NETWORK ASSOCIATES INC
S-3/A, 1998-02-19
PREPACKAGED SOFTWARE
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<PAGE>   1
   
   As filed with the Securities and Exchange Commission on February 19, 1998
                                                      Registration No. 333-_____
    

================================================================================
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                              --------------------
   
                         Pre-Effective Amendment No. 1
                                       to
    
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

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

                            NETWORKS ASSOCIATES, INC.
                       (FORMERLY MCAFEE ASSOCIATES, INC.)
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

           Delaware                                             77-0316593
(STATE OR OTHER JURISDICTION OF                             (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION)                            IDENTIFICATION NUMBER)

                               2805 Bowers Avenue
                          Santa Clara, California 95051
                                 (408) 988-3832

    (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                  OF REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
                                WILLIAM L. LARSON
                      President and Chief Executive Officer
                            Networks Associates, Inc.
                               2805 Bowers Avenue
                          Santa Clara, California 95051
                                 (408) 988-3832
          (Name and address, including zip code, and telephone number,
                   including area code, of agent for service)

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

                                   Copies to:

                             Jeffrey D. Saper, Esq.
                              Kurt J. Berney, Esq.
                        Wilson Sonsini Goodrich & Rosati
                            Professional Corporation
                               650 Page Mill Road
                            Palo Alto, CA 94304-1050

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

        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
  As soon as practicable after this Registration Statement becomes effective.

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

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

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

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

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

                         CALCULATION OF REGISTRATION FEE
<TABLE>
<CAPTION>

  Title of each class of                                  Proposed Maximum Offering    Proposed Maximum Aggregate    Amount of
Securities to be Registered     Amount to be Registered     Price per Security (1)          Offering Price(1)      Registration Fee
- ---------------------------     -----------------------     ----------------------          -----------------      ----------------
<S>                             <C>                       <C>                          <C>                         <C>    
Common Stock, $0.01 par value       1,059,477 shares                 $56.13                     $59,532,013             $17,543

Common Stock Issuable Upon                                                                                                     
 Exercise of Warrants                 250,000 shares                 $60.00                     $15,000,000             $ 4,425
                                    ----------------                                            -----------             -------
Totals                              1,309,477 shares                                            $74,532,013             $21,968
                                    ================                                            ===========             =======
</TABLE>

- ---------- 
(1) The price of $56.13 per share, which was the average of the high and low
prices of the Common Stock on the Nasdaq National Market on February 6, 1998, is
set forth solely for the purpose of calculating the registration fee in
accordance with Rule 457(c) of the Securities Act of 1933, as amended.

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


<PAGE>   2

         THE INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT.
A REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY AN
OFFER TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT BECOMES
EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR THE
SOLICITATION OF AN OFFER TO BUY, NOR SHALL THERE BE ANY SALE OF THESE SECURITIES
IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.


   
                 SUBJECT TO COMPLETION, DATED FEBRUARY 19, 1998
    
                                1,309,477 SHARES

                           NETWORKS ASSOCIATES, INC.

                                  COMMON STOCK

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

         This Prospectus relates to the public offering, which is not being
underwritten, of 1,309,477 shares (the "Shares") of Common Stock, $0.01 par
value (the "Common Stock") of Networks Associates, Inc. (the "Company"). The
Shares are outstanding shares of Company Common Stock or shares of Common Stock
issuable upon the conversion of Company warrants to acquire Common Stock that
may be sold from time to time by or on behalf of certain stockholders of the
Company or by pledgees, donees, transferees or other successors in interest that
receive such Shares as a gift, distribution or other non-sale related transfer
(the "Selling Stockholders"). The Selling Stockholders acquired the Shares and
such Company warrants in private transactions in which the Company acquired
Schuijers Holding B.V., a Dutch corporation ("Schuijers"), FSA Combination
Corp., a Delaware corporation ("FSA"), Kabushiki Kaisha Jade, a Japanese
corporation ("Jade"), Helix Software Company, Inc., a Georgia corporation
("Helix"), and Pretty Good Privacy, Inc., a Delaware corporation ("PGP").

         The Shares may be offered by the Selling Stockholders from time to time
in transactions on the Nasdaq National Market, in privately negotiated
transactions, or by a combination of such methods of sale, at fixed prices that
may be changed, at market prices prevailing at the time of sale, at prices
related to such prevailing market prices or at negotiated prices. The Selling
Stockholders may effect such transactions by selling the Shares to or through
broker-dealers and such broker-dealers may receive compensation in the form of
discounts, concessions or commissions from the Selling Stockholders or the
purchasers of the Shares for whom such broker-dealers may act as agent or to
whom they sell as principal or both (which compensation to a particular
broker-dealer might be in excess of customary commissions). See "Selling
Stockholders" and "Plan of Distribution."

         The Company will not receive any of the proceeds from the sale of the
Shares by the Selling Stockholders. The Company has agreed to bear certain
expenses in connection with the registration and sale of the Shares being
offered by the Selling Stockholders. In addition, the Company has agreed to
indemnify the Selling Stockholders against certain liabilities, including
liabilities arising under the Securities Act of 1933, as amended (the
"Securities Act"), or the Securities Exchange Act of 1934, as amended (the
"Exchange Act").


         On February 6, 1998, the closing bid price of the Company's Common
Stock on the Nasdaq National Market was $56.13 per share. The Common Stock is
traded under the Nasdaq symbol "NETA."

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

         The Selling Stockholders and any broker-dealers or agents that
participate with the Selling Stockholders in the distribution of the Shares may
be deemed to be "underwriters" within the meaning of Section 2(11) of the
Securities Act, and any commissions received by them and any profit on the
resale of the Shares purchased by them may be deemed to be underwriting
commissions or discounts under the Securities Act.

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

         SEE "RISK FACTORS" COMMENCING ON PAGE 8 FOR A DISCUSSION OF RISK
FACTORS THAT SHOULD BE CONSIDERED BY PROSPECTIVE INVESTORS IN THE SECURITIES
OFFERED HEREBY.

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

    THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
         AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR
            HAS THE SECURITIES AND EXCHANGE COMMISSION OR ANY STATE
               SECURITIES COMMISSION PASSED UPON THE ACCURACY OR
                ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION
                     TO THE CONTRARY IS A CRIMINAL OFFENSE.

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

   
                The date of this Prospectus is February 19, 1998
    



<PAGE>   3
 
                                   TRADEMARKS
 
     This Prospectus contains trademarks of the Company, including
CyberCop, McAfee, McAfee Total Service Desk, McAfee Total Virus Defense, Net
Tools, PGP, PGP Total Network Security, Sniffer and Sniffer Total Network
Visibility. This Prospectus may contain trademarks of others.
                            ------------------------
 
                    MCAFEE ASSOCIATES/NETWORK GENERAL MERGER
 
     On December 1, 1997, McAfee Associates, Inc. ("McAfee") and Network General
Corporation ("Network General") consummated a strategic business combination
(the "Network General Merger") through the merger of a wholly-owned subsidiary
of McAfee with and into Network General. The Network General Merger was
accounted for as a pooling of interests. In connection with the Network General
Merger, McAfee changed its name to "Networks Associates, Inc." and has since
conducted business using the name "Network Associates, Inc.," marketing products
using, among other names, Network Associates, McAfee and Network General.
                            ------------------------
 
                             AVAILABLE INFORMATION
 
     The Company is, and Network General was prior to the Network General
Merger, subject to the informational requirements of the Exchange Act, and in
accordance therewith files or filed, as the case may be, reports, proxy
statements and other information with the Securities and Exchange Commission
(the "Commission"). Such reports, proxy statements and other information filed
with the Commission by the Company and Network General can be inspected and
copied at the public reference facilities maintained by the Commission at 450
Fifth Street, N.W., Washington, D.C. 20549, and at the Commission's regional
offices located at 500 West Madison Street, Room 1400, Chicago, Illinois 60661
and at 7 World Trade Center, Suite 1300, New York, New York 10048. Copies of
such material can be obtained from the Public Reference Section of the
Commission at 450 Fifth Street, Washington, D.C. 20549, at prescribed rates, or
on the World Wide Web at http://www.sec.gov. Copies of other materials
concerning the Company can be inspected at the offices of the National
Association of Securities Dealers, Inc. at 1735 K Street, N.W., Washington, D.C.
20006.
                            ------------------------
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
     The following documents filed by the Company (formerly McAfee Associates,
Inc.) with the Commission (File No. 000-20558) pursuant to the Exchange Act are
incorporated by reference in this Prospectus:
 
   
1. The Company's Annual Report on Form 10-K for the year ended December 31,
   1997;
    
 
                                       2
<PAGE>   4
   
    
 
   
2. The Company's Current Reports on Form 8-K filed on February 12, 1998, 
   February 10, 1998, December 11, 1997, December 1, 1997, November 24, 1997 
   and March 14, 1997; and
 
3. The description of the Company's Common Stock contained in its Registration
   Statement on Form 8-A filed on August 21, 1992, including any amendments or
   reports filed for the purpose of updating such description.
    
 
   
    

     All documents filed by the Company pursuant to Sections 13(a), 13(c), 14 or
15(d) of the Exchange Act subsequent to the date of this Prospectus but
prior to the termination of the offering to which this Prospectus
relates shall be deemed to be incorporated by reference in this Prospectus
and to be part hereof from the date of filing of such documents. Any
statement contained in a document incorporated by reference herein shall be
deemed to be modified or superseded for purposes of this Prospectus to
the extent that a statement contained herein or in any other subsequently filed
document which also is incorporated herein modifies or supersedes such
statement. Any statement so modified or superseded shall not be deemed, in its
unmodified form, to constitute a part of this Prospectus.
 
     Upon written or oral request, the Company will provide without charge to
each person to whom a copy of this Prospectus is delivered a copy of
any of the documents incorporated by reference herein (other than exhibits to
such documents unless such exhibits are specifically incorporated by reference
into such documents). Requests for such documents should be submitted to Prabhat
K. Goyal, Secretary, at the principal executive offices of the Company in
writing at Network Associates, Inc., 2805 Bowers Avenue, Santa Clara, California
95051 or by telephone at (408) 988-3832.
                            ------------------------
 
                           FORWARD-LOOKING STATEMENTS
 
     This Prospectus, including the documents incorporated by reference
herein, contains forward-looking statements that involve risks and
uncertainties. The statements contained in this Prospectus or
incorporated by reference herein that are not purely historical are
forward-looking statements within the meaning of Section 27A of the Securities
Act and Section 21E of the Exchange Act, including without limitation statements
regarding the Company's expectations, beliefs, intentions or strategies
regarding the future. All forward-looking statements included in this document
or incorporated by reference herein are based on information available to the
Company on the date hereof, and the Company assumes no obligation to update any
such forward-looking statements. The Company's actual results could differ
materially from those anticipated in these forward-looking statements as a
result of certain factors, including those set forth in "Risk Factors" and
elsewhere in this Prospectus.
                            ------------------------
 
                                       3
<PAGE>   5
 
                                  THE COMPANY
 
     The Company is a leading developer and provider of network security and
management software products. The Company has historically derived a significant
majority of its revenues from the licensing of its flagship McAfee anti-virus
products and Sniffer network fault and performance management products. The
Company is currently focusing its efforts on broadening its revenue base by
providing network security and management solutions to enterprise customers,
targeting in particular the Windows NT/Intel platform. In furtherance of this
strategy, the Company recently organized its products into four product
suites -- McAfee Total Virus Defense and PGP Total Network Security (together
comprising "Net Tools Secure") and Sniffer Total Network Visibility and McAfee
Total Service Desk (together comprising "Net Tools Manager"). These four product
suites together form an integrated solution called "Net Tools".
 
     The following table depicts the Company's product suites:
- --------------------------------------------------------------------------------
                                   NET TOOLS
 
<TABLE>
<S>                       <C>                       <C>                       <C>
- --------------------------------------------------------------------------------------------------------
 
                  NET TOOLS SECURE                                   NET TOOLS MANAGER
- --------------------------------------------------------------------------------------------------------
 
    McAfee Total Virus        PGP Total Network       Sniffer Total Network      McAfee Total Service
         Defense                   Security                 Visibility                   Desk
</TABLE>
 
- --------------------------------------------------------------------------------
 
     Net Tools Secure is designed to protect the enterprise from viruses,
hackers, thefts, lost data and threats to data security at all points of entry.
McAfee Total Virus Defense is a multi-tiered approach to virus protection
covering the client, server and Internet gateway; and PGP Total Network Security
combines security products with desktop encryption software and key management
tools. Net Tools Manager is a network management and service desk solution
designed to make computer networks more efficient and users more productive.
Sniffer Total Network Visibility is a comprehensive set of products and services
for network fault and performance management (also known as analysis and
monitoring); and McAfee Total Service Desk is designed to integrate robust help
desk applications with asset management software. The Company also provides
product support, education and consulting services.
 
     Many of the Company's network security and management products, including
its industry-leading network security products for anti-virus protection and
Sniffer software-based fault and performance solutions for managing computer
networks, are also available as stand-alone products or as part of smaller
product suites. The Company is also a leader in electronic software
distribution, which is the principal means by which it markets its products and
one of the principal ways it distributes its software products to its customers.
The Company generally utilizes a two-year subscription model for licensing its
non-Sniffer products to corporate clients and is in the process of developing a
two-year subscription model for licensing its Sniffer products as well.
 
     The Company is a Delaware corporation incorporated in August 1992. The
Company's principal executive offices are located at 2805 Bowers Avenue, Santa
Clara, California 95051. Its telephone number at that address is (408) 988-3832.
 
RECENT DEVELOPMENTS
 
     RECENT ACQUISITIONS
 
     On December 1, 1997, McAfee and Network General consummated the Network
General Merger pursuant to which the Company issued an aggregate of 17.9 million
shares of its Common Stock (0.4167 shares of McAfee common stock for each
outstanding share of Network General common stock) in a
 
                                       4
<PAGE>   6
 
transaction accounted for as a pooling of interests. The combined company also
assumed all outstanding options to purchase Network General common stock.
Network General designed, manufactured, marketed and supported software-based
fault and performance solutions for managing computer networks.
 
     On December 1, 1997, the Company acquired Helix Software Company, Inc.
("Helix") through the merger of a wholly-owned subsidiary of the Company with
and into Helix. The aggregate consideration payable in the acquisition was
550,000 shares of Company Common Stock in a transaction accounted for as a
pooling of interests. Helix is a provider of system and performance enhancement
software for personal computers.
 
     On December 9, 1997, the Company acquired Pretty Good Privacy, Inc. ("PGP")
through the merger of a wholly-owned subsidiary of the Company with and into
PGP. The aggregate consideration payable in the acquisition was approximately
$35 million (payable in cash and the assumption of certain liabilities) and
warrants to acquire approximately 250,000 shares of Company Common Stock. The
PGP acquisition was accounted for under the purchase method of accounting. The
Company also assumed all outstanding unvested options to acquire PGP common
stock. PGP is a provider of applied cryptographic solutions for securing
corporate digital assets and protecting individual privacy.
 
                                       5
<PAGE>   7
 
                                  RISK FACTORS
 
     This Prospectus, including the documents incorporated by reference herein,
contains forward-looking statements that involve risks and uncertainties. The
statements contained in this Prospectus or incorporated by reference herein that
are not purely historical are forward-looking statements within the meaning of
Section 27A of the Securities Act and Section 21E of the Exchange Act, including
without limitation statements regarding the Company's expectations, beliefs,
intentions or strategies regarding the future. All forward-looking statements
included in this document or incorporated by reference herein are based on
information available to the Company on the date hereof, and the Company assumes
no obligation to update any such forward-looking statements. The Company's
actual results could differ materially from those anticipated in these
forward-looking statements as a result of certain factors, including those set
forth in "Risk Factors" and elsewhere in this Prospectus.
 
     Variability of Quarterly Operating Results. The Company's results of
operations have been subject to significant fluctuations, particularly on a
quarterly basis, and the Company's future results of operations could fluctuate
significantly from quarter to quarter and from year to year. Causes of such
fluctuations may include the volume and timing of new orders and renewals,
distributor inventory levels and return rates, Company inventory levels, the
introduction of new products, product upgrades or updates by the Company or its
competitors, changes in product mix, changes in product prices and pricing
models, seasonality, trends in the computer industry, general economic
conditions (such as the recent economic turbulence in Asia), extraordinary
events such as acquisitions or litigation and the occurrence of unexpected
events. The operating results of many software companies reflect seasonal
trends, and the Company's business, financial condition and results of
operations may be affected by such trends in the future. Such trends may include
higher net revenue in the fourth quarter as many customers complete annual
budgetary cycles, and lower net revenue in the summer months when many
businesses experience lower sales, particularly in the European market.
 
     Although the Company has experienced significant growth in net revenue and
net income (before acquisition and other related costs) in absolute terms, the
Company's growth rate has slowed in recent periods. The Company has experienced
increased price competition for its products and the Company expects competition
to increase in the near-term, which may result in reduced average selling prices
for the Company's products. Due to these and other factors (such as a maturing
anti-virus market and an increasingly higher base from which to grow), the
Company's historic revenue growth rate will be difficult to sustain or increase.
To the extent these trends continue, the Company's results of operations could
be materially adversely affected. Renewals have historically accounted for a
significant portion of the Company's net revenue; however, there can be no
assurance that the Company will be able to sustain historic renewal rates for
its products in the future. Risks related to the Company's recent change in
business strategies could also cause fluctuations in operating results and could
make comparisons with historic operating results and balances difficult or not
meaningful. See "-- Risks Related to Certain Business Strategies."
 
     The timing and amount of the Company's revenues are subject to a number of
factors that make estimating operating results prior to the end of a quarter
uncertain. The Company does not expect to maintain a significant level of
backlog and, as a result, product revenues in any quarter will be dependent on
contracts entered into or orders booked and shipped in that quarter. During
1997, the Company generally experienced a trend toward higher order receipts
toward the end of the last month of a quarter, resulting in a higher percentage
of revenue shipments during the last month of a quarter than in 1996, which
makes predicting revenues more difficult. The timing of closing larger orders
increases the risks of quarter-to-quarter fluctuation. To the extent that the
Company is successful in licensing larger product suites under the Net Tools
umbrella (particularly to large enterprise and national accounts), the size of
its orders and the length of its sales cycle are likely to increase. If orders
forecasted for a specific customer for a particular quarter are not realized or
revenues are not otherwise recognized in that quarter, the Company's operating
results for that quarter could be materially adversely affected. See
" -- Potentially Longer Sales and Implementation Cycles for Certain Products."
 
                                       6
<PAGE>   8
 
     The trading price of the Company's Common Stock has historically been
subject to wide fluctuations, with factors such as earnings announcements and
litigation developments contributing to this volatility. Failure to achieve
periodic revenue, earnings and other operating and financial results as
forecasted or anticipated by brokerage firms, industry analysts or investors
could result in an immediate and adverse effect on the market price of the
Company's Common Stock. The Company may not discover, or be able to confirm,
revenue or earnings shortfalls until the end of a quarter, which could result in
an immediate and adverse effect on the price of the Company's Common Stock.
 
     Risk of Inclusion of Network Management and Security Functionality in
Hardware and Other Software. In the future, vendors of hardware and of operating
system software or other software (such as firewall or electronic mail software)
may continue to enhance their products or bundle separate products to include
functionality that currently is provided primarily by network security and
management software. Such enhancements may be achieved through the addition of
functionality to operating system software or other software or the bundling of
network security and management software with operating system software or other
products. For example, Cisco Systems, Inc. ("Cisco") recently incorporated a
firewall in certain of its hardware products and Microsoft Corporation
("Microsoft") introduced limited anti-virus functionality into its MS-DOS
versions in 1993. The widespread inclusion of the functionality of the Company's
products as standard features of computer hardware or of operating system
software or other software could render the Company's products obsolete and
unmarketable, particularly if the quality of such functionality were comparable
to that of the Company's products. Furthermore, even if the network security
and/or management functionality provided as standard features by hardware
providers or operating systems or other software is more limited than that of
the Company's products, there can be no assurance that a significant number of
customers would not elect to accept such functionality in lieu of purchasing
additional software. If the Company were unable to develop new network security
and management products to further enhance operating systems or other software
and to replace successfully any obsolete products, the Company's business,
financial condition and results of operations would be materially adversely
affected.
 
     Risks Associated with Recent Acquisitions. In addition to risks described
under "-- Risks Associated with Acquisitions Generally," the Company faces
significant risks associated with its recent combination with Network General
and other recent acquisitions (including the acquisitions of PGP and Helix).
There can be no assurance that the Company will realize the desired benefits of
these transactions. In order to successfully integrate these companies, the
Company must, among other things, continue to attract and retain key management
and other personnel; integrate, both from an engineering and a sales and
marketing perspective, the acquired products (including Network General's
Sniffer and CyberCop products, PGP's encryption products and Helix's utilities
products) into its suite of product offerings; integrate and develop a cohesive
focused direct and indirect sales force for its product offerings; consolidate
duplicate facilities; and develop name recognition for its new name. The
diversion of the attention of management from the day-to-day operations of the
Company, or difficulties encountered in the integration process, could have a
material adverse effect on the Company's business, financial condition and
results of operations. See "-- Need to Develop Enterprise and National Accounts
Sales Force and Security Products Sales Force; Risks Related to Direct Sales
Force" and "-- Use of Indirect Sales Channels; Need to Develop Indirect Sales
Channel for Sniffer and PGP Security Products."
 
     During 1997, the Company incurred significant non-recurring charges
associated with the Network General combination and the acquisitions of PGP and
Helix. There can be no assurance that the Company will not incur additional
material charges in subsequent quarters to reflect additional costs associated
with these transactions and with respect to its name change and the marketing of
its products under the "Network Associates" name.
 
     Risks Related to Certain Business Strategies. The Company has historically
derived a significant majority of its revenues from the licensing of its
flagship anti-virus products and Sniffer products. See "-- Dependence on Revenue
from Flagship Anti-Virus and Sniffer Products." The Company is currently
focusing its efforts on broadening its revenue base by providing network
security and management solutions to enterprise customers, targeting in
particular the Windows NT/Intel platform. In furtherance of this strategy, the
Company recently organized its products into four product suites -- McAfee Total
Virus Defense, PGP
 
                                       7
<PAGE>   9
 
Total Network Security, and Sniffer Total Network Visibility and McAfee Total
Virus Defense. These four product suites together form an integrated solution
called "Net Tools" which utilizes a new pricing model. There can be no assurance
that potential customers will respond favorably to the modified pricing
structure and the lack of a favorable response could materially adversely affect
the Company's operating results. Although the Company will continue to offer
perpetual licenses with annual support and maintenance contracts for its Sniffer
products, it is currently developing a subscription licensing model for those
products. In addition, in an effort to increase total Sniffer unit sales the
Company intends to develop software only versions of its Sniffer products --
meaning that the Company would no longer sell the hardware components contained
in the current Sniffer products. There can be no assurance that the Company can
produce a software only Sniffer product on a timely basis or at all, that
customers will not continue to require that the Company provide the associated
hardware platform and components, that total unit licenses of Sniffer products
will increase over previous levels or that customers will react favorably to the
subscription pricing model for Sniffer products. To the extent that customers do
license Sniffer products on a two-year subscription basis or license significant
amounts of software only Sniffer products, the Company's operating results and
financial condition would likely be affected. In the case of subscription
licenses, the Company would, among other things, expect an increase in deferred
revenues related to the service portion of the two-year Sniffer license that
would be capitalized on the Company's balance sheet. In the initial year of the
license, the corresponding revenue would be lower than if the license were
perpetual. In the case of the software only Sniffer product, for any individual
license, the Company would expect lower total revenues and a higher overall
gross margin related to the transaction, as the Company would not be selling the
corresponding hardware component. Currently, the hardware component has a lower
gross margin than the total product gross margin.
 
     The Company has been acquiring (and is continuing to investigate the
acquisition of) existing independent agents and distributors of its products in
certain strategic markets or has been converting these independent agents into
resellers who must purchase Company products from Company approved distributors.
These actions may require, among other things, that the Company provide the
technical support to customers that was previously provided by such agents and
distributors. There can be no assurance that the Company can provide such
support as effectively or on a timely basis or at all, that the Company will
operate any acquired distributor or agent as successfully as the previous
operators, that the acquisition of any distributor or agent or the conversion of
any agent into a reseller will result in the desired increased foreign revenues
or that the Company will be able to identify and retain suitable distributors in
any market in which it converts an independent agent. See " -- Risks Associated
with Acquisitions Generally" and " -- Risks Related to International Revenue and
Activities."
 
     As part of the Net Tools concept, the Company is in the process of
designing a centralized console from which the various component suites can be
operated, administered and maintained utilizing a common look and feel. The
Company faces significant engineering challenges related to these efforts. In
addition, the Company faces significant engineering and other challenges related
to the integration of its various security products (such as its recently
acquired PGP encryption products and Network General CyberCop product) into a
marketable suite of products and the development of a software only Sniffer
product. Success of the Company's Net Tools suite strategy will also depend, in
part, upon successful development and coordination of the Company's sales force;
on successful development of a national accounts sales force and an effective
indirect sales channel for the Company's Sniffer and PGP security products; and
on the development and expansion of an effective professional services
organization. See " -- Risks Associated with Recent Transactions," " -- Risks
Associated with Acquisitions Generally," " -- Need to Develop Enterprise and
National Accounts Sales Force and Security Products Sales Force; Risks Related
to Direct Sales Force," " -- Use of Indirect Sales Channels; Need to Develop
Indirect Sales Channel for Sniffer and PGP Security Products" and " -- Need to
Expand and Develop An Effective Professional Services Organization."
 
     The foregoing factors, individually or in the aggregate, could materially
adversely affect the Company's operating results and could make comparison of
historic operating results and balances difficult or not meaningful.
 
                                       8

<PAGE>   10
 
     Risks Associated with Acquisitions Generally. The software industry has
experienced and is expected to continue to experience a significant amount of
consolidation. In addition, it is expected that the Company will grow internally
and through strategic acquisitions in order, among other things, to expand the
breadth and depth of its product suites and to build its professional services
organization. The Company continually evaluates potential acquisitions of
complementary businesses, products and technologies. In addition to the
combination with Network General in December 1997, the Company has consummated a
series of significant acquisitions since 1994, including the acquisitions of PGP
and Helix in December 1997, Cinco Networks, Inc. in August 1997, 3DV Technology,
Inc. in March 1997, FSA Corporation of Canada in August 1996, Vycor Corporation
in February 1996, Saber Software Corporation, Inc. in August 1995 and ProTools,
Inc. in January 1994. In addition, since 1995 the Company has acquired a number
of its international distributors, including distributors in Australia, Brazil,
Japan and The Netherlands and is currently investigating acquisitions of
additional foreign distributors. Past acquisitions have consisted of, and future
acquisitions will likely include, acquisitions of businesses, interests in
businesses and assets of businesses. Any acquisition, depending on its size,
could result in the use of a significant portion of the Company's available cash
or, if such acquisition is made utilizing the Company's securities, could result
in significant dilution to the Company's stockholders, and could result in the
incurrence of significant acquisition related charges to earnings. Acquisitions
by the Company may result in the incurrence or the assumption of liabilities,
including liabilities that are unknown or not fully known at the time of
acquisition, which could have a material adverse effect on the Company.
Furthermore, there can be no assurance that any products acquired in connection
with any such acquisition will gain acceptance in the Company's markets or that
the Company will obtain the anticipated or desired benefits of such
transactions.
 
     Achieving the anticipated benefits of an acquisition will depend, in part,
upon whether the integration of the acquired business, products or technology is
accomplished in an efficient and effective manner, and there can be no assurance
that this will occur. Moreover, successful acquisitions in the high technology
industry may be more difficult to accomplish than in other industries. Combining
a merged or acquired company requires, among other things, integration of
product offerings and coordination of sales and marketing and research and
development efforts. There can be no assurance that such an integration can be
accomplished smoothly or successfully. The difficulties of such integration may
be increased by the necessity of coordinating geographically separated
organizations, the complexity of the technologies being integrated, and the
necessity of integrating personnel with disparate business backgrounds and
combining two different corporate cultures. The integration of operations
following an acquisition requires the dedication of management resources that
may distract attention from the day-to-day business, and may disrupt key
research and development, marketing or sales efforts. The inability of
management to successfully integrate any acquisition could have a material
adverse effect on the business, operating results and financial condition of the
Company. In addition, as commonly occurs, during the pre-acquisition and
integration phases of technology company acquisitions, aggressive competitors
may undertake initiatives to attract customers and to recruit key employees
through various incentives.
 
     Rapid Technological Change; Risks Associated with Product Development. The
network security and management market is highly fragmented and is characterized
by ongoing technological developments, evolving industry standards and rapid
changes in customer requirements. The Company's success depends upon its ability
to offer a broad range of network security and management software products, to
continue to enhance existing products, to develop and introduce in a timely
manner new products that take advantage of technological advances, and to
respond promptly to new customer requirements. While the Company believes that
it offers one of the broadest product lines in the network management and
security market, this market is continuing to evolve and customer requirements
are continuing to change. As the market evolves and competitive pressures
increase, the Company believes that it will need to further expand its product
offerings. There can be no assurance that the Company will be successful in
developing and marketing, on a timely basis, enhancements to its existing
products or new products, or that such enhancements or new products will
adequately address the changing needs of the marketplace.
 
                                       9
<PAGE>   11
 
     In addition, from time to time, the Company or its competitors may announce
new products with new or additional capabilities or technologies. Such
announcements of new products could have the potential to replace, or shorten
the life cycles of, the Company's existing products and to cause customers to
defer or cancel purchases of the Company's existing products.
 
     The Company has in the past experienced delays in software development, and
there can be no assurance that the Company will not experience delays in
connection with its current or future product development activities. Complex
software products such as those offered by the Company may contain undetected
errors or version compatibility issues, particularly when first introduced or
when new versions are released, resulting in loss of or delay in market
acceptance. For example, the Company experienced compatibility issues in
connection with its recent NetShield upgrade, and the Company's anti-virus
software products have in the past falsely detected viruses that did not
actually exist. See " -- Risk of False Detection of Viruses." Delays and
difficulties associated with new product introductions, performance or
enhancements could have a material adverse effect on the Company's business,
financial condition and results of operation.
 
     The Company's development efforts are impacted by the adoption or evolution
of industry standards related to its products and the environments in which they
operate. For example, no uniform industry standard has developed in the market
for encryption security products. As industry standards are adopted or evolve,
the Company may be required to modify existing products or develop and support
new versions of existing products. In addition, to the extent that no industry
standard develops, the Company's products and those of its competitors may be
incompatible if they use competing standards, which could prevent or
significantly delay overall development of the market for a particular product
or products. The failure of the Company's products to comply, or delays in
compliance, with existing or evolving industry standards could have a material
adverse effect on the Company's business, financial condition and results of
operation.
 
     The Company's long-term success will depend on its ability on a timely and
cost-effective basis to develop upgrades and updates to its existing product
offerings, to modify and enhance acquired products, and to introduce new
products which meet the needs of current and potential customers. Future
upgrades and updates may, among other things, include additional functionality,
respond to user problems or address issues of compatibility with changing
operating systems and environments. The Company believes that the ability to
provide these upgrades and updates to users frequently and at a low cost is a
key to success. For example, the proliferation of new and changing viruses makes
it imperative to update anti-virus products frequently in order for the products
to avoid obsolescence. Failure to release such upgrades and updates on a timely
basis could have a material adverse effect on the Company's business, financial
condition and results of operations. There can be no assurance that the Company
will be successful in these efforts. In addition, future changes in Windows 95,
Windows NT, NetWare or other popular operating systems may result in
compatibility problems with the Company's products. Further, delays in the
introduction of future versions of operating systems or lack of market
acceptance of future versions of operating systems would result in a delay or a
reduction in the demand for the Company's future products and product versions
which are designed to operate with such future versions of operating systems.
The Company's failure to introduce in a timely manner new products that are
compatible with operating systems and environments preferred by desktop computer
users would have a material adverse effect on the Company's business, financial
condition and results of operations.
 
     Dependence on Revenue from Flagship Anti-Virus and Sniffer Products. In
recent years, the Company has derived a substantial majority of its net revenue
from its flagship McAfee anti-virus software products and Sniffer network fault
and performance management products. These products are expected to continue to
account for a significant portion of the Company's net revenue for the
foreseeable future. Because of this concentration of revenue, a decline in
demand for, or in the prices of, these anti-virus and network management
products as a result of competition, technological change, a change in the
Company's pricing model for such products, the inclusion of anti-virus or
network management and analysis functionality in system hardware or operating
system software or other software or otherwise, or a maturation in the
respective markets for these products could have a material adverse effect on
the Company's business, financial condition and results of operations.
 
                                       10
<PAGE>   12
 
     Dependence on Emergence of Network Management and Network Security
Markets. The markets for the Company's network management and network security
products are evolving, and their growth depends upon broader market acceptance
of network management and network security software, including help desk
software. Although the number of LAN-attached personal computers ("PCs") has
increased dramatically, the network management and network security markets
continue to be emerging markets and there can be no assurance that such markets
will continue to develop or that further market development will be rapid enough
to benefit the Company significantly. In addition, there are a number of
potential approaches to network management and network security, including the
incorporation of management and security tools into network operating systems.
Therefore, even if network management and network security tools gain broader
market acceptance, there can be no assurance that the Company's products will be
chosen by organizations which acquire network management and network security
tools. Furthermore, to the extent that either the network management or network
security market does continue to develop, the Company expects that competition
will increase. See "-- Competition" and "-- Risk of Inclusion of Network
Security and Management Functionality in Hardware and Other Software."
 
     Competition. The markets for the Company's products are intensely
competitive and the Company expects competition to increase in the near-term.
The Company believes that the principal competitive factors affecting the
markets for its products include performance, functionality, quality, customer
support, breadth of product line, frequency of upgrades and updates, integration
of products, manageability of products, brand name recognition, company
reputation and price. Certain of the criteria upon which the performance and
quality of the Company's anti-virus software products compete include the number
and types of viruses detected, the speed at which the products run and ease of
use. Certain of the Company's competitors have been in the network management
market longer than the Company, and other competitors, such as Symantec
Corporation ("Symantec"), Intel Corporation ("Intel"), Seagate Technology Inc.
("Seagate") and Hewlett-Packard Company ("HP"), are larger and have greater name
recognition than the Company. The Company will also need to develop name
recognition for its new name, "Network Associates." In addition, certain larger
competitors such as Intel, Microsoft and Novell Inc. ("Novell") have established
relationships with hardware vendors related to their other product lines. These
relationships may provide them with a competitive advantage in penetrating the
OEM market with their network security and management products. As is the case
in many segments of the software industry, the Company has been encountering,
and expects to further encounter, increasing competition. This increased
competition could reduce average selling prices and, therefore, profit margins.
Competitive pressures could result not only in sustained price reductions but
also in a decline in sales volume, which events would materially adversely
affect the Company's business, financial condition and results of operations. In
addition, competitive pressures may make it difficult for the Company to
maintain or exceed its growth rate.
 
     Although there is a trend toward consolidation in the network security and
management market, the market is currently highly fragmented with products
offered by many vendors. The Company's principal competitor is the Peter Norton
Group of Symantec in the network security market and Intel's LanDesk in the
network management market. The Company's other competitors include Computer
Associates/Cheyenne Software, IBM, Seagate, the Dr. Solomon Group and Trend
Micro, Inc., as well as numerous smaller companies and shareware authors that
may in the future develop into stronger competitors or be consolidated into
larger competitors. In the encryption portion of the security market, the
Company's principal competitors are Security Dynamics Technologies, Inc., Cylink
Corporation, Entrust Technologies and VeriSign, Inc. The Company's principal
competitors in the help desk market are Remedy Corporation, Software Artistry
(recently acquired by Tivoli Systems/IBM) and Magic Solutions, Inc. The
Company's principal competitor in the software-based network fault and
performance management market is HP, with other competitors including Azure
Technologies Incorporated, Concord Communications, DeskTalk Systems, Kaspia
Systems, Shomiti Systems, Inc. and Wandel & Goltermann, Inc. The Company also
faces competition in the security market from Cisco, Security Dynamics
Technologies, Inc., Checkpoint Software and other vendors in the
encryption/firewall market. In addition, the Company faces competition from
large and established software companies such as Microsoft, Intel, Novell and HP
which offer network management products as enhancements to their network
operating systems. As the network management market develops, the Company may
face increased competition from these large companies, as well as other
companies seeking to enter the
 
                                       11
<PAGE>   13
 
market. The trend toward enterprise-wide network management and security
solutions may result in a consolidation of the network management and security
market around a smaller number of vendors who are able to provide the necessary
software and support capabilities. In addition, to the extent that the Company
is successful in developing its Net Tools suite of products designed around a
centralized management and administration console for the Windows NT platform,
the Company will likely compete with large computer systems management companies
such as Tivoli Systems (TME) and Computer Associates (Unicenter). There can be
no assurance that the Company will continue to compete effectively against
existing and potential competitors, many of whom have substantially greater
financial, technical, marketing and support resources and name recognition than
the Company. In addition, there can be no assurance that software vendors who
currently use traditional distribution methods will not in the future decide to
compete more directly with the Company by utilizing electronic software
distribution.
 
     The competitive environment for anti-virus software internationally is
similar to that in North America, although local competitors in specific foreign
markets present stronger competition and shareware authors control a more
significant portion of the European market. The international market for network
management software has developed more slowly than the North American market,
although larger competitors such as Intel and Symantec have begun to penetrate
European markets. Asian markets have lagged significantly behind North America
and Europe in their adoption of networking technology. There can be no assurance
that the Company will be able to compete successfully in international markets.
 
     Need to Develop Enterprise and National Accounts Sales Force and Security
Products Sales Force; Risks Related to Direct Sales Force. In connection with
its recent acquisitions and as part of its evolving strategy of offering product
suites under the Net Tools umbrella, the Company has recently reorganized its
direct sales force into three tiers. The first tier focuses on the sale of the
full product suite under the Net Tools umbrella to enterprise and national
account customers. The second tier consists of four separate sales groups
focused on the sale of the individual product suites (i.e., McAfee Total Virus
Defense; PGP Total Network Security; Sniffer Total Network Visibility; or McAfee
Total Service Desk) to the departmental level. The third tier consists of four
separate outbound corporate telesales forces who actively market the Company's
individual product suites to customers with less than 1,000 nodes. The Company
historically has not had a large enterprise or national accounts sales force and
only recently developed a direct sales group focused on these larger accounts.
In addition, the Company has not historically had a separate sales force focused
on the sale of its suite of security products (many of which were only recently
acquired and are currently being engineered into a common suite). To succeed in
the direct sales channel for the enterprise and national accounts market and for
the sale of the separate security product suite, the Company will be required to
build a significant direct sales organization and will be required to attract
and retain qualified personnel, which personnel will require training about, and
knowledge of, product attributes for the Company's suite of products. There can
be no assurance that the Company will be successful in building the necessary
sales organization or in attracting, retaining or training these individuals.
Historically, the Company has sold its products at the departmental level. To
succeed in the enterprise and national accounts market will require, among other
things, establishing relationships and contacts with senior technology officers
at these accounts. There can be no assurance that the Company or its sales force
will be successful in these efforts.
 
     The Company's sales organization structure may result in multiple customer
contacts by different Company sales representatives (particularly in
circumstances where the customer has multiple facilities and offices), a lack of
coordination between the Company's various sales organizations and a lack of
focus by the individual sales representatives on their designated customers or
products. The occurrence of these events could lead to customer confusion,
disputes in the sales force and lost revenue opportunities which could have a
material adverse effect on the Company's business, financial condition and
results of operations. In addition, while the development of a direct sales
channel reduces the Company's dependence on resellers and distributors, it may
lead to conflicts for the same customers and further customer confusion,
pressure by current and prospective customers for price reductions on products
and, consequently, in reductions in the Company's gross margin and operating
profit.
 
     Use of Indirect Sales Channels; Need to Develop Indirect Sales Channel for
Sniffer and PGP Security Products. The Company markets a significant portion of
its products to end-users through distributors,
 
                                       12
<PAGE>   14
 
resellers and VARs. The Company's distributors sell other products that are
complementary to, or compete with, those of the Company. While the Company
encourages its distributors to focus on its products through market and support
programs, there can be no assurance that these distributors will not give
greater priority to products of other suppliers, including competitors.
 
     The Company does not have an extensive indirect sales channel for its
Network Sniffer products or its PGP security products. To succeed in the
indirect sales channel, the Company will be required to build a more extensive
network of distributors, resellers and VARs who will support and market these
products. These indirect channel participants will require significant training
about, and knowledge of, product attributes for these products and the related
product suites. There can be no assurance that the Company can successfully
establish such an indirect channel on a timely basis or at all or that such a
channel, once established, can be maintained.
 
     The Company's agreements with its distributors provide for a right of
return. This right of return may be triggered by a number of events, including
returns to distributors by end users, inaccurate estimates of end user demand by
distributors, increased purchases by distributors in response to sales
incentives or transitions to new products or versions of products. As a result
of this right of return, revenue recognized by the Company upon sales to
distributors is subject to a reserve for returns. Returns could exceed reserves
as a result of distributors holding excessive Company product inventory. There
can be no assurance that current or future reserves established by the Company
will be adequate.
 
     Need to Expand and Develop An Effective Professional Services Organization;
Risks Related to Third-Party Professional Services. As the Company's products
and computer networks become more complex, customers will increasingly require
greater professional assistance in the design, installation, configuration and
implementation of their networks and acquired products. To date, the Company has
relied on its limited professional services capabilities and increasingly on
outside professional service providers (including its distributors, resellers
and system integrators). There can be no assurance that third party service
providers can or will continue to be willing to provide adequate levels (both in
terms of time and quality) of professional services. Moreover, reliance on these
third parties reduces the Company's control over the provision of support
services for its products and places a greater burden on these third parties,
which, in turn, could delay the Company's recognition of product revenue, could
harm the Company's relationships or reputation with such third parties or the
end users of its products and could result in decreased future sales of, or
prices for, its products.
 
     To more effectively service its customer's evolving needs, the Company
intends to significantly expand and develop its worldwide professional service
organization. There can be no assurance that the Company will be successful in
its efforts to expand and develop an effective professional services
organization. This will require that the Company hire and train additional
service professional who must be continually trained and educated to ensure that
they possess sufficient technical skills and product knowledge. In particular,
the market for qualified professionals is intensely competitive, making hiring
and retention difficult. The Company expects significant competition in this
market from existing providers of professional services and future entrants. The
Company must also properly price its services to attract customers, while
maintaining sufficient margins for its services. The Company expects that it
will have lower profit margins on its service revenues. The failure to develop
an effective professional services organization could have a material adverse
effect on the Company's business, financial condition and results of operations.
 
     Reliance on Microsoft Technology. Although the Company intends to support
other operating systems, the Company's mission is to be the leading supplier of
network security and management products for Windows NT/Intel based networks.
Sales of the Company's products would be materially and adversely affected by
market developments which are adverse to the Windows operating environments,
including the failure of users and application developers to accept Windows NT.
In addition, the Company's ability to develop products using the Windows
operating environments is substantially dependent on its ability to gain timely
access to, and to develop expertise in, current and future developments by
Microsoft, of which there can be no assurance.
 
                                       13
<PAGE>   15
 
     Risks Associated with Failure to Manage Growth. The Company's growth
internally and through its numerous acquisitions has placed, and any further
expansion would continue to place, a significant strain on its limited
personnel, management and other resources. In the future, the Company's ability
to manage any growth, particularly with the anticipated expansion of the
Company's international business and growth in indirect channel business, will
require it to attract, train, motivate and manage new employees successfully, to
effectively integrate new employees into its operations and to continue to
improve its operational, financial, management and information systems and
controls. The failure to effectively manage any further growth could have a
material adverse effect on the Company's business, financial condition and
results of operations.
 
     Proprietary Technology and Rights. The Company's success is heavily
dependent upon proprietary software technology. The Company relies on a
combination of contractual rights, trademarks, trade secrets and copyrights to
establish and protect proprietary rights in its software. There can be no
assurance these protections will be adequate or that competitors will not
independently develop technologies or products that are substantially equivalent
or superior to the Company's products.
 
     The Company recently changed its legal name to "Networks Associates, Inc."
and has recently begun conducting business as "Network Associates." The Company
believes that there are a number of other companies with similar names and,
although the Company has not been served in any suit, three companies (including
Network Associates Corporation in California and Network Associates, Inc. in
Oregon) have made claims (including various trademark claims) or demands with
respect to the Company's use of the name Network Associates. There can be no
assurance that the Company will be able to enforce rights in that name, that it
will be free to use the name in all jurisdictions, that there will be no
additional challenges to the use of that name or that it will not be required to
expend significant resources in securing the use of that name.
 
     The Company does not typically obtain signed license agreements from its
corporate, government and institutional customers who license products directly
from it. The Company includes an electronic version of a "shrink-wrap" license
in all of its electronically distributed software and a printed license in the
box for its products distributed through traditional distribution channels in
order to protect its copyrights and trade secrets in those products. Since none
of these licenses are signed by the licensee, many authorities believe that such
licenses may not be enforceable under the laws of many states and foreign
jurisdictions. In addition, the laws of some foreign countries either do not
protect proprietary rights or offer only limited protection for those rights.
There can be no assurance that the steps taken by the Company to protect its
proprietary software technology will be adequate to deter misappropriation of
this technology. For example, the Company is aware that a substantial number of
users of its anti-virus products have not paid any registration or license fees
to the Company. Changing legal interpretations of liability for unauthorized use
of the Company's software, or lessened sensitivity by corporate, government or
institutional users to avoiding copyright infringement, could have a material
adverse effect on the Company's business, financial condition and results of
operations.
 
     The Company's principal assets are its intellectual property, and the
Company competes in an increasingly competitive market. There has been
substantial litigation regarding intellectual property rights of technology
companies. The Company has in the past been, and currently is, subject to
litigation related to its intellectual property (including a pending unfair
trade practice case and a patent infringement case involving Symantec and Trend
Micro Inc., respectively). There can be no assurance that there will be no
developments arising out of such pending litigation or any other litigation to
which the Company is or may become party which could have a material adverse
effect on the Company's business, financial condition and results of operation. 

     In addition, as the Company may acquire a portion of software included in
its products from third parties, its exposure to infringement actions may
increase because it must rely upon such third parties as to the origin and
ownership of any software being acquired. Similarly, exposure to infringement
claims exists and will increase to the extent that the Company employs or hires
additional software engineers previously employed by competitors,
notwithstanding measures taken by them to prevent usage by such software
engineers of intellectual property used or developed by them while employed by a
competitor. In the future, litigation may be necessary to enforce and protect
trade secrets and other intellectual property rights owned by the Company. The
Company may also be subject to litigation to defend it against claimed
infringement of the rights of others or to determine the scope and validity of
the proprietary rights of others. Any such litigation could be costly
 
                                       14
<PAGE>   16
 
and cause diversion of management's attention, either of which could have a
material adverse effect on the Company's business, financial condition and
results of operations. Adverse determinations in such litigation could result in
the loss of the Company's proprietary rights, subject the Company to significant
liabilities, require the Company to seek licenses from third parties or prevent
the Company from manufacturing or selling its products, any one of which could
have a material adverse effect on the Company's business, financial condition
and results of operations. Furthermore, there can be no assurance that any
necessary licenses will be available on reasonable terms, or at all.

     Litigation. The Company's principal assets are its intellectual property,
and the Company competes in an increasingly competitive market. There has been
substantial litigation regarding intellectual property rights of technology
companies. The Company has in the past been, and currently is, subject to
litigation related to its intellectual property. There can be no assurance that
there will be no developments arising out of such pending litigation or any
other litigation to which the Company is or may become party which could have a
material adverse effect on the Company's business, financial condition and
results of operation.

     On April 24, 1997, the Company was served by Symantec with a suit filed in
the United States District Court, Northern District of California, San Jose
Division, alleging copyright infringement and unfair competition by the Company.
Symantec alleges that the Company's computer software program called "PC Medic"
copied portions of Symantec's computer software program entitled "CrashGuard."
Symantec's complaint sought injunctive relief and unspecified money damages. On
July 20, 1997, Symantec sought leave to amend its complaint to include
additional allegations of copyright infringement and trade secret
misappropriation pertaining to the Company's "VirusScan" product. Symantec
sought injunctive relief and unspecified money damages. On October 6, 1997, the
Court issued an order granting Symantec's motion to amend its complaint and
enjoining the Company from shipping any product containing either an
approximately 30-line routine found in Crash Guard or an approximately 100-line
routine found in a Symantec DLL. The Court's order expressly stated that "the
court is not enjoining the sale or distribution of [McAfee's] current product."
On December 19, 1997, the Court denied Symantec's motion to enjoin sale or
distribution of the Company's current PC Medic product. Trial is set for
September 1998.
 
     On May 13, 1997, Trend Micro Inc. ("Trend") filed suit in United States
District Court for the Northern District of California against both the Company
and Symantec. Trend alleges that the Company's "WebShield" and "GroupShield"
products infringe a Trend patent which issued on April 22, 1997. Trend's
complaint seeks injunctive relief and unspecified money damages. On June 6,
1997, the Company filed its answer denying any infringement. The Company also
filed a counterclaim against Trend alleging unfair competition, false
advertising, trade libel, and interference with prospective economic advantage.
On September 19, 1997, Symantec filed a motion to sever Trend's action against
the Company from its action against Symantec. The Company did not oppose
Symantec's motion to sever, other than to recommend a joint hearing on patent
claim interpretation. On December 19, 1997, the Court granted Symantec's motion
to sever and adopted the Company's recommendation regarding a joint hearing on
patent claim interpretation. As a result of the Court's decision, Trend's
actions against the Company and Symantec will proceed separately. The exact
terms of the severance order have not yet been approved by the Court, and the
Court has yet to reset key dates for discovery and trial in the two cases. The
Company anticipates that the Court will shortly reset the date for the joint
patent claim interpretation hearing for late June or July, 1998. Thirty days
after the joint patent claim interpretation hearing, the Court has indicated it
will set further dates for discovery and trial.
 
     On May 6, 1997, RSA Data Security, Inc. ("RSA") filed a lawsuit against
PGP, a wholly owned subsidiary of the Company since December 9, 1997, in San
Mateo County Superior Court. RSA seeks a declaration from the court that certain
paragraphs of a license agreement between PGP and Public Key Partners (the
"License Agreement") have been terminated and certain other paragraphs have
survived RSA's purported termination of the License Agreement. RSA, which
purports to act on behalf of Public Key Partners, also seeks an accounting of
PGP's sales of products subject to the License Agreement. PGP denies that RSA
has the authority to act on behalf of Public Key Partners, and denies that the
License Agreement has been breached or terminated in whole or in part. On May
22, 1997, PGP filed a motion to compel arbitration of the action pursuant to an
arbitration clause in the License Agreement. PGP's motion was granted on October
9, 1997. The Court stayed the state court proceedings and ordered the action to
arbitration. The arbitration proceedings are in the preliminary stages.
 

                                       15

<PAGE>   17
     On October 14, 1997, RSA filed a patent infringement lawsuit against PGP in
the United States District Court for the Northern District of California. RSA
alleges PGP has infringed one of the patents which was licensed to PGP under the
License Agreement. On November 4, 1997, PGP moved to stay the federal action,
or, in the alternative, compel it to arbitration. On December 23, 1997, RSA
filed a motion to amend its complaint to include the Company as defendant. PGP's
motion to stay and RSA's motion to amend its complaint are scheduled to be heard
by the federal court in February 1998.
 
     On September 15, 1997, the Company was named as a defendant in a patent
infringement action filed by Hilgraeve Corporation ("Hilgraeve") in the United
States District Court, Eastern District of Michigan. Hilgraeve alleges that 
the Company's VivusScan product infringes a Hilgraeve patent which was issued
on June 7, 1994. Hilgraeve's action seeks injunctive relief and unspecified 
money damages. The case is in discovery.
 
     Although the Company has not been served in any suit, three companies
(including Network Associates Corporation in California and Network Associates,
Inc. in Oregon) have made claims (including various trademark claims) or demands
with respect to the Company's use of the name Network Associates.

     Although the Company intends to defend itself vigorously against the
claims asserted against it in the foregoing actions or matters, there can be no
assurance that such pending litigation will not have a material adverse effect
on the Company's business, financial condition or operating results. The
litigation process is subject to inherent uncertainties and no assurance can be
given that the Company will prevail in any such matters, or will be able to
obtain licenses, on commercially reasonable terms, or at all, under any patents
or other intellectual property rights that may be held valid or infringed
by the Company or its products. Uncertainties inherent in the litigation
process involve, among other things, the complexity of the technologies
involved, potentially adverse changes in the law and discovery of facts
unfavorable to the Company.
 
     Risks Related to International Revenue and Activities. In 1997, 1996 and
1995, net revenue from international licenses represented approximately 28%, 24%
and 25%, respectively, of the Company's net revenue. Historically, the Company
has relied primarily upon independent agents and distributors to market its
products internationally. The Company expects that international revenues will
continue to account for a significant percentage of net revenue. The Company
also expects that a significant portion of such international revenue will be
denominated in local currencies. To reduce the impact of foreign currency
fluctuations, the Company uses non-leveraged forward currency contracts.
However, there can be no assurance that the Company's future results of
operations will not be adversely affected by such fluctuations or by costs
associated with currency risk management strategies. Other risks inherent in
international revenue generally include the impact of longer payment cycles,
greater difficulty in accounts receivable collection, unexpected changes in
regulatory requirements, seasonality due to the slowdown in European business
activity during the third quarter, tariffs and other trade barriers,
uncertainties relative to regional economic circumstance (such as the current
economic turbulence in Asia), political instability in emerging markets and
difficulties in staffing and managing foreign operations. There can be no
assurance that these factors will not have a material adverse effect on the
Company's future international license revenue. Further, in countries with a
high incidence of software piracy, the Company may experience a higher rate of
piracy of its products.

     There are a number of additional risks related to the export of the
Company's PGP security products. See "-- Risks Relating to Cryptography
Technology."
 
     In addition, a portion of the Company's international revenue is expected
to continue to be generated through independent agents. Since these agents will
not be employees of the Company and will not be required to offer the Company's
products exclusively, there can be no assurance that they will continue to
market the Company's products. Also, the Company is likely to have limited
control over its agents, limited access to the names of the customers to whom
the agents sell its products and limited knowledge of the information provided
by, or representations made by, these agents to its customers.
 

                                       16
<PAGE>   18

     Risk of Sabotage. Given the Company's high profile in the anti-virus
software market, the Company has been a target of computer "hackers" who have
created viruses to sabotage its products. While to date these viruses have been
discovered quickly and their dissemination has been limited, there can be no
assurance that similar viruses will not be created in the future, that they will
not cause damage to users' computer systems and that demand for the Company's
software products will not suffer as a result. In addition, since the Company
does not control diskette duplication by distributors or its independent agents,
there can be no assurance that diskettes containing the Company's software will
not be infected.
 
     Risk of False Detection of Viruses. The Company's anti-virus software
products have in the past and may at times in the future falsely detect viruses
that do not actually exist. Such "false alarms," while typical in the industry,
may impair the perceived reliability of the Company's products and may therefore
adversely impact market acceptance of the Company's products. In addition, the
Company has in the past been subject to litigation claiming damages related to a
false alarm, and there can be no assurance that similar claims will not be made
in the future.

     Effect of Certain Provisions; Anti-Takeover Effects of Certificate of
Incorporation, Bylaws and Delaware Law. The board of directors of the Company
has the authority to issue up to 5,000,000 shares of Preferred Stock and to
determine the price, rights, preferences, privileges and restrictions, including
voting rights, of those shares without any further vote or action by its
stockholders. The rights of the holders of Company Common Stock will be subject
to, and may be adversely affected by, the rights of the holders of any Preferred
Stock that may be issued in the future. The issuance of Preferred Stock, while
providing desirable flexibility in connection with possible acquisitions and
other corporate purposes, could have the effect of making it more difficult for
a third party to acquire a majority of the outstanding voting stock. Further,
certain provisions of Delaware law and the Company's Certificate of
Incorporation and Bylaws, such as a classified board, could delay or make more
difficult a merger, tender offer or proxy contest involving the Company. While
such provisions are intended to enable the Company's Board to maximize
stockholder value, they may have the effect of discouraging takeovers which
could be the best interest of certain stockholders. There is no assurance that
such provisions will not have an adverse effect on the market value of the
Company's Common Stock.
 
     Risks Relating to Cryptography Technology. Certain of the Company's PGP
network security products, technology and associated assistance are subject to
export restrictions administered by the U.S. Department of State and the U.S.
Department of Commerce, which permit the export of encryption products only with
the required level of export license. In addition, these U.S. export laws
prohibit the export of encryption products to a number of countries deemed
hostile by the U.S. government. U.S. export regulations regarding the export of
encryption technology require either a transactional export license or the
granting of Department of
 
                                       17
<PAGE>   19
 
Commerce Commodity jurisdiction. As result of this regulatory regime, foreign
competitors facing less stringent controls on their products may be able to
compete more effectively than the Company in the global market. While the
Company has obtained approval from the Department of Commerce to export to
certain end users, there can be no assurance that the U.S. government will
approve pending or future export license requests. Further, there can be no
assurance that the list of products and countries for which export approval is
required, and the regulatory policies with respect thereto, will not be revised
from time to time. Failure to obtain the required licenses or the costs of
compliance could have a material adverse effect on the Company's international
revenues.
 
     The Company's PGP network security products are dependent on the use of
public key cryptography technology, which depends in part on the application of
certain mathematical principles known as "factoring." The security afforded by
public key cryptography technology is predicated on the assumption that the
factoring of the composite of large prime numbers is difficult. Should an easy
factoring method be developed, then the security afforded by encryption products
utilizing public key cryptography technology would be reduced or eliminated.
Furthermore, any significant advance in techniques for attacking cryptographic
systems could also render some or all of the Company's existing products and
services obsolete or unmarketable. There can be no assurance that such
developments will not occur. Moreover, even if no breakthroughs in factoring or
other methods of attacking cryptographic systems are made, factoring problems
can theoretically be solved by computer systems significantly faster and more
powerful than those presently available. If such improved techniques for
attacking cryptographic systems are ever developed, it could have a material
adverse effect on the Company's business, operating results and financial
condition.
 
     Product Liability. The Company's anti-virus and network management software
products are used to protect and manage computer systems and networks that may
be critical to organizations and, as a result, the sale and support of these
products by the Company may entail the risk of product liability and related
claims. The Company's license agreements with its customers typically contain
provisions designed to limit the Company's exposure to potential product
liability claims. It is possible, however, that the limitation of liability
provisions contained in these license agreements may not be effective under the
laws of certain jurisdictions, particularly in circumstances involving unsigned
licenses. A product liability claim brought against the Company could have a
material adverse effect on the Company's business, financial condition and
results of operations.
 
     Dependence upon Key Personnel. The success of the Company will depend to a
significant extent upon a number of key technical and management employees.
While employees are required to sign standard agreements concerning
confidentiality and ownership of inventions, Company employees are generally not
otherwise subject to employment agreements or to noncompetition covenants. The
loss of the services of any key employees could have a material adverse effect
on the Company's business, financial condition and results of operations. The
Company does not maintain life insurance policies on its key employees. The
ability of the Company to achieve its revenue and operating performance
objectives will depend in large part on its ability to attract and retain
technically qualified and highly skilled sales, consulting, technical, marketing
and management personnel. Competition for such personnel is intense and is
expected to remain so for the foreseeable future. There can be no assurance the
Company will be successful in retaining its existing key personnel and in
attracting and retaining the personnel it requires, and failure of the Company
to retain and grow its key employee population could adversely affect the
Company's business and operating results. Further, additions of new and
departures of existing personnel, particularly in key positions, can be
disruptive and can result in departures of existing personnel, which could have
a material adverse effect upon the Company's business, operating results and
financial condition.
 
     Customer Purchase Decisions; Potentially Longer Sales and Implementation
Cycles for Certain Products Suites. The products offered by the Company may be
considered to be capital purchases by certain customers or prospective
customers. Capital purchases are often considered discretionary and, therefore,
are canceled or delayed if the customer experiences a downturn in its business
or prospects or as a result of economic conditions in general. Any such
cancellation or delay could adversely affect the Company's results of
operations. In addition, as the Company proceeds with its strategy of selling
product suites under the Net Tools umbrella (particularly to larger enterprise
and national accounts), its sales cycle is likely to lengthen.
 
                                       18

<PAGE>   20
 
Such sales may involve a lengthy education process and a significant technical
evaluation and commitment of capital and other resources and may be subject to
the risk of delays associated with customers' internal budget and other
procedures for approving large capital expenditures, deploying new technologies
within their networks and testing and accepting new technologies that affect key
operations. Because of the potentially lengthy sales cycle and the potentially
large size of such orders, if orders forecasted for a specific customer for a
particular quarter are not realized or revenues are not otherwise recognized in
that quarter, the Company's operating results for that quarter could be
materially adversely affected. See "-- Variability of Quarterly Operating
Results" and "Management's Discussion and Analysis of Financial Condition and
Results of Operations."
 
     Year 2000 Compliance. Many currently installed computer systems and
software products are coded to accept only two digit entries in the date code
field. These date code fields will need to accept four digit entries to
distinguish 21st century dates from 20th century dates. As a result, many
companies' software and computer systems may need to be upgraded or replaced in
order to comply with such "Year 2000" requirements. Although the Company
believes that its products and systems are Year 2000 compliant, the Company
utilizes third-party equipment and software that may not be Year 2000 compliant.
Failure of such third-party equipment or software to operate properly with
regard to the Year 2000 and thereafter could require the Company to incur
unanticipated expenses to remedy any problems, which could have a material
adverse effect on the Company's business, operating results and financial
condition. The business, operating results and financial condition of the
Company's customers could be adversely affected to the extent that they utilize
third-party software products which are not Year 2000 compliant. Furthermore,
the purchasing patterns of customers or potential customers may be affected by
Year 2000 issues as companies expend significant resources to correct their
current systems for Year 2000 compliance. These expenditures may result in
reduced funds available to purchase products and services such as those offered
by the Company, which could have a material adverse effect on the Company's
business, operating results and financial condition.
 
     Supplier Dependence; Third Party Manufacturing. Certain of the Company's
products contain critical components supplied by a single or a limited number of
third parties. The Company has been required to purchase and inventory certain
of the computer platforms around which it designs its network fault and
performance management products to ensure an available supply of the product for
its customers. Any significant shortage of these platforms or other components
or the failure of the third party supplier to maintain or enhance these products
could lead to cancellations of customer orders or delays in placement of orders
which could materially adversely affect the Company's results of operations. If
the Company's purchase of such components or platforms exceeds demand, the
Company could incur losses or other charges in disposing of excess inventory,
which could also materially adversely affect the Company's results of
operations.
 
     The Company's manufacturing operations consist primarily of final assembly,
testing and quality control of materials, components, subassemblies and systems
for its Sniffer based products. The Company intends to outsource these
manufacturing operations in 1998. There can be no assurance that the Company
will be able to qualify and secure on commercially acceptable terms satisfactory
third party manufacturers on a timely basis or at all. In addition, reliance on
third party manufacturers will involve a number of risks, including the lack of
direct control over the manufacturing process, the absence or unavailability of
adequate capacity and reduced control over delivery schedules, quality control
and costs. In the event that, once initially secured, the Company's third party
manufacturers are unable or unwilling to continue to manufacture the Sniffer
based products in required volumes, on a cost effective basis, in a timely
manner or at all, the Company will have to secure additional manufacturing
capacity. Even if such additional capacity is available at commercially
acceptable terms, the qualification process could be lengthy and could create
delay in product shipments.
 
     Possible Price Volatility of Common Stock. The trading price
of the Company's Common Stock has historically been, and is expected to be,
subject to wide fluctuations. The market price of the Company Common Stock may
be significantly impacted by quarterly variations in financial performance, 
shortfalls in revenue or earnings from levels forecast by securities analysts,
changes in estimates by such analysts, market conditions in the computer 
software or hardware industries, product introductions by the Company or its 
competitors, announcements of extraordinary events such as acquisitions or 
litigation or general economic conditions. Statements or changes
 
                                       19

<PAGE>   21
 
in opinions, ratings, or earnings estimates made by brokerage firms or industry
analysts relating to the market in which the Company does business or relating
to the Company specifically could result in an immediate and adverse effect on
the market price of the Common Stock. In addition, in recent years the stock
market has experienced extreme price and volume fluctuations. These fluctuations
have had a substantial effect on the market prices for many high technology and
emerging growth companies, often unrelated to the operating performance of the
specific companies. There can be no assurance that the market price of the
Common Stock will not decline below the levels prevailing at the time of this
offering. Securities class action lawsuits are often brought against companies
following periods of volatility in the market price of their securities. Any
such litigation against the Company could result in substantial costs and a
diversion of resources and management attention.
 
                                       20
<PAGE>   22



                              SELLING STOCKHOLDERS

         The following table lists the Selling Stockholders, the number of
shares of the Company's Common Stock which each owned or had the right to
acquire as of February 11, 1998. Because the Selling Stockholders may offer all
or some of the Shares which they hold pursuant to the offering contemplated by
this Prospectus, and because there are currently no agreements, arrangements or
understandings with respect to the sale of any of the Shares, no estimate can be
given as to the amount of Shares that will be held by the Selling Stockholders
after completion of this offering. The Shares are being registered to permit
public secondary trading of the Shares, and the Selling Stockholders may offer
the Shares for resale from time to time. See "Plan of Distribution."

         The Shares being offered by the Selling Stockholders were acquired from
the Company in connection with the Company's acquisition of (i) all of the
outstanding stock of Helix (the "Helix Acquisition"), (ii) all the issued and
outstanding stock of PGP (the "PGP Acquisition"), (iii) all the outstanding
stock of Jade (the "Jade Acquisition"), (iv) a controlling interest in FSA (the
"FSA Acquisition") or (v) all the outstanding stock of Schuijers (the "Schuijers
Acquisition"). The Helix Acquisition was accomplished pursuant to the terms of
an Agreement and Plan of Reorganization, dated December 1, 1997, whereby all
issued and outstanding shares of Helix were exchanged for an aggregate of
550,000 shares of the Company's Common Stock. The PGP Acquisition was
accomplished pursuant to the terms of an Agreement and Plan of Reorganization,
dated as of December 1, 1997, among the Company, PGP and PG Acquisition Corp., a
wholly owned subsidiary of the Company whereby the Company paid approximately
$36 million in cash and assumed liabilities and issued certain warrants to
acquire approximately 250,000 shares of the Company's Common Stock to the former
holders of PGP Series B Preferred Stock. The Jade Acquisition was accomplished
pursuant to the terms of a Stock Exchange Agreement dated January 13, 1997,
whereby all the issued and outstanding shares of stock of Jade were exchanged
for an aggregate of 336,071 shares of the Company's Common Stock. The FSA
Acquisition was accomplished pursuant to the terms of a Combination Agreement,
dated August 16, 1996, whereby the Company issued an aggregate of 375,065 shares
of its Common Stock in exchange for Class F Exchangeable Shares of FSA (the
"Exchangeable Shares") issued to the former shareholder of FSA. The Schuijers
Acquisition was accomplished pursuant to the terms of a Stock Exchange Agreement
dated February 28, 1997 whereby the Company issued 63,721 shares of its Common
Stock in exchange for all issued and outstanding shares of Schuijers.

         The Company has filed with the Commission, under the Act, a
Registration Statement on Form S-3, of which this Prospectus forms a part, with
respect to the resale of the Shares from time to time on the Nasdaq National
Market or in privately-negotiated transactions. The Company has agreed to use
reasonable efforts to keep such Registration Statement effective for 365 days
from the date of effectiveness of the Registration Statement on Form S-3, of
which this Prospectus forms a part, subject to certain restrictions, or, if
earlier, until the distribution contemplated in this Prospectus has been
completed.

         The Shares offered by this Prospectus may be offered from time to time
by the Selling Stockholders named below:

                                       21

<PAGE>   23




<TABLE>
<CAPTION>

                                    NUMBER OF SHARES OF              
                                         COMMON STOCK    
                                   BENEFICIALLY OWNED PRIOR     PERCENTAGE OF
NAME OF SELLING STOCKHOLDER            TO THE OFFERING        OUTSTANDING SHARES
- --------------------------------------------------------------------------------
<S>                                 <C>                       <C>
N.A.M. Huijbregts                                  21,028            *
Drs P.A.G. Peters                                  21,028            *
Amitges Beheer B.V                                 21,665            *
Seiji Murakami                                     65,870            *
Sange Murakami                                     40,328            *
Atsuhiro Murakami                                   9,410            *
Kanako Murakami                                     9,410            *
Daniel Freedman                                   325,062            *
Michael L. Spilo                                  326,408            *
Jeremy J. Biggs                                     2,837            *
John T. Dunne                                       4,254            *
Janet M. Spitzer                                   11,348            *
Daniel A. Fabrizio                                 17,022            *
Jonathan A. Daub                                   11,348            *
Tami Spilo                                         39,718            *
Daniel Spilo                                       19,859            *
Frances E. Refol                                    7,943            *
Estate of James Pancamo                            11,914            *
Attachmate Corp.                                   98,059            *
Gerard Klauer Mattison & Co., Inc.                  5,000(1)         *
Cornerstone Properties I, LLC                      62,955(1)         *
Robert Carroll, M.D                                 8,705(1)         *
Troy S. Potter                                      3,731(1)         *
James B. Howard                                     6,218(1)         *
Mark Zwecker                                        2,488(1)         *
Robert W. White, II                                   249(1)         *
Ozawa Family Trust                                  3,109(1)         *
David Heller and Etta Heller                        3,109(1)         *
RPM Asset Management                                7,462(1)         *
PGP Partners                                        5,223(1)         *
James N. Oliphant                                   1,866(1)         *
Michael Nichols                                     1,244(1)         *
Robert M. Murphy                                    3,731(1)         *
Patrick E. Murphy                                   2,488(1)         *
Thomas A. Burg                                        622(1)         *
William A. Benton                                   3,731(1)         *
Jeffrey W. Benton                                   2,488(1)         *
Frederick F. Tramutola, Jr                            622(1)         *
Stephen J. Lewis and Lori D. Sutherland JTWROS      1,244(1)         *
Timothy Sommerfield                                 1,244(1)         *
</TABLE>
                                                               

                                       22

<PAGE>   24


<TABLE>
<CAPTION>


<S>                                                           <C>           <C>
Calco Partners, Ltd.                                          1,244(1)       *
Robert C. Fitzwilson Trust                                    3,109(1)       *
Susan Jackson Trust                                           3,109(1)       *
Holt Hickman                                                  2,488(1)       *
James E. Askew                                                  622(1)       *
Paul David Rohrbaugh and Jennifer Sullivan                      498(1)       *
Johnny G. Bills                                                 622(1)       *
Earl V. Swift                                                   622(1)       *
Carlos Green and Jo Ann Green                                   622(1)       *
George Kostohryz and Brenda Bostohryz                           622(1)       *
Richard W. Ehlers Trustee of Endodontic Association           1,244(1)       *
Richard W. Ehlers and Jean W. Ehlers Trustees of Waldo        1,244(1)       *
Solimar Company                                               6,218(1)       *
Richard Parrillo                                              2,488(1)       *
Richard S. Lipson and Francine R. Gursky Lipson                 747(1)       *
William N. Melton                                            24,872(1)       *
W A & H Investment, LLC                                       6,218(1)       *
Matt Kohn                                                     1,244(1)       *
John F. Morgan                                                3,731(1)       *
Charles Ying                                                  3,109(1)       *
Richard Ying                                                  3,109(1)       *
Frank M. Bishop                                               1,866(1)       *
Willis M. Everett, III                                          622(1)       *
John J. Monahan                                               1,244(1)       *
Chattahoochee Leasing Corporation                             2,488(1)       *
Julio C. Beaton, Jr                                           1,244(1)       *
James A. Slazas                                                 871(1)       *
James A. Slazas and Mary Ann Slazas                             374(1)       *
AOSA Ventures Limited Partnership                             3,109(1)       *
William J. Steding                                            9,949(1)       *
Paul T. Leonard, Jr                                           2,488(1)       *
Thomas L. Ward                                                1,393(1)       *
John C. Dunning                                               2,488(1)       *
Neal M. Allen                                                 2,488(1)       *
Leonard E. Oliver                                             1,244(1)       *
Melville Marx                                                 2,488(1)       *
The Martin C. and Edis Robinson Revocable Trust               2,488(1)       *
Hasan 1995 Living Trust                                       3,731(1)       *
Lida Urbanek Revocable Trust                                  2,488(1)       *
Frederick M. Hoar and Sheila J. Hoar                            622(1)       *
The Kahn Revocable Family Trust                               1,244(1)       *
Alston & Bird LLP                                             1,084(1)       *
James Seltzer                                                 8,705(1)       *
</TABLE>

- ----------
* Less than 1%

(1)   Such shares are purchasable pursuant to a Warrant Agreement dated 
      December 9, 1997 by and between the Company and such Beneficial Owner.


                                       23

<PAGE>   25

                              PLAN OF DISTRIBUTION

         All or a portion of the Shares offered hereby by the Selling
Stockholders may be delivered and/or sold from time to time in transactions on
the Nasdaq National Market, in privately negotiated transactions, or by a
combination of such methods of sale, at fixed prices that may be changed, at
market prices prevailing at the time of sale, at prices related to such
prevailing market prices or at negotiated prices. After the effectiveness of the
Registration Statement of which this Prospectus is a part, the Selling
Stockholders may make short sales of the Company's Common Stock and may use the
Shares to cover the resulting short positions. The Selling Stockholders may
effect such transactions by selling the Shares to or through broker-dealers and
such broker-dealers may receive compensation in the form of discounts,
concessions or commissions from the Selling Stockholders or the purchasers of
the Shares for whom such broker-dealers may act as agent or to whom they sell as
principal or both (which compensation to a particular broker-dealer might be in
excess of customary commissions). There is no assurance that any of the Selling
Stockholders will sell any or all of the Shares offered by them.

         Any Selling Stockholder and any broker-dealers that participate in the
distribution may under certain circumstances be deemed to be "underwriters"
within the meaning of the Securities Act, and any commissions received by such
broker-dealers and any profits realized on the resale of Shares may be deemed to
be underwriting discounts and commissions under the Securities Act. Each Selling
Stockholder may agree to indemnify such broker-dealers against certain
liabilities, including liabilities under the Securities Act. In addition, the
Company has agreed to indemnify in certain circumstances certain Selling
Stockholders against certain liabilities, including liabilities arising under
the Securities Act and Exchange Act. Certain Selling Stockholders have agreed to
indemnify in certain circumstances the Company and certain related persons
against certain liabilities, including liabilities arising under the Securities
Act and Exchange Act.

         Any broker-dealer participating in such transactions as agent may
receive commissions from a Selling Stockholder (and, if it acts as agent for the
purchase of such Shares, from such purchaser). Broker-dealers may agree with
such Selling Stockholder to sell a specified number of Shares at a stipulated
price per share, and, to the extent such a broker-dealer is unable to do so
acting as agent for such Selling Stockholder, to purchase as principal any
unsold Shares. Broker-dealers who acquire Shares as principal may thereafter
resell such Shares from time to time in transactions (which may involve crosses
and block transactions and which may involve sales to and through other
broker-dealers, including transactions of the nature described above) on the
Nasdaq National Market, in privately negotiated transactions, or by a
combination of such methods of sale, at fixed prices that may be changed, at
market prices prevailing at the time of sale, at prices related to such
prevailing market prices or at negotiated prices, and in connection with such
resales may pay to or receive from the purchasers of such Shares commissions
computed as described above.

         Each Selling Stockholder will be subject to applicable provisions of
the Exchange Act, and the rules and regulations thereunder, including, without
limitation, Regulation M, which provisions may limit the time of bids for and
purchases of shares of the Company's Common Stock by such Selling Stockholder.

         Each Selling Stockholder will pay all commissions and other expenses
associated with the sale of the Shares by such Selling Stockholder. The Shares
offered hereby are being registered pursuant to contractual obligations of the
Company, and the Company has agreed to bear certain expenses in connection with
the registration and sale of the Shares being offered by every such Selling
Stockholder. The Company has not made any underwriting arrangements with respect
to the sale of Shares offered hereby.



                                       24

<PAGE>   26

                                USE OF PROCEEDS

         The Company will not receive any proceeds from the sale of Common Stock
by the Selling Stockholders.

                   INDEMNIFICATION OF DIRECTORS AND OFFICERS

         The Company's Certificate of Incorporation limits, to the maximum
extent permitted by Delaware law, the personal liability of directors for
monetary damages for breach of their fiduciary duties as a director. The
Company's Bylaws provide that the Company shall indemnify its officers and
directors and may indemnify its employees and other agents to the fullest extent
permitted by Delaware law. The Company has entered into indemnification
agreements with its officers and directors containing provisions which are in
some respects broader than the specific indemnification provisions contained in
the Delaware General Corporation Law. The indemnification agreements require the
Company, among other things to indemnify such officers and directors against
certain liabilities that may arise by reason of their status or service as
directors or officers (other than liabilities arising from willful misconduct of
a culpable nature), to advance their expenses incurred as a result of any
proceeding against them as to which they could be indemnified, and to obtain
directors' and officers' insurance, if available on reasonable terms. The
Company believes that these agreements are necessary to attract and retain
qualified persons as directors and officers.

         Section 145 of the Delaware General Corporation Law provides that a
corporation may indemnify a director, officer, employee or agent made a party to
an action by reason of that fact that he or she was a director, officer,
employee or agent of the corporation or was serving at the request of the
corporation against expenses actually and reasonably incurred by him or her in
connection with such action if he or she acted in good faith and in a manner he
or she reasonably believed to be in, or not opposed to, the best interests of
the corporation and with respect to any criminal action, had no reasonable cause
to believe his or her conduct was unlawful.

         Insofar as indemnification for liabilities arising under the Securities
Act may be permitted to directors, officers or persons controlling the
Registrant pursuant to the foregoing provisions, the Registrant has been
informed that in the opinion of the Securities and Exchange Commission, such
indemnification is against public policy as expressed in the Securities Act and
is therefore unenforceable.

                                 LEGAL MATTERS

         The legality of the securities offered hereby will be passed upon for
the Company by Wilson Sonsini Goodrich & Rosati, Professional Corporation, Palo
Alto, California.

                                    EXPERTS

   
         The consolidated balance sheets of the Company as of December 31, 1997
and 1996, and the consolidated statements of operations, stockholders' equity,
and cash flows and the financial statement schedule for each of the years in the
three-year period ended December 31, 1997, incorporated in this Prospectus by
reference from the Company's Annual Report on Form 10-K for the year ended
December 31, 1997, have been audited by Coopers & Lybrand L.L.P., independent
certified public accountants, and are incorporated herein by reference in
reliance upon the report of Coopers & Lybrand L.L.P., and upon the authority of
such firm as experts in accounting and auditing. 
    

   
    


                                       25

<PAGE>   27



NO DEALER, SALESPERSON OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY
INFORMATION OR MAKE ANY REPRESENTATIONS IN CONNECTION WITH THIS OFFERING OTHER
THAN THOSE CONTAINED IN THIS PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION
OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY THE
COMPANY OR THE SELLING STOCKHOLDERS. THIS PROSPECTUS DOES NOT CONSTITUTE AN
OFFER TO SELL OR A SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES
OFFERED HEREBY BY ANYONE IN ANY JURISDICTION IN WHICH SUCH OFFER OR SOLICITATION
IS NOT AUTHORIZED OR IN WHICH THE PERSON MAKING SUCH OFFER OR SOLICITATION IS
NOT QUALIFIED TO DO SO OR TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH
OFFER OR SOLICITATION. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE
HEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THE
INFORMATION CONTAINED HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO THE DATE OF
THE PROSPECTUS.



                               TABLE OF CONTENTS

                                                                          PAGE

Trademarks                                                                 2

McAfee Associates/Network General Merger                                   2

Available Information                                                      2

Information Incorporated by Reference                                      2

Forward-Looking Statements                                                 3

The Company                                                                4

Risk Factors                                                               6

Selling Stockholders                                                      21

Plan of Distribution                                                      24

Use of Proceeds                                                           25

Indemnification of Directors and Officers                                 25

Legal Matters                                                             25

Experts                                                                   25




                                1,309,477 SHARES





                              NETWORKS ASSOCIATES,
                                      INC.







                                  Common Stock



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



                            ------------------ , 1998


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



<PAGE>   28



                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

         The fees and expenses incurred by the Company in connection with the
offering are payable by the Company and, other than filing fees, are estimated
as follows:

   
<TABLE>
<CAPTION>

<S>                                                                      <C>    
  Securities and Exchange Commission Registration Fee................    $21,968
                                                                         
  NASDAQ Filing Fee..................................................     16,500
                                                                         
  Legal Fees and Expenses ...........................................     25,000
                                                                         
  Accounting Fees....................................................     10,000

  Miscellaneous......................................................      6,000
                                                                         -------
    Total............................................................    $79,468
                                                                         =======
</TABLE>
    

ITEM 15.  INDEMNIFICATION OF OFFICERS AND DIRECTORS.

         Section 145 of the Delaware General Corporation law ("DGCL") empowers a
Delaware corporation to indemnify any persons who are, or are threatened to be
made, parties to any threatened, pending or completed legal action, suit or
proceedings, whether civil, criminal, administrative or investigative (other
than action by or in the right of such corporation), by reason of the fact that
such person was an officer or director of such corporation, or is or was serving
at the request of such corporation as a director, officer, employee or agent of
another corporation or enterprise. The indemnity may include expenses (including
attorneys' fees), judgments, fines and amounts paid in settlement actually and
reasonably incurred by such person in connection with such action, suit or
proceeding, provided that such officer or director acted in good faith and in a
manner he reasonably believed to be in or not opposed to the corporation's best
interest, and, for criminal proceedings, had no reasonable cause to believe his
conduct was illegal. A Delaware corporation may indemnify officers and directors
in an action by or in the right of the corporation under the same conditions,
except that no indemnification is permitted without judicial approval if the
officer or director is adjudged to be liable to the corporation in the
performance of his duty. Where an officer or director is successful on the
merits or otherwise in the defense of any action referred to above, the
corporation must indemnify him against the expenses which such officer or
director actually and reasonably incurred.

         In accordance with the DGCL, the Company's Second Restated Certificate
of Incorporation ("Certificate") contains a provision to limit the personal
liability of the directors of the Registrant for violations of their fiduciary
duty. This provision eliminates each director's liability to the Registrant or
its stockholders for monetary damages except (i) for any breach of the
director's duty of loyalty to the Registrant or its stockholders, (ii) for acts
or omissions not in good faith or which involve intentional misconduct or a
knowing violation of law, (iii) under Section 174 of the DGCL providing for
liability of directors for unlawful payment of dividends or unlawful stock
purchases or redemptions, or (iv) for any transaction from which a director
derived an improper personal benefit. The effect of this provision is to
eliminate the personal liability of directors for monetary damages for actions
involving a breach of their fiduciary duty of care, including any such actions
involving gross negligence.

         Article Sixth of the Company's Certificate and Article VIII, Section 1
of the Company's Bylaws provide for indemnification of the officers and
directors of the Registrant to the fullest extent permitted by applicable law.

         The Registrant has entered into indemnification agreements with each
director and executive officer which provide indemnification to such directors
and executive officers under certain circumstances for acts or omissions which
may not be covered by directors' and officers' liability insurance.

                                      II-1

<PAGE>   29



ITEM 16.  EXHIBITS.

         The following exhibits are filed with this Registration Statement:

   
<TABLE>
<CAPTION>

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

<S>                 <C>                                                       
2.1                 Agreement and Plan of Reorganization, dated as of October 13,
                    1997, among McAfee Associates, Inc., Mystery Acquisition Corp.
                    and Network General Corporation, as amended by the First
                    Amendment thereto, dated as of October 22, 1997.(*)

2.2                 Combination Agreement dated August 16, 1996 among the Registrant,
                    FSA Combination Corp., FSA Corporation and Daniel Freedman.(1)

2.3                 Stock Exchange Agreement dated January 13, 1996 among the
                    Registrant, FSA Combination Corp., Kabushiki Kaisha Jade and
                    the shareholders of Jade.(2)

2.4                 Agreement and Plan of Reorganization dated December 1, 1997
                    between the Registrant, Helix Software Company and DNA
                    Acquisition Corp.(*)

2.5                 Agreement and Plan of Reorganization dated December 1, 1997
                    between the Registrant, PGP and PG Acquisition Corp.,
                    incorporated by reference to the Report on Form 8-K of the
                    Registrant as filed with the Securities and Exchange Commission
                    on December 11, 1997 (the "December 11, 1997 Form 8-K").

4.1                 Registration Rights Agreement, dated as of August 30, 1996,
                    by and among McAfee Associates, Inc., FSA Combination Corp.
                    and FSA Corporation, incorporated by reference to the Report
                    on Form 8-K of McAfee Associates, Inc., as filed with the
                    Securities and Exchange Commission on September 24, 1996
                    (the "September 24 Form 8-K").

4.2                 Registration Rights Agreement, dated January 13, 1997 by and
                    between McAfee Associates, Inc. and the shareholders of Jade, 
                    incorporated by reference to the Report on Form 8-K of McAfee
                    Associates, Inc., as filed with the Securities and Exchange 
                    Commission on March 14, 1997 (the "March 14 Form 8-K").

4.3                 Registration Rights Agreement, dated as of February 28, 1997, 
                    by and between McAfee Associates, Inc. and shareholders of 
                    Schuijers, incorporated by reference to Exhibit 10.50 to the 
                    Report on Form 10-K of McAfee Associates, Inc. for the year 
                    ended December 31, 1996 (the "1996 Form 10-K").

4.4                 Registration Rights Agreement, dated December 1, 1997 by and
                    between McAfee Associates, Inc. and the shareholders of Helix.(*)

4.5                 Registration Rights Agreement, dated December 9, 1997 between 
                    McAfee Associates, Inc. and certain shareholders of PGP, 
                    incorporated by reference to the Report on Form 8-K of McAfee 
                    Associates as filed with the Securities and Exchange Commission 
                    on December 11, 1997 (the "December 11 Form 8-K").

5.1                 Opinion of Wilson Sonsini Goodrich & Rosati, Professional
                    Corporation.

10.1                Standard Business Lease (Net) for Network General's principal 
                    facility dated June 18, 1991, between Network General and Menlo 
                    Oaks Partners, L.P., which is incorporated by reference to 
                    Exhibit 10.3 of Network General's Annual Report on Form 10-K 
                    for the year ended March 31, 1991.(3)

10.2                First Amendment to Lease dated June 10, 1992, between Network 
                    General and Menlo Parks Partners, L.P., which is incorporated by 
                    reference to Exhibit 10.3 of Network General's Annual Report on 
                    Form 10-K for the year ended March 31, 1992 ("Network General 
                    1992 Form 10-K").(3)

10.3                Standard Business Lease (Net) for Network General's principal 
                    facility dated March 11, 1992, between Network General and Menlo 
                    Oaks Partners, L.P., which is incorporated by reference to 
                    Exhibit 10.4 of the Network General 1992 Form 10- K.(3)

10.4                First Amendment to Lease dated June 18, 1992, between Network 
                    General and Menlo Oaks Partners, L.P., which is incorporated by 
                    reference to Exhibit 10.5 of the Network General 1992 Form 10-K.(3)
</TABLE>
    

                                      II-2

<PAGE>   30


   
<TABLE>
<CAPTION>

<S>                 <C>                               
10.5                Lease dated March 31, 1992, between Network General and
                    Equitable Life Assurance Society of the United States, which
                    is incorporated by reference to Exhibit 10.4 of the Network
                    General 1992 Form 10-K.(3)

10.6                Second Amendment to Lease dated February 1, 1995, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.2 of Network
                    General's Quarterly Report on form 10-Q for the quarter
                    ended December 31, 1994 ("Network General December 1994 form
                    10-Q").(3)

10.7                Third Amendment to Lease dated February 1, 1995 between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.23 of the Network
                    General December 1994 Form 10-Q.(3)

10.8                Fourth Amendment to Lease dated May 31, 1995, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.27 of Network
                    General's Quarterly Report on Form 10-Q for the quarter
                    ended June 30, 1995 ("Network General June 1995 Form
                    10-Q").(3)

10.9                Fifth Amendment to Lease dated June 13, 1995, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.28 of the Network
                    General June 1995 Form 10-Q.(3)

10.10               Lease dated July 3, 1996, between Network General and
                    Campbell Avenue Associates, which is incorporated by
                    reference to Exhibit 10.21 of Network General's Quarterly
                    Report on Form 10-Q for the quarter ended June 30, 1996.(3)

10.11               Sixth Amendment to Lease dated November 29, 1996, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.22 of Network
                    General's Quarterly Report on Form 10-Q for the quarter
                    ended December 31, 1996.(3)

10.12               Sublease Agreement for facility at 2805 Bowers Avenue, Santa
                    Clara, California, dated as of February 20, 1997, by and
                    between McAfee Associates, Inc. and National Semiconductor
                    Corporation, incorporated by reference to Exhibit 10.51 of
                    the Form 10-Q of McAfee Associates, Inc. for the Quarter
                    ended June 30, 1997.

10.13               Lease Agreement dated November 17, 1997 for facility at 3965
                    Freedom Circle, Santa Clara, California by and between
                    Informix Corporation and McAfee Associates, Inc.(*)

10.14               Consent to Assignment Agreement dated December 19, 1997 by
                    and among Birk S. McCandless, LLC, Guaranty Federal Bank,
                    F.S.B., Informix Corporation and Networks Associates, Inc.(*)

10.15               Subordination, Nondisturbance and Attornment Agreement dated
                    December 18, 1997 between Guaranty Federal Bank, F.S.B.,
                    Networks Associates, Inc., and Birk S. McCandless, LLC.(*)

10.16               Lease dated November 22, 1996 by and between Birk S.
                    McCandless, LLC and Informix Corporation for facility at
                    3965 Freedom Circle, Santa Clara, California.(*)

10.17               Quota Purchase Assignment Agreement, dated as of April 14,
                    1997, by and among McAfee Associates, Inc. and McAfee Do
                    Brasil Ltda., Compusul-Consultoria E Comericio De
                    Informatica Ltda., and the stockholders of
                    Compusul-Consultoria E Comericio De Informatica Ltda.,
                    incorporated by reference to Exhibit 10.52 of the Form 10-Q
                    of McAfee Associates, Inc. for the Quarter ended June 30,
                    1997.
</TABLE>
    

                                      II-3
<PAGE>   31
   
<TABLE>
<CAPTION>

<S>                 <C>                                                    
10.18               1997 Stock Incentive Plan, incorporated by reference to
                    Exhibit 4.1 to the Registration Statement on Form S-8 of
                    McAfee Associates, Inc., filed with the Securities and
                    Exchange Commission on August 8,1997.

21.1                Subsidiaries of Networks Associates, Inc.(*)

23.1                Consent of Wilson Sonsini Goodrich & Rosati, Professional
                    Corporation (included in Exhibit 5.1).

23.2                Consent of Coopers & Lybrand L.L.P.

24.1                Power of Attorney (included in Part II of this Registration
                    Statement under the caption "Signatures").(*)
</TABLE>
    


(1)      Incorporated by reference from the Registrant's Current Report on Form
         8-K filed with the Commission on September 24, 1996.

(2)      Incorporated by reference from the Registrant's Current Report on Form
         8-K filed with the Commission on March 14, 1997.

(3)      Network General's filings with the Commission were made under File 
         Number 0-17431.
   
(*)      Previously Filed.
    


ITEM 17.  UNDERTAKINGS.

         The undersigned Registrant hereby undertakes:

         (1) To file, during any period in which offers or sales are being made,
a post-effective amendment to this Registration Statement: (i) to include any
prospectus required by section 10(a)(3) of the Securities Act; (ii)to reflect in
the prospectus any facts or events arising after the effective date of the
Registration Statement (or the most recent post-effective amendment thereof)
which, individually or in the aggregate, represent a fundamental change in the
information set forth in the Registration Statement. Notwithstanding the
foregoing, any increase or decrease in volume of securities offered (if the
total dollar value of securities offered would not exceed that which was
registered) and any deviation from the low or high end of the estimated maximum
offering range may be reflected in the form of prospectus filed with the
Commission pursuant to Rule 424(b) (Section 230.424(b) of this chapter) if, in
the aggregate, the changes in volume and price represent no more than a 20%
change in the maximum aggregate offering price set forth in the "Calculation of
Registration Fee" table in the effective registration statement; and (iii) to
include any material information with respect to the plan of distribution not
previously disclosed in the Registration Statement or any material change to
such information in the Registration Statement; provided, however, that (i) and
(ii) do not apply if the Registration Statement is on Form S-3, Form S-8 or Form
F-3, and the information required to be included in a post-effective amendment
by (i) and (ii) is contained in periodic reports filed with or furnished to the
Commission by the Registrant pursuant to Section 13 or Section 15(d) of the
Exchange Act that are incorporated by reference in the Registration Statement.

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

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

         The undersigned Registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
Registrant's annual report pursuant to Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 (and, where applicable, each filing of an employee benefit
plan's annual report

                                      II-4
<PAGE>   32

pursuant to Section 15(d) of the Securities Exchange Act of 1934) that is
incorporated by reference in the Registration Statement shall be deemed to be a
new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial bona
fide offering thereof.

         Insofar as indemnification for liabilities arising under the Securities
Act of 1933 may be permitted to directors, officers and controlling persons of
the registrant pursuant to the provisions described in Item 15 above, or
otherwise, the Registrant has been advised that in the opinion of the Securities
and Exchange Commission such indemnification is against public policy as
expressed in the Securities Act and is, therefore, unenforceable. In the event
that a claim for indemnification against liabilities (other than the payment of
the Registrant of expenses incurred or paid by a director, officer or
controlling person of the Registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person
in connection with the securities being registered, the Registrant will, unless
in the opinion of its counsel the matter has been settled by controlling
precedent, submit to a court of appropriate jurisdiction the question whether
such indemnification by it is against public policy as expressed in the
Securities Act and will be governed by the final adjudication of such issue.

         The undersigned Registrant hereby undertakes that:

         (1) For purposes of determining any liability under the Securities Act
of 1933, the information omitted from the form of prospectus filed as part of
this registration statement in reliance upon Rule 430A and contained in a form
of prospectus filed by the Registrant pursuant to Rule 424(b)(1) or (4) or
497(h) under the Securities Act shall be deemed to be part of this Registration
Statement as of the time it was declared effective.

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


                                      II-5
<PAGE>   33



                                   SIGNATURES

   
         Pursuant to the requirements of the Securities Act of 1933, the
registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-3 and has duly caused this Registration
Statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Santa Clara, State of California on this 19th day of
February, 1998.
    

                                            NETWORKS ASSOCIATES, INC.



                                            By: /s/ William L. Larson
                                                --------------------------------
                                                William L. Larson

                                                President and Chief Executive 
                                                Officer


   
    


                                      II-6


<PAGE>   34


         IN WITNESS WHEREOF, each of the undersigned has executed this Power of
Attorney as of the date indicated.

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

   
<TABLE>
<CAPTION>

      Signature                                 Title                                  Date
      ---------                                 -----                                  ----

<S>                             <C>                                                <C>    
/s/  William L. Larson          President, Chief Executive Officer and             February 19, 1998
- -------------------------       Chairman of the Board (Principal Executive
William L. Larson               Officer and Chairman of the Board)


            *                   Vice President of Finance and                      February 19, 1998
- -------------------------       Administration, Chief Financial Officer,
Prabhat K. Goyal                Treasurer and Secretary (Principal Financial
                                and Accounting Officer)

            *                   Director                                           February 19, 1998
- -------------------------
Virginia Gemmell

            *                   Director                                           February 19, 1998
- -------------------------
Leslie G. Denend

            *                   Director                                           February 19, 1998
- -------------------------
Edwin L. Harper

            *                   Director                                           February 19, 1998
- -------------------------
Harry J. Saal

By: /s/ WILLIAM L. LARSON                                                          February 19, 1998
    ---------------------
    William L. Larson
    as Attorney-in-Fact
</TABLE>
    

                                      II-7
<PAGE>   35



                                  EXHIBIT INDEX


   
<TABLE>
<CAPTION>

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

<S>                 <C>                                                    
2.1                 Agreement and Plan of Reorganization, dated as of October
                    13, 1997, among McAfee Associates, Inc., Mystery Acquisition
                    Corp. and Network General Corporation, as amended by the
                    First Amendment thereto, dated as of October 22, 1997.(*)

2.2                 Combination Agreement dated August 16, 1996 among the
                    Registrant, FSA Combination Corp., FSA Corporation and
                    Daniel Freedman.(1)

2.3                 Stock Exchange Agreement dated January 13, 1996 among the
                    Registrant, FSA Combination Corp., Kabushiki Kaisha Jade and
                    the shareholders of Jade.(2)

2.4                 Agreement and Plan of Reorganization dated December 1, 1997
                    between the Registrant, Helix Software Company and DNA
                    Acquisition Corp.(*)

2.5                 Agreement and Plan of Reorganization dated December 1, 1997
                    between the Registrant, PGP and PG Acquisition Corp.,
                    incorporated by reference to the Report on Form 8-K of the
                    Registrant as filed with the Securities and Exchange
                    Commission on December 11, 1997 (the "December 11, 1997 Form
                    8-K").

4.1                 Registration Rights Agreement, dated as of August 30, 1996,
                    by and among McAfee Associates, Inc., FSA Combination Corp.
                    and FSA Corporation, incorporated by reference to the Report
                    on Form 8-K of McAfee Associates, Inc., as filed with the
                    Securities and Exchange Commission on September 24, 1996
                    (the "September 24 Form 8-K").

4.2                 Registration Rights Agreement, dated January 13, 1997 by and
                    between McAfee Associates, Inc. and the shareholders of
                    Jade, incorporated by reference to the Report on Form 8-K of
                    McAfee Associates, Inc., as filed with the Securities and
                    Exchange Commission on March 14, 1997 (the "March 14 Form
                    8-K").

4.3                 Registration Rights Agreement, dated as of February 28,
                    1997, by and between McAfee Associates, Inc. and
                    shareholders of Schuijers, incorporated by reference to
                    Exhibit 10.50 to the Report on Form 10-K of McAfee
                    Associates, Inc. for the year ended December 31, 1996 (the
                    "1996 Form 10-K").

4.4                 Registration Rights Agreement, dated December 1, 1997 by and
                    between McAfee Associates, Inc. and the shareholders of
                    Helix.(*)

4.5                 Registration Rights Agreement, dated December 9, 1997
                    between McAfee Associates, Inc. and certain shareholders of
                    PGP, incorporated by reference to the Report on Form 8-K of
                    McAfee Associates as filed with the Securities and Exchange
                    Commission on December 11, 1997 (the "December 11 Form
                    8-K").

5.1                 Opinion of Wilson Sonsini Goodrich & Rosati, Professional
                    Corporation.

10.1                Standard Business Lease (Net) for Network General's
                    principal facility dated June 18, 1991, between Network
                    General and Menlo Oaks Partners, L.P., which is incorporated
                    by reference to Exhibit 10.3 of Network General's Annual
                    Report on Form 10-K for the year ended March 31, 1991.(3)
</TABLE>
    

<PAGE>   36

   
<TABLE>
<CAPTION>

<S>                 <C>          
10.2                First Amendment to Lease dated June 10, 1992, between
                    Network General and Menlo Parks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.3 of Network
                    General's Annual Report on Form 10-K for the year ended
                    March 31, 1992 ("Network General 1992 Form 10-K").(3)

10.3                Standard Business Lease (Net) for Network General's
                    principal facility dated March 11, 1992, between Network
                    General and Menlo Oaks Partners, L.P., which is incorporated
                    by reference to Exhibit 10.4 of the Network General 1992
                    Form 10- K.(3)

10.4                First Amendment to Lease dated June 18, 1992, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.5 of the Network
                    General 1992 Form 10-K.(3)

10.5                Lease dated March 31, 1992, between Network General and
                    Equitable Life Assurance Society of the United States, which
                    is incorporated by reference to Exhibit 10.4 of the Network
                    General 1992 Form 10-K.(3)

10.6                Second Amendment to Lease dated February 1, 1995, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.2 of Network
                    General's Quarterly Report on form 10-Q for the quarter
                    ended December 31, 1994 ("Network General December 1994 Form
                    10-Q").(3)

10.7                Third Amendment to Lease dated February 1, 1995 between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.23 of the Network
                    General December 1994 Form 10-Q.(3)

10.8                Fourth Amendment to Lease dated May 31, 1995, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.27 of Network
                    General's Quarterly Report on Form 10-Q for the quarter
                    ended June 30, 1995 ("Network General June 1995 Form
                    10-Q").(3)

10.9                Fifth Amendment to Lease dated June 13, 1995, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.28 of the Network
                    General June 1995 Form 10-Q.(3)

10.10               Lease dated July 3, 1996, between Network General and
                    Campbell Avenue Associates, which is incorporated by
                    reference to Exhibit 10.21 of Network General's Quarterly
                    Report on Form 10-Q for the quarter ended June 30, 1996.(3)

10.11               Sixth Amendment to Lease dated November 29, 1996, between
                    Network General and Menlo Oaks Partners, L.P., which is
                    incorporated by reference to Exhibit 10.22 of Network
                    General's Quarterly Report on Form 10-Q for the quarter
                    ended December 31, 1996.(3)

10.12               Sublease Agreement for facility at 2805 Bowers Avenue, Santa
                    Clara, California, dated as of February 20, 1997, by and
                    between McAfee Associates, Inc. and National Semiconductor
                    Corporation, incorporated by reference to Exhibit 10.51 of
                    the Form 10-Q of McAfee Associates, Inc. for the Quarter
                    ended June 30, 1997.

10.13               Lease Agreement dated November 17, 1997 for facility at 3965
                    Freedom Circle, Santa Clara, California by and between
                    Informix Corporation and McAfee Associates, Inc.(*)

10.14               Consent to Assignment Agreement dated December 19, 1997 by
                    and among Birk S. McCandless, LLC, Guaranty Federal Bank,
                    F.S.B., Informix Corporation and Networks Associates, Inc.(*)

</TABLE>
    

<PAGE>   37
   
<TABLE>
<CAPTION>

<S>                 <C>          

10.15               Subordination, Nondisturbance and Attornment Agreement dated
                    December 18, 1997 between Guaranty Federal Bank, F.S.B.,
                    Networks Associates, Inc., and Birk S. McCandless, LLC.(*)

10.16               Lease dated November 22, 1996 by and between Birk S.
                    McCandless, LLC and Informix Corporation for facility at
                    3965 Freedom Circle, Santa Clara, California.(*)

10.17               Quota Purchase Assignment Agreement, dated as of April 14,
                    1997, by and among McAfee Associates, Inc. and McAfee Do
                    Brasil Ltda., Compusul-Consultoria E Comericio De
                    Informatica Ltda., and the stockholders of
                    Compusul-Consultoria E Comericio De Informatica Ltda.,
                    incorporated by reference to Exhibit 10.52 of the Form 10-Q
                    of McAfee Associates, Inc. for the Quarter ended June 30,
                    1997.

10.18               1997 Stock Incentive Plan, incorporated by reference to
                    Exhibit 4.1 to the Registration Statement on Form S-8 of
                    McAfee Associates, Inc., filed with the Securities and
                    Exchange Commission on August 8,1997.

21.1                Subsidiaries of Networks Associates, Inc.(*)

23.1                Consent of Wilson Sonsini Goodrich & Rosati, Professional
                    Corporation (included in opinions filed as Exhibit 5.1).

23.2                Consent of Coopers & Lybrand L.L.P.

24.1                Power of Attorney (included in Part II of this Registration
                    Statement under the caption "Signatures").(*)
</TABLE>
    


(1)      Incorporated by reference from the Registrant's Current Report on Form
         8-K filed with the Commission on September 24, 1996.

(2)      Incorporated by reference from the Registrant's Current Report on Form 
         8-K filed with the Commission on March 14, 1997.

(3)      Network General's filings with the Commission were made under File 
         Number 0-17431.

   
(*)      Previously Filed.
    




<PAGE>   1
                                                                     EXHIBIT 5.1
           
   
                               February 19, 1998
    



Networks Associates, Inc.
2805 Bowers Avenue
Santa Clara, California 95051

                  RE:      REGISTRATION STATEMENT ON FORM S-3

Ladies and Gentlemen:

   
         We have examined the Registration Statement on Form S-3 filed by you
with the Securities and Exchange Commission on February 11, 1998 (Registration
No. 333- ) as amended (the "Registration Statement"), in connection with the
registration under the Securities Act of 1933, as amended, of a total of
1,309,477 shares of your Common Stock (the "Shares"). We understand that the
Shares are to be sold from time to time on the NASDAQ National Market at
prevailing prices or as otherwise described in the Registration Statement. As
your legal counsel, we have examined the proceedings taken by you in connection
with the sale of the Shares.
    

         It is our opinion that the Shares are legally and validly issued, fully
paid and nonassessable.

         We consent to the use of this opinion as an exhibit to the Registration
Statement and further consent to the use of our name wherever appearing in the
Registration Statement, including the Prospectus constituting a part thereof,
and any amendments thereto.

                                         Very truly yours,

                                         WILSON, SONSINI, GOODRICH & ROSATI
                                         Professional Corporation





<PAGE>   1

                                                                    Exhibit 23.2



                       CONSENT OF INDEPENDENT ACCOUNTANTS

   
        We consent to the incorporation by reference in this registration
statement on Form S-3 (File No. 333-46049), as amended, of our report dated
January 20,1998, except for the matters discussed in Notes 14 and 16 as to
which the date is February 13, 1998, on our audits of the financial statements
of Network Associates, Inc. We also consent to the references to our firm under
the caption "Experts."
    


                                                /s/ COOPERS & LYBRAND L.L.P.
                                                ----------------------------
                                                COOPERS & LYBRAND L.L.P.



San Jose, California
February 19, 1998


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