays in the introduction of certain product enhancements,  and there can be no
assurance  that new  products,  new  versions  of  existing  products or product
enhancements  will be introduced  on schedule or at all. Any new  products,  new
versions of existing  products or product  enhancements may also contain defects
when  first  introduced  or when new  versions  are  released.  There  can be no
assurance that, despite testing,  defects will not be found in new products, new
versions of existing  products or product  enhancements  after  commencement  of
commercial  shipments,  resulting in loss of or delay in market acceptance.  Any
loss of or delay in market  acceptance  would have a material  adverse effect on
Corsair's business, operating results and financial condition.

      Fluctuations in Quarterly Financial Results;  Lengthy Sales Cycle. Corsair
has experienced significant  fluctuations in revenues and operating results from
quarter to quarter  due to a  combination  of factors  and  expects  significant
fluctuations  to continue in future  periods.  Factors  that are likely to cause
Corsair's  revenues and operating results to vary  significantly from quarter to
quarter include,  among others: the level and timing of revenues associated with
PhonePrint;  the timing of the  introduction  or  acceptance of new products and
services  and  product  enhancements  offered  by Corsair  and its  competitors;
changes  in  governmental   regulations  or  mandates   affecting  the  wireless
telecommunications  industry;  technological  changes  or  developments  in  the
wireless  telecommunications  industry;  the  size,  product  mix and  timing of
significant orders; the timing of system revenue; competition and pricing in the
markets in which  Corsair  competes;  the degree to which  Corsair  successfully
integrates  Subscriber  and the time period  during  which  integration  efforts
occur;  Corsair's  ability to cause the  business  conducted  by  Subscriber  to
achieve and sustain  profitability;  possible  recalls;  lengthy  sales  cycles;
production or quality problems; the timing of development expenditures;  further
expansion  of  sales  and  marketing  operations;  changes  in  material  costs;
disruptions in sources of supply;  capital  spending;  the timing of payments by
customers; potential reduction in demand in the international markets because of
economic  or  political  conditions  in those  countries  and changes in general
economic  conditions.  These and other  factors could cause Corsair to recognize
relatively  large amounts of revenue over a very short period of time,  followed
by a period during which relatively little revenue is recognized. Because of the
relatively  fixed nature of most of Corsair's  costs,  including  personnel  and
facilities costs, any  unanticipated  shortfall in revenues in any quarter would
have a material  adverse impact on Corsair's  operating  results in that quarter
and would likely  result in  substantial  adverse  fluctuations  in the price of
Corsair's Common Stock. Accordingly,  Corsair expects that from time to time its
future  operating  results will be below the expectations of market analysts and
investors,  which would likely have a material  adverse effect on the prevailing
market price of Corsair Common Stock.

      A carrier's  decision to deploy  PhonePrint and other products  offered by
Corsair  typically  involves a significant  commitment of capital by the carrier
and approval by its senior management. Consequently, the timing of purchases are
subject to  uncertainties  and delays  frequently  associated  with  significant
capital  expenditures,  and Corsair is not able to  accurately  forecast  future
sales of  PhonePrint  or any of its other  products.  In addition,  purchases of
PhonePrint and certain of Corsair's other products involve testing, integration,
implementation and support requirements.  For these and other reasons, the sales
cycle  associated  with the purchase of PhonePrint and Corsair's  other products
typically  ranges  from three to 18 months and are  subject to a number of risks
<PAGE>

over which Corsair has little  control,  including  the carrier's  budgetary and
capital  spending  constraints  and  internal   decision-making   processes.  In
addition,  a  carrier's  purchase  decision  may  be  delayed  as  a  result  of
announcements by Corsair or competitors of new products or product  enhancements
or by  regulatory  developments.  Corsair  expects  that there will be a lengthy
sales  cycle with  respect  to new  products,  if any,  that it may offer in the
future.  Because of this lengthy sales cycle and the relatively  large size of a
typical order and because Corsair does not recognize revenue on PhonePrint sales
upon shipment if a sales agreement  contemplates  that Corsair provide  testing,
integration or implementation  services or contains other contractual acceptance
criteria,  if revenues  forecasted  from a specific  customer  for a  particular
quarter are not realized in that quarter,  Corsair's  operating results for that
quarter could be materially and adversely affected.

      Risks Associated with International  Markets.  In an effort to offset what
Corsair  expects  will  be  declining  demand  in the  U.S.  for  cloning  fraud
solutions,  Corsair  intends to devote  significant  marketing and sales efforts
over the next several years to increase its sales of PhonePrint, CRM, FraudWatch
Pro, PrePay and IMR to international customers.  This expansion of sales efforts
outside of the U.S. will require significant  management attention and financial
resources.  Corsair  expects that sales  outside of the U.S.  will account for a
significant  portion of the revenues  Corsair derives from CRM,  FraudWatch Pro,
PrePay and IMR.  There can be no assurance  that Corsair will be  successful  in
achieving  significant  sales of PhonePrint and other products in  international
markets.  Corsair does not expect to sell  PhonePrint in the many  international
markets  that rely  primarily  on  digital  wireless  networks,  including  many
European countries. There may not be demand in foreign countries with respect to
new products, if any, that Corsair may offer. For example,  Corsair is currently
developing  a  product   addressing   the  U.S.   FCC  mandate   that   wireless
telecommunications  carriers be able to identify the  location of emergency  911
callers by October 2001.  Corsair is not aware of any  corresponding  regulatory
requirement in any foreign country.

      Corsair's  international  sales  may be  denominated  in  foreign  or U.S.
currencies.  Corsair  does not  currently  engage in  foreign  currency  hedging
transactions.  As a  result,  a  decrease  in the  value of  foreign  currencies
relative to the U.S. dollar could result in losses from transactions denominated
in foreign  currencies.  With respect to Corsair's  international sales that are
U.S.  dollar-denominated,  such a decrease  could make  Corsair's  products less
price-competitive. Also, there can be no assurance that the current state of the
Asian  economy will not cause  Corsair's  sales  revenue to decline.  Additional
risks inherent in Corsair's international business activities include changes in
regulatory  requirements,  the  costs  and risks of  localizing  and  supporting
systems and  software in foreign  countries,  tariffs and other trade  barriers,
political and economic instability, reduced protection for intellectual property
rights in certain  countries,  difficulties  in staffing  and  managing  foreign
operations,  difficulties  in  managing  distributors,  potentially  adverse tax
consequences,  foreign currency exchange  fluctuations,  the burden of complying
with a wide variety of complex  foreign laws and treaties and the possibility of
difficulty in accounts  receivable  collections.  Product service and support is
generally  more  complicated  and  expensive  with  respect to products  sold in
international  markets.  Corsair  may need to adapt its  products  to conform to
different  technical  standards  that may  exist in  foreign  countries.  Future
customer  purchase  agreements may be governed by foreign laws, which may differ
significantly from U.S. laws.  Therefore,  Corsair may be limited in its ability
to enforce its rights under such agreements and to collect damages,  if awarded.
There can be no  assurance  that any of these  factors  will not have a material
adverse effect on Corsair's business, operating results and financial condition.

      Integration of Recent Acquisition.  Corsair Communications,  Inc. recently
acquired  Subscriber  by  merging a  subsidiary  with  Subscriber.  As a result,
Corsair will now be significantly  more complex and diverse than it was prior to
the  acquisition..  Following this  acquisition,  to achieve optimal  synergies,
Corsair will need to successfully integrate and streamline overlapping functions
and control  expenditures  resulting  from its  respective  business  operations
located in Palo Alto and  Irvine,  California.  In  addition,  Corsair  must now
integrate  different systems and procedures in certain areas of operations.  The
effort to reconcile systems and procedures required and the impact of success or
failure  may be  material.  There  can  be no  assurance  that  the  process  of
integrating  the two companies  can be  effectively  managed to achieve  desired
results.  Any delay or failure in  integrating  the two  companies  could have a
material adverse effect on Corsair's  business,  operating results and financial
condition.

      Potential  Acquisitions.  Corsair has in the past evaluated and expects in
the future to pursue  acquisitions of businesses,  products or technologies that
complement Corsair's business. Future acquisitions may result in the potentially
dilutive  issuance  of  equity  securities,  the  use  of  cash  resources,  the
incurrence  of  additional  debt,  the  write-off  of  in-process  research  and
development or software  acquisition and development  costs and the amortization
of expenses related to goodwill and other intangible  assets, any of which could
have a material  adverse  effect on Corsair's  business,  operating  results and
<PAGE>

financial  condition.  Future  acquisitions  would involve  numerous  additional
risks, including  difficulties in the assimilation of the operations,  services,
products and personnel of an acquired  business,  the diversion of  management's
attention from other business  concerns,  entering  markets in which Corsair has
little or no direct prior  experience and the potential loss of key employees of
an acquired business. In addition,  there can be no assurance that Corsair would
be successful in completing any acquisition. Corsair does not currently have any
agreement or understanding with regard to any acquisition.

      Highly Competitive Industry. The market for products and services provided
to wireless  telecommunications  carriers is highly  competitive  and subject to
rapid  technological  change,  regulatory  developments  and  emerging  industry
standards.  In addition, many wireless  telecommunications  carriers and vendors
may be capable of developing and offering products and services competitive with
new  products,  if any,  that  Corsair  may offer in the  future.  Trends in the
wireless  telecommunications   industry,  including  greater  consolidation  and
technological or other developments that make it simpler or more  cost-effective
for wireless  telecommunications carriers to provide certain services themselves
could affect demand for new products, if any, offered by Corsair, and could make
it more  difficult  for  Corsair  to  offer a  cost-effective  alternative  to a
wireless  telecommunications  carrier's own capabilities.  Corsair is aware of a
number of  companies  that have either  announced an intention to develop or are
capable of developing  products that would compete with the products  Corsair is
developing,  and Corsair  anticipates  the  entrance of new  competitors  in the
wireless  telecommunications  carrier service industry in the future.  Corsair's
ability to sell new  products,  if any,  may be hampered by  relationships  that
competitors  have with carriers  based upon the prior sale of other  products to
carriers.

      The market for PhonePrint is intensely competitive.  Corsair believes that
the primary  competitive factors in the cloning fraud prevention market in which
it currently competes include product effectiveness and quality,  price, service
and support  capability and compatibility  with cloning fraud prevention systems
used by the carrier in other  geographic  markets and by the  carrier's  roaming
partners.  There has been a tendency for carriers  that  purchase  cloning fraud
prevention  systems to purchase  products from the company that supplies cloning
fraud prevention  systems to other carriers with whom the purchasing carrier has
a roaming  arrangement.  As a result,  Corsair expects it will be  significantly
more difficult to sell PhonePrint to a carrier if the carrier's roaming partners
use cloning fraud prevention systems supplied by a competitor. Furthermore, once
a competitor has made a sale of RF-based cloning fraud  prevention  systems to a
carrier,  Corsair  expects  that it is  unlikely  that it  would be able to sell
PhonePrint  to that  carrier  in the  same  markets  in which  the  competitor's
products have been deployed.

      Corsair's  principal  competitor  for RF-based  cloning  fraud  prevention
systems is Cellular Technical Services Company, Inc. ("CTS"). CTS has agreements
pursuant to which it has  installed or will install its RF-based  cloning  fraud
prevention  system in many major U.S.  markets.  PhonePrint also competes with a
number of alternative technologies, including profilers, personal identification
numbers and authentication.  Corsair is aware of numerous  companies,  including
GTE  Telecommunications   Services,  Inc.  ("GTE"),   Authentix  Network,  Inc.,
Lightbridge,  Inc. ("Lightbridge"),  Systems/Link Corporation  ("Systems/Link"),
International  Business Machines Corporation ("IBM") and Digital Equipment Corp.
("DEC")  that  currently  are or are  expected to offer  products in the cloning
fraud prevention area. In addition, carriers may themselves develop technologies
that limit the demand for  PhonePrint.  There can be no assurance  that any such
company or any other  competitor  will not  introduce  a new  product at a lower
price or with greater functionality than PhonePrint. Furthermore, the demand for
PhonePrint would be materially adversely affected if wireless telecommunications
carriers  implement  authentication  technology  applicable  to analog phones as
their  sole  cloning  fraud  solution  in  major  markets,   if  U.S.   wireless
telecommunications  carriers adopt a uniform  digital  standard that reduces the
<PAGE>

need for digital  phones to operate in analog mode while  roaming,  or if analog
phone makers change product designs and/or improve manufacturing  standards to a
point where the difference  from phone to phone in the radiowave form becomes so
small that it is difficult  for  PhonePrint  to identify a clone.  Any currently
available  alternative  technology or any new  technology  may render  Corsair's
products obsolete or significantly  reduce the market share afforded to RF-based
cloning fraud prevention systems like PhonePrint.

      The markets for CRM,  FraudWatch  Pro,  PrePay and IMR are  intensely  and
increasingly competitive,  subject to rapid change and significantly affected by
new product introductions and other market activities of industry  participants.
A large number of companies  currently  offer one or more  products that compete
directly with CRM, FraudWatch Pro, PrePay and IMR. For example, Corsair competes
directly with In-Touch Management  Systems,  Inc. and Keenan Systems Corporation
in  paging  billing   systems;   with  AG   Communications   Systems,   National
Telemanagement  Corporation,  Systems/Link,  GTE, Glenayre  Technologies,  Inc.,
Brite Voice  Systems,  Inc. and Boston  Communications  Group,  Inc. for prepaid
billing;  with GTE, Lightbridge,  Systems/Link,  IBM, DEC and Hewlett-Packard in
real time fraud  profiler  systems;  with Metapath  Software  Corp. and ACE*Comm
Corporation for mediation systems;  and with Daleen  Technologies,  Inc., Keenan
Systems Corporation, Sema Group Telecoms, Inc., LHS Group, Inc. and AMDOCS, Inc.
for its suite billing products.  Corsair also competes with companies offering a
breadth of software knowledge  applicable to a variety of industries,  including
communications  businesses.  Such  companies  include  Andersen  Consulting  and
Electronic  Data  Systems   Corporation.   Several  of  these  competitors  have
significantly  greater  financial,  technical,  marketing  and other  resources,
significantly  greater name recognition and a larger installed base of customers
than  Corsair.  As a result,  Corsair's  competitors  may be able to adapt  more
quickly to new or emerging  technologies and changes in subscriber  requirements
or may be able to devote  greater  resources to the  promotion and sale of their
products and services.

      Corsair believes that its ability to compete in the future depends in part
on a number of competitive factors outside its control, including the ability to
hire and retain  employees,  the  development by others of products and services
that are competitive  with Corsair's  products and services,  the price at which
others offer comparable products and services and the extent of its competitors'
responsiveness  to customer needs.  Many of Corsair's  competitors and potential
competitors have significantly greater financial, marketing, technical and other
competitive resources than Corsair's. As a result,  Corsair's competitors may be
able to adapt  more  quickly  to new or  emerging  technologies  and  changes in
customer  requirements  or  may be  able  to  devote  greater  resources  to the
promotion and sale of their products and services.  To remain competitive in the
market for products and services sold to wireless  telecommunications  carriers,
Corsair will need to continue to invest  substantial  resources in  engineering,
research and development and sales and marketing. There can be no assurance that
Corsair will have sufficient  resources to make such investments or that it will
be able to make the  technological  advances  necessary  to remain  competitive.
Accordingly,  there can be no  assurance  that  Corsair  will be able to compete
successfully with respect to new products, if any, it offers in the future.

      Customer  Concentration.  To date, a very significant portion of Corsair's
revenues in any particular  period has been  attributable to a limited number of
customers.  Any failure to capture a significant  share of those customers could
have a material  adverse  effect on Corsair's  business,  operating  results and
financial condition. Corsair expects a relatively small number of customers will
continue to represent a significant  percentage  of its total  revenues for each
quarter for the  foreseeable  future,  although the companies  that comprise the
largest  customers in any given quarter may change from quarter to quarter.  The
terms of Corsair's  agreements  with its PhonePrint  customers are generally for
periods of between  two and five  years.  Although  these  agreements  typically
contain annual software license fees and various service and support fees, there
are no minimum  payment  obligations or obligations to make future  purchases of
hardware or to license additional  software.  The terms of Corsair's  agreements
for its other products do not contain  obligations  for the customer to purchase
additional products.  Therefore, there can be no assurance that any of Corsair's
current customers will generate significant revenues in future periods.

      Uncertainty  Regarding  Patents and Protection of Proprietary  Technology;
Risks of Future  Litigation.  Corsair relies on a combination  of patent,  trade
secret,  copyright  and trademark  protection  and  nondisclosure  agreements to
protect its proprietary  rights.  Corsair's success will depend in large part on
its ability to obtain patent protection,  defend patents once obtained,  license
third party  proprietary  rights,  maintain  trade  secrets and operate  without
infringing  upon the  patents  and  proprietary  rights of  others.  The  patent
positions of companies in the wireless telecommunications industry are generally
uncertain  and  involve  complex  legal and factual  questions.  There can be no
assurance that patents will issue from any patent applications owned or licensed
or that, if patents do issue, the claims allowed would be sufficiently  broad to

<PAGE>

protect the applicable technology.  In addition,  there can be no assurance that
any issued  patents owned or licensed  will not be  challenged,  invalidated  or
circumvented,  or that the rights granted  thereunder  will provide  competitive
advantages.  Furthermore,  the laws of certain  countries in which Corsair sells
its respective products do not protect software and intellectual property rights
to the same extent as do the laws of the U.S.

      Patents issued and patent  applications filed relating to products used in
the  wireless  telecommunications  industry  are  numerous  and  there can be no
assurance  that current and potential  competitors  and other third parties have
not filed or in the future will not file  applications for, or have not received
or in the future  will not  receive,  patents or obtain  additional  proprietary
rights  relating to products used or proposed to be used by Corsair.  Corsair is
aware of patents  granted to third  parties  that relate to  potential  products
currently  being  developed.  Corsair will need to either design those potential
products in a manner that does not  infringe the  third-party  patents or obtain
licenses from the third parties, and there can be no assurance that Corsair will
be able to do so. There can be no assurance that Corsair is aware of all patents
or patent  applications  that may materially  affect its ability to make, use or
sell any current or future products.  U.S. patent  applications are confidential
while pending in the U.S. Patent and Trademark Office,  and patent  applications
filed in foreign  countries  are often first  published six months or more after
filing.  There can also be no  assurance  that  third  parties  will not  assert
infringement claims in the future or that any such assertions will not result in
costly  litigation  or  require  Corsair  to  obtain a license  to  intellectual
property  rights  of such  parties.  There  can be no  assurance  that  any such
licenses  would  be  available  on  terms  acceptable  to  Corsair,  if at  all.
Furthermore,  parties  making  such claims may be able to obtain  injunctive  or
other equitable relief that could  effectively  block Corsair's ability to make,
use,  sell or  otherwise  practice  its  intellectual  property  (whether or not
patented or described in pending patent applications),  or to further develop or
commercialize  its products in the U.S. and abroad and could result in the award
of  substantial  damages.  Defense of any  lawsuit or failure to obtain any such
license could have a material  adverse effect on Corsair's  business,  operating
results or financial condition.

      Corsair also relies on unpatented trade secrets to protect its proprietary
technology,  and no  assurance  can be given that others will not  independently
develop or otherwise acquire the same or substantially  equivalent  technologies
or otherwise  gain access to Corsair's  proprietary  technology or disclose such
technology or that Corsair can ultimately  protect its rights to such unpatented
proprietary  technology.  No assurance  can be given that third parties will not
obtain patent rights to such unpatented trade secrets, which patent rights could
be used to assert  infringement  claims against Corsair.  Corsair also relies on
confidentiality  agreements  with  its  employees,   vendors,   consultants  and
customers to protect  proprietary  technology.  There can be no  assurance  that
these agreements will not be breached, that there would be adequate remedies for
any  breach or that  trade  secrets  will not  otherwise  become  known to or be
independently developed by competitors. Failure to obtain or maintain patent and
trade secret protection, for any reason, could have a material adverse effect on
Corsair's business,  operating results and financial  condition.  Moreover,  the
laws of certain countries in which Corsair sells its respective  products do not
protect software and  intellectual  property rights to the same extent as do the
laws of the U.S.  Unauthorized  copying  or  misuse  of  products  could  have a
material adverse effect on Corsair's  business,  operating results and financial
condition.

      Dependence on Third-Party  Products and Services;  Sole or Limited Sources
of  Supply.  Corsair  relies to a  substantial  extent  on  outside  vendors  to
manufacture  many  of the  components  and  subassemblies  used  in  many of its
products,  including  PhonePrint,  some of  which  are  obtained  from a  single
supplier or a limited group of suppliers.  Corsair's reliance on outside vendors
generally,  and a sole or a limited group of suppliers in  particular,  involves
several risks,  including a potential  inability to obtain an adequate supply of
required  components  and reduced  control over  quality,  pricing and timing of
delivery of components. In the past, Corsair has experienced delays in receiving
materials  from  vendors,  sometimes  resulting  in  delays in the  assembly  of
products by Corsair.  Such delays, or other significant vendor or supply quality
issues, may occur in the future, which could result in a material adverse effect
on Corsair's business, operating results or financial condition. The manufacture
of certain of these  components and  subassemblies  is specialized  and requires
long lead times,  and there can be no assurance that delays or shortages  caused
by vendors will not reoccur. Any inability to obtain adequate deliveries, or any
other  circumstance  that would require Corsair to seek  alternative  sources of
supply or to manufacture such components  internally could delay the shipment of
products,  increase  cost of goods  sold and have a material  adverse  effect on
Corsair's business, operating results and financial condition. In addition, from
time to time, Corsair must also rely upon third parties to develop and introduce
components and products to enable Corsair,  in turn, to develop new products and

<PAGE>

product  enhancements  on a timely  and  cost-effective  basis.  There can be no
assurance  that  Corsair  will be able to obtain  access  in a timely  manner to
third-party  products and  development  services  necessary to enable Corsair to
develop and  introduce  new and  enhanced  products,  that  Corsair  will obtain
third-party products and development  services on commercially  reasonable terms
or that Corsair will be able to replace  third-party  products in the event such
products become  unavailable,  obsolete or incompatible  with future versions of
Corsair's products. The absence of, or any significant delay in, the replacement
of  third-party  products  could have a  material  adverse  effect on  Corsair's
business, operating results and financial condition.

      Dependence on Personnel.  The success of Corsair is dependent, in part, on
its ability to attract and retain highly qualified  personnel.  Corsair's future
business and operating  results depend upon the continued  contributions  of its
senior  management  and other  employees,  many of whom  would be  difficult  to
replace and certain of whom perform  important  functions beyond those functions
suggested by their respective job titles or  descriptions.  Competition for such
personnel is intense and the inability to attract and retain  additional  senior
management  and other  employees or the loss of one or more members of Corsair's
senior management team or current employees,  particularly to competitors, could
materially  adversely affect Corsair's business,  operating results or financial
condition.  There can be no assurance  that Corsair will be successful in hiring
or retaining requisite  personnel.  None of Corsair's employees has entered into
employment  agreements  with Corsair,  and Corsair does not have any  key-person
life insurance covering the lives of any members of its senior management team.

      Management of Growth.  Corsair has rapidly and significantly  expanded its
operations  over the past few years.  The number of Corsair  employees has grown
from 193 on December 31, 1995 to 289 on June 30,  1998.  Such growth has placed,
and, if sustained,  will continue to place,  significant  demands on management,
information  systems,  operations and resources.  The strain experienced to date
has chiefly been in hiring,  integrating  and  effectively  managing  sufficient
numbers of qualified  personnel to support the expansion of Corsair's  business.
Corsair's ability to manage any future growth, should it occur, will continue to
depend upon the  successful  expansion  of its sales,  marketing,  research  and
development,  customer support and administrative infrastructure and the ongoing
implementation  and  improvement  of a variety of internal  management  systems,
procedures and controls.  There can be no assurance that Corsair will be able to
attract, manage and retain additional personnel to support any future growth, if
any,  or  will  not  experience   significant   problems  with  respect  to  any
infrastructure expansion or the attempted implementation of systems,  procedures
and  controls.  Any  failure in one or more of these areas could have a material
adverse  effect on  Corsair's  business,  results of  operations  and  financial
condition.

      Government  Regulation  and Legal  Uncertainties.  While most of Corsair's
operations  are not directly  regulated,  existing and  potential  customers are
subject  to a  variety  of  U.S.  and  foreign  governmental  regulations.  Such
regulations may adversely affect the wireless telecommunications industry, limit
the number of potential  customers  for Corsair's  products or impede  Corsair's
ability  to  offer   competitive   products   and   services  to  the   wireless
telecommunications  industry  or  otherwise  have a material  adverse  effect on
Corsair's  business,  financial  condition and results of  operations.  Recently
enacted  legislation,   including  the  Telecommunications  Act  of  1996,  that
deregulates  the  telecommunications  industry may cause changes in the wireless
telecommunications  industry,  including  the  entrance of new  competitors  and
industry  consolidation,  which  could in turn  increase  pricing  pressures  on
Corsair,  decrease  demand for Corsair's  products,  increase  Corsair's cost of
doing  business  or  otherwise  have a  material  adverse  effect  on  Corsair's
business,  operating results and financial condition. The Telecommunications Act
of 1996 contains several provisions that may bear directly on Corsair's existing
and potential customers in the U.S.,  including provisions that require wireless
carriers to  interconnect  with local  exchange  carriers  and  contribute  to a
universal service fund, that limit the ability of state and local governments to
discriminate  against or prohibit certain  wireless  services and that may allow
certain  companies  to bundle local and long  distance  services  with  wireless
offerings.  These  provisions  may cause an  increase  in the number of wireless
telecommunications carriers which could in turn increase the number of potential
customers of Corsair. This could require Corsair to expand its marketing efforts
with no  assurance  that  revenues  would  increase  proportionately  or at all.
Alternatively,  these provisions could encourage industry  consolidation,  which
would reduce  Corsair's  potential  customer  base.  Currently the FCC and state
authorities are  implementing  the provisions of the  Telecommunications  Act of
1996 and several of the decisions by the FCC and state  authorities  are already
being  challenged in court.  Therefore,  Corsair cannot at this time predict the
extent to which the  Telecommunications  Act of 1996 will affect its current and
potential customers or ultimately affect Corsair's business, financial condition
or  results  of  operations.  If  the  recent  trend  toward  privatization  and
deregulation  of the wireless  telecommunications  industry  outside of the U.S.
were to discontinue,  or if currently deregulated  international markets were to
reinstate  comprehensive  government  regulation of wireless  telecommunications
services, Corsair's business, operating results and financial condition could be
materially and adversely affected.
<PAGE>

      Dependence on Growth of Wireless  Telecommunications  Industry.  Corsair's
future  financial  performance  will  depend in part on the  number of  carriers
seeking third-party solutions. Although the wireless telecommunications industry
has experienced  significant  growth in recent years,  there can be no assurance
that such growth will continue at similar  rates,  or that, if the industry does
grow,  there will be continued  demand for the cloning fraud prevention or other
products.  Any decline in demand for  wireless  telecommunications  products and
services in general would have a material adverse effect on Corsair's  business,
operating results and financial condition.

      Risk of System  Failure.  The  continued,  uninterrupted  operation of the
PhonePrint  system  depends on protecting it from damage from fire,  earthquake,
power loss,  communications  failure,  unauthorized  entry or other events.  Any
damage to or failure of a component or combination  of components  that causes a
significant  reduction in the  performance  of a PhonePrint  system could have a
material adverse effect on Corsair's  business,  operating results and financial
condition.  Corsair  currently  does not have  liability  insurance  to  protect
against these risks and there can be no assurance  that such  insurance  will be
available to Corsair on commercially  reasonable  terms, or at all. In addition,
if any  carrier  using  PhonePrint  encounters  material  performance  problems,
Corsair's reputation and its business, operating results and financial condition
could be materially adversely affected.

      Risk of Product Defects.  Software products such as CRM, FraudWatchPro and
PrePay frequently  contain errors or failures,  especially when first introduced
or when new versions are released.  Corsair could, in the future,  lose revenues
as a result of software errors or defects.  Corsair's  products are intended for
use in sales  applications that may be critical to a customer's  business.  As a
result,  Corsair  expects that its  customers  and  potential  customers  have a
greater  sensitivity  to product  defects than the market for software  products
generally.  There can be no assurance  that,  despite  testing by Corsair and by
current and  potential  customers,  errors will not be found in new  products or
releases  after  commencement  of  commercial  shipments,  resulting  in loss of
revenue  or delay in market  acceptance,  diversion  of  development  resources,
damage to Corsair's reputation,  or increased service and warranty costs, any of
which could have a material  adverse  effect on  Corsair's  business,  operating
results and financial condition.

      Year  2000  Compliance.  Corsair's  products  use and are  dependent  upon
certain  internally  developed and third party  software  programs.  Corsair has
initiated a review and  assessment  of all hardware  and software  used in their
respective  products  to confirm  that they will  function  properly in the year
2000.  With  respect  to  software  developed  internally,  the  results of that
evaluation  to date  have  revealed  certain  source  codes  that are  unable to
appropriately  interpret the upcoming calendar year 2000, and Corsair is working
diligently  to  upgrade  programs  to  make  them  capable  of  processing  data
incorporating  year 2000 dates without  material errors or  interruptions.  With
respect to third party  software  incorporated  in products,  all vendors  whose
software is  incorporated in PhonePrint have indicated that their software is or
will be year 2000 compliant.  Evaluation of year 2000 issues is continuing,  and
there  can be no  assurance  that  additional  issues,  not  presently  known to
Corsair,  will not be  discovered  which  could  present a material  risk to the
function of Corsair's  products and have a material  adverse effect on Corsair's
business, operating results and financial condition.

      Dependence on  Distributors.  PhonePrint is currently  marketed  primarily
through  Corsair's direct sales efforts.  Corsair has entered into  distribution
and similar agreements with respect to PhonePrint with Motorola,  Inc., Ericsson
Radio Systems AB ("Ericsson") and Aurora Wireless Technologies,  Ltd. ("Aurora")
and sales referral  agreements  with Lucent  Technologies,  Inc.  ("Lucent") and
Sumitomo   Corporation  of  America.   Corsair  has  entered  into  distribution
agreements  with a number of  distributors  with respect to certain of its other
products,   including  Ericsson,  Daewoo  Information  Systems  Company,  Groupe
Bull-Integris and Aurora. In addition,  Corsair has relationships  with a number
of third party integrators and may rely on these integrators to a greater extent
in the future.  Corsair seeks to pursue distribution  agreements and other forms
of sales and marketing  arrangements  with other companies and Corsair  believes
that its  dependence  on  distributors  and  these  other  sales  and  marketing
relationships  will increase in the future,  both with respect to PhonePrint and
to  other  products.  Generally,  there  are  no  minimum  purchase  obligations

<PAGE>

applicable to any existing distributor or other sales and marketing partners and
Corsair does not expect to have any guarantees of continuing  orders.  There can
be no  assurance  that any  existing or future  distributors  or other sales and
marketing  partners  will not  become  competitors  of Corsair  with  respect to
current  products or any future product.  Any failure by Corsair's  existing and
future   distributors  or  other  sales  and  marketing   partners  to  generate
significant revenues could have a material adverse effect on Corsair's business,
operating results and financial condition.

      Future Capital  Requirements.  Corsair's future capital  requirements will
depend upon many factors,  including the  commercial  success of PhonePrint  and
Corsair's other products,  the timing and success of new product  introductions,
if any, the progress of Corsair's research and development  efforts, its results
of operations,  the status of competitive products,  the degree to which Corsair
successfully  integrates Subscriber and the time period during which integration
efforts occur,  Corsair's ability to cause the business  conducted by Subscriber
to  achieve  and  sustain  profitability,   and  the  potential  acquisition  of
businesses,  technologies  or  assets.  Corsair  believes  that  combination  of
existing  sources of liquidity and internally  generated cash will be sufficient
to meet Corsair's  projected  cash needs for at least the next 12 months.  There
can be no assurance, however, that Corsair will not require additional financing
prior to such date to fund its  operations.  In  addition,  Corsair  may require
additional  financing  after such date to fund its  operations.  There can be no
assurance  that  any  additional  financing  will be  available  to  Corsair  on
acceptable  terms, or at all, when required.  If additional  funds are raised by
issuing equity  securities,  further dilution to the existing  stockholders will
result.  If adequate funds are not available,  Corsair may be required to delay,
scale back or eliminate one or more of its development or manufacturing programs
or obtain funds through arrangements with third parties that may require Corsair
to relinquish  rights to certain of its  technologies  or potential  products or
other assets that  Corsair  would not  otherwise  relinquish.  Accordingly,  the
inability  to obtain  such  financing  could have a material  adverse  effect on
Corsair's business, operating results and financial condition.

      Volatility of Stock Price.  The market price of Corsair's  Common Stock is
likely to be  highly  volatile  and could be  subject  to wide  fluctuations  in
response  to  numerous  factors,   including,   but  not  limited  to,  revenues
attributable  to PhonePrint and Corsair's  other  products,  new products or new
contracts by Corsair or its  competitors,  actual or  anticipated  variations in
operating  results,  the  level of  operating  expenses,  changes  in  financial
estimates   by   securities   analysts,   potential   acquisitions,   regulatory
announcements,  developments  with  respect to patents  or  proprietary  rights,
conditions and trends in the wireless  telecommunications  and other industries,
adoption  of new  accounting  standards  affecting  the  industry,  economic  or
political  conditions in foreign countries and general market  conditions.  As a
result,  Corsair expects that from time to time future operating results will be
below the expectations of market analysts and investors, which would likely have
a material  adverse  effect on the  prevailing  market  price of Corsair  Common
Stock.  The  realization  of any of the  risks  described  in these  "Risks  and
Uncertainties"  could have a dramatic and adverse  impact on the market price of
Corsair Common Stock.

      Further,  the stock  market  has  experienced  extreme  price  and  volume
fluctuations  that  have  particularly  affected  the  market  prices  of equity
securities of many companies in the  telecommunications  industry and that often
have been  unrelated or  disproportionate  to the operating  performance of such
companies. These market fluctuations, as well as general economic, political and
market conditions such as recessions or international  currency fluctuations may
adversely  affect  the  market  price of  Corsair  Common  Stock.  In the  past,
following  periods  of  volatility  in the  market  price of the  securities  of
companies in the telecommunications industry, securities class action litigation
has  often  been  instituted  against  those  companies.   Such  litigation,  if
instituted against Corsair, could result in substantial costs and a diversion of
management  attention and resources,  which would have a material adverse effect
on Corsair's business, operating results and financial conditions.

      Antitakeover  Effects of  Charter,  Bylaws  and  Delaware  Law.  Corsair's
Restated  Certificate  of  Incorporation  authorizes  the Corsair Board to issue
shares of  undesignated  Preferred  Stock without  stockholder  approval on such
terms as the Board may  determine.  The rights of the holders of Corsair  Common
Stock will be subject to, and may be  adversely  affected  by, the rights of the
holders of any such Preferred Stock that may be issued in the future.  Moreover,
the  issuance of such  Preferred  Stock may make it more  difficult  for a third
party to acquire, or may discourage a third party from acquiring,  a majority of
the voting stock of Corsair.  Corsair's  Restated  Bylaws provide that Corsair's
Board will be classified  into three classes of directors  beginning at the 1998
annual meeting of stockholders.  With a classified Board, one class of directors
is elected each year with each class serving a three-year  term. These and other
provisions of the Restated Certificate of Incorporation and the Restated Bylaws,
as well as certain provisions of Delaware law, could delay or impede the removal
of incumbent  directors and could make more difficult a merger,  tender offer or
proxy contest involving Corsair,  even if such events could be beneficial to the
interest of the stockholders. Such provisions could limit the price that certain
investors might be willing to pay in the future for Corsair Common Stock.
    

<PAGE>


PART II - OTHER INFORMATION
   
Item 2. Change in Securities and Use of Proceeds

      From the effective  date of Corsair's  initial  registration  statement on
Form S-1 on July 29, 1997  (Registration  No.  333-28519) to June 30, 1998,  the
approximate  use of the  net  offering  proceeds  were  $10.5  million  for  the
repayment of indebtedness,  $4.6 million for capital expenditures,  and $250,000
for acquisition costs paid through June 30, 1998. The remaining balance from the
net proceeds of $39.1  million  have been  invested in  short-term  investments,
pending   future  use.  All  payments  were  direct  or  indirect   payments  to
third-parties.


Item 4. Submission of Matters to a Vote of Security Holders
I.  1998 Annual Meeting of Stockholders held on June 4, 1998

a.    The 1998 Annual  Meeting of  Stockholders  of Corsair,  Inc.  (the "Annual
      Meeting")  was held on June 4,  1998.  The  holders  of  8,749,911  of the
      13,715,538  shares of the Company's  Common Stock  outstanding on April 6,
      1998, the record date for the Annual  Meeting  (approximately  63%),  were
      present at the Annual Meeting in person or by proxy.

b.    At the Annual  Meeting,  the seven  individuals  listed  below were duly
      nominated and properly  elected as Directors of the Company.  Stephen M.
      Dow and Roland L.  Robertson were elected to serve until the 1999 annual
      meeting of stockholders  or until their  successors are elected and have
      qualified.  Peter  L.S.  Currie  David H.  Ring  were  elected  to serve
      until the 2000 annual meeting of stockholders or until their  successors
      are elected  and have  qualified.  Kevin R.  Compton and Mary Ann Byrnes
      were elected to serve until the 2001 annual meeting of  stockholders  or
      until their  successors  are elected and have  qualified.  The number of
      votes cast for and  withheld  with  respect to each  nominee for office,
      as well as broker non-votes  are indicated below:
<TABLE>
<CAPTION>

                                 For         Against/Withheld Broker Non-Votes
    
                            ---------------  --------------  -----------------
<S>                         <C>              <C>             <C>
   
Mary Ann Byrnes               8,740,793          9,118              0
Kevin R. Compton              8,740,793          9,118              0
Peter L.S. Currie             8,740,793          9,118              0
Stephen M. Dow                8,748,495          1,416              0
David H. Ring                 8,740,693          9,218              0
Roland L. Robertson           8,748,395          1,516              0
</TABLE>

At the Annual  Meeting,  a proposal  to ratify  the  appointment  of KPMG Peat
Marwick  LLP as  the  Company's  independent  auditors  for  fiscal  1998  was
approved.  The  number  of votes  cast  for,  against  and to  abstain  on the
proposal, as well as broker non-votes, are indicated below:
<TABLE>
<CAPTION>

         For              Against          Abstentions           Broker
                                                                Non-Votes
    
   ------------------- ---------------  -------------------  ---------------
<S><C>                 <C>              <C>                  <C>
   
      8,745,756            3,190               965                 0
</TABLE>


II.  Special Meeting of Stockholders held on June 22, 1998
a.    A Special Meeting of Stockholders of Corsair  Communications,  Inc. (the
      "Special  Meeting") was held on June 4, 1998. The holders of 10,909,136 of
      the 13,743,423 shares of the Company's Common Stock outstanding on May 15,
      1998, the record date for the Special  Meeting  (approximately  79%), were
      present at the Special Meeting in person or by proxy.

b.    At the Special  Meeting,  a proposal to approve and adopt the  Agreement
      and  Plan or  Reorganization  dated  April 2,  1998,  by and  among  the
      Company,  Anteater  Acquisition  Corp.  ("Merger  Sub"),  and Subscriber
      Computing, Inc. ("Subscriber"),  to approve the Company's acquisition of
      Subscriber  through  a merger of  Merger  Sub with and into  Subscriber,
      with  Subscriber   being  the  surviving   corporation  and  becoming  a
      wholly-owned  subsidiary of the Company and to authorize the issuance of
      the Company's  Common Stock,  as  consideration  for its  acquisition of
      Subscriber  was approved.  The number of votes cast for,  against and to
      abstain on the  proposal,  as well as broker  non-votes,  are  indicated
      below
<TABLE>
<CAPTION>

         For              Against          Abstentions        Broker Non-Votes
    
   ------------------  ---------------  -------------------  -------------------
<S><C>                 <C>              <C>                  <C>
   
      10,901,317           3,693              4,126                  0
</TABLE>

      At the Special  Meeting,  a proposal to approve and adopt an  amendment to
      the Company's 1997 Stock Incentive Plan to increase the authorized  number
      of shares of the Company's  Common Stock available for issuance under such
      plan from  1,337,633 to 2,587,633 was  approved.  The number of votes cast
      for, against and to abstain on the proposal,  as well as broker non-votes,
      are indicated below:
<TABLE>
<CAPTION>

         For              Against          Abstentions        Broker Non-Votes
    
   ------------------  ---------------  -------------------  -------------------
<S><C>                 <C>              <C>                  <C>
   
      9,442,393          1,460,047            6,696                  0
</TABLE>

      At the Special  Meeting,  a proposal to approve and adopt an  amendment to
      the Company's 1997 Employee Stock Purchase Plan to increase the authorized
      number of shares of the  Company's  Common  Stock  available  for issuance
      under such plan from 167,667 to 266,667 was approved.  The number of votes
      cast  for,  against  and to  abstain  on the  proposal,  as well as broker
      non-votes, are indicated below:
<TABLE>
<CAPTION>

         For              Against          Abstentions        Broker Non-Votes
    
   ------------------  ---------------  -------------------  -------------------
<S><C>                 <C>              <C>                  <C>
   
      10,888,690           13,850             6,596                  0
</TABLE>

Item 5. Other Information.

      On  August 4,  1998,  Roland L.  Robertson  resigned  as a member of the
registrant's  board  of  directors.  Mr.  Robertson's  resignation  was  not a
result of any dispute or disagreement with the registrant.

Item 6. Exhibits and Reports on Form 8-K.
    

a.    Exhibits
   
      3.1 Amended and Restated Certificate of Incorporation of the Company
             previously filed as Exhibit 3.2 on Form S-1, File No. 333-28519,
             and incorporated herein by reference.
      3.2 Restated Bylaws of the Company  previously  filed as Exhibit 3.4
             on Form S-1, File No. 333-28519, and incorporated herein by
             reference.
      4.1 Form of Certificate for Common Stock previously filed asExhibit 4.1on
             Form S-1, File No. 333-28519, and incorporated herein by reference.
      27.1  Financial Data Schedule

b.   Reports on Form 8-K.  None
    

<PAGE>


                                   SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.


                                    Corsair Communications, Inc.


   
Date:   August 14 , 1998   By:      /s/ Martin J. Silver
      ------------------            --------------------
    

                                Martin J. Silver
                                    Chief Financial Officer and Secretary
                                      (Duly Authorized Officer and Principal
                                      Financial and Accounting Officer)



<TABLE> <S> <C>

<ARTICLE>                               5
       
<S>                                            <C>
<PERIOD-TYPE>                                        6-MOS
<FISCAL-YEAR-END>                               DEC-31-1998
<PERIOD-START>                                  JAN-01-1998
<PERIOD-END>                                    JUN-30-1998

<CASH>                                           6,616
<SECURITIES>                                    49,435
<RECEIVABLES>                                   10,589
<ALLOWANCES>                                     1,894
<INVENTORY>                                      5,254
<CURRENT-ASSETS>                                72,264
<PP&E>                                           9,151
<DEPRECIATION>                                   1,420
<TOTAL-ASSETS>                                  81,654
<CURRENT-LIABILITIES>                           24,596
<BONDS>                                              0
                                0
                                          0
<COMMON>                                            18
<OTHER-SE>                                      54,717
<TOTAL-LIABILITY-AND-EQUITY>                    81,654
<SALES>                                         29,263
<TOTAL-REVENUES>                                37,561
<CGS>                                           12,000
<TOTAL-COSTS>                                   16,494
<OTHER-EXPENSES>                                25,461
<LOSS-PROVISION>                                   750
<INTEREST-EXPENSE>                              (1,671)
<INCOME-PRETAX>                                 (2,723)
<INCOME-TAX>                                       364
<INCOME-CONTINUING>                             (3,087)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                   (226)
<CHANGES>                                            0
<NET-INCOME>                                    (3,313)
<EPS-PRIMARY>                                    (0.19)
<EPS-DILUTED>                                    (0.19)
        

</TABLE>


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