Document:

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                                                                    Exhibit 10.6

                               ALLAIRE CORPORATION
                            1998 STOCK INCENTIVE PLAN
                  NONSTATUTORY EMPLOYEE STOCK OPTION AGREEMENT

     This is a NONSTATUTORY EMPLOYEE STOCK OPTION AGREEMENT between Allaire
Corporation, a Delaware corporation (the "Company"), and the optionee (the
"Optionee") identified on the Notice of Grant of Stock Options to which this
Agreement is attached and which is incorporated into this Agreement by reference
(the "Notice").

     WHEREAS, the Company desires to carry out the purposes of the Allaire
Corporation 1998 Stock Incentive Plan (the "Plan") by affording the Optionee an
opportunity to purchase shares of Common Stock of the Company, par value $.01
per share ("Common Stock"), according to the terms set forth herein.

     NOW THEREFORE, the parties hereto hereby agree as follows:

          1. GRANT OF OPTION. Subject to the terms of the Plan, the Company
hereby grants to the Optionee the right and option (the "Option") to purchase
the number of shares of the Company's Common Stock specified in the Notice (the
"Shares") on the terms and conditions hereinafter set forth.

          2. PURCHASE PRICE. The purchase price of each of the Shares subject to
the Option shall be the exercise price per share specified in the Notice, which
price has been specified in accordance with Section 5(a) of the Plan.

          3. OPTION PERIOD.

            (a) Subject to the provisions of Sections 5 and 6 of this Agreement,
     the Option shall become exercisable as to the number of Shares and on the
     dates specified in the exercise schedule in the Notice. The exercise
     schedule shall be cumulative; thus, to the extent the Option has not
     already been exercised and has not expired, terminated or been canceled,
     the Optionee may at any time, and from time to time, purchase all or any
     portion of the Shares then purchasable under the exercise schedule.

            (b) The Option and all rights to purchase Shares thereunder shall
     cease on the earliest of:

               (i) the expiration date specified in the Notice (which date shall
               not be more than ten years after the date of this Agreement);

               (ii) termination of the Optionee's employment for Cause (as
               defined in the Plan);

               (iii) the expiration of the period after the termination of the
               Optionee's employment, other than a termination for Cause, within
               which the Option is exercisable as specified in Section 5(a) or
               5(b) of this Agreement, whichever is applicable; or

               (iv) the date, if any, fixed for cancellation pursuant to Section
               6(b)(iii) of this Agreement.

Notwithstanding any other provision in this Agreement, in no event may anyone
exercise the Option, in whole or in part, after its original expiration date.

          4. MANNER OF EXERCISING OPTION.

             (a) The Option may be exercised in whole or in part, by delivering
     written notice of exercise to the Company, specifying the number of shares
     to be purchased. Payment of the purchase price may be made by one or more
     of the following methods:

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               (i) in cash, by certified or bank check or other instrument
               acceptable to the committee under the Plan (the "Committee"); or

               (ii) in the form of shares of the Company's Common Stock that are
               not then subject to restrictions, if permitted by the Committee,
               in its discretion. Such surrendered shares shall be valued at
               Fair Market Value (as defined in the Plan) on the exercise date;
               or

               (iii) by the Optionee delivering to the Company a properly
               executed exercise notice together with irrevocable instructions
               to a broker to promptly deliver to the Company cash or a check
               payable and acceptable to the Company to pay the purchase price;
               provided that in the event the Optionee chooses to pay the
               purchase price as so provided, the Optionee and the broker shall
               comply with such procedures and enter into such agreements of
               indemnity and other agreements as the Committee shall prescribe
               as a condition of such payment procedure. The Company need not
               act upon such exercise notice until the Company receives full
               payment of the exercise price; or

               (iv) by any other means, (including, without limitation, by
               delivery of a promissory note of the Optionee, payable on such
               terms as specified by the Committee) which the Committee
               determines are consistent with the purpose of the Plan and with
               applicable laws and regulations.

          (b) The delivery of certificates representing shares of the Company's
     Common Stock to be purchased pursuant to the exercise of the Option will be
     contingent upon receipt by the Company of the full purchase price for such
     shares from the Optionee or the Optionee's legal representative, heirs or
     legatees and the fulfillment of any other requirements contained in the
     Plan or imposed by applicable law.

          5. EXERCISABILITY OF OPTION AFTER TERMINATION OF EMPLOYMENT.

          (a) During the lifetime of the Optionee, the Option may be exercised
     only while the Optionee is employed by the Company or a parent or
     subsidiary thereof, and only if the Optionee has been continuously so
     employed since the date of this Agreement, except that:

               (i) the Option shall continue to be exercisable for three months
               after termination of the Optionee's employment, unless the
               Optionee's employment was terminated for Cause, but only to the
               extent that the Option was exercisable immediately prior to the
               Optionee's termination of employment;

               (ii) in the event the Optionee's employment terminates due to
               Disability, the Optionee or his or her legal representative may
               exercise the Option within one year after the termination of the
               Optionee's employment;

               (iii) in the event the Optionee's employment terminates due to
               Normal Retirement, the Option shall continue to be exercisable
               for three months after the date of such Normal Retirement; and

               (iv) if the Optionee's employment terminates after the Committee
               notifies the Optionee pursuant to Section 6(b)(iii) of this
               Agreement that the Option shall be canceled, the Optionee may
               exercise the Option at any time permitted by Section 6(b)(iii).

          (b) In the event of the Optionee's death prior to expiration of the
     Option, the legal representative, heirs or legatees of the Optionee's
     estate or the personal who acquired the right to exercise the Option by
     bequest or inheritance may exercise the Option within five years after the
     death of the Optionee.

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          (c) Neither the transfer of the Optionee between any combination of
     the Company, its parent and any subsidiary of the Company, nor a leave of
     absence granted to the Optionee and approved by the Committee, shall be
     deemed a termination of employment. The terms "parent" and "subsidiary" as
     used herein shall have the meaning ascribed to "parent corporation" and
     "subsidiary corporation," respectively in Sections 424(e) and (f) (or
     successor provisions) of the Internal Revenue Code of 1986, as amended.

          6. ACCELERATION OF OPTION.

          (a) DEATH, DISABILITY OR RETIREMENT. If any of Sections (5)(a)(ii),
     5(a)(iii) or 5(b) of this Agreement is applicable, the Option, whether or
     not previously exercisable, shall become immediately exercisable in full if
     the Optionee shall have been employed continuously by the Company or a
     parent or subsidiary thereof between the date the Option was granted and
     the date of such Disability or Normal Retirement or, in the event of death,
     a date not more than three months prior to such death.

          (b) CHANGE OF CONTROL. In the event of a Change of Control (as defined
     in the Plan):

               (i) SUBSTITUTE OPTIONS. Subject to the provisions of clause (iii)
               below, after the effective date of such Change of Control, the
               Optionee shall be entitled, upon exercise of the Option, to
               receive, in lieu of shares of the Company's Common Stock (or
               consideration based upon the Fair Market Value of the Company's
               Common Stock), shares of such stock or other securities, cash or
               property (or consideration based upon shares of such stock or
               other securities, cash or property) as the holders of shares of
               the Company's Common Stock received in connection with the Change
               of Control.

               (ii) PARTIAL ACCELERATION. Notwithstanding any other provision of
               this Section 6, one hundred-percent (100%) of the Shares which
               are not then exercisable shall become exercisable upon the
               occurrence of a Change of Control if the Optionee is an employee
               of the Company immediately before the occurrence of the Change of
               Control and (1) the Optionee's employment with the Company is
               terminated by the Company (including any successor or parent
               resulting from the Change in Control) without Cause within six
               (6) months after the Change in Control, or (2) the Company (or
               successor) does not offer the Optionee a Comparable Position upon
               the Change in Control, or (3), if the Optionee is offered and
               accepts a Comparable Position, the Optionee is involuntarily
               removed from such position within six (6) months after the Change
               in Control. For the purpose of this Section 6(b), the term
               "Comparable Position" shall mean a position of employment with
               the Company or its successor following a Change of Control (or if
               the Company or its successor has a Parent following a Change of
               Control, its Parent) (X) with substantially the same or superior
               title, responsibilities, base salary, opportunity for incentive
               compensation, and eligibility for stock options or other equity
               incentives as the Optionee had prior to the Change of Control,
               and (Y) at a location within 50 miles of the Optionee's location
               prior to the Change of Control, without the Optionee's express
               prior written consent. For the purpose of this Section 6(b) the
               term "Cause" shall mean (A) substantial failure by or refusal of
               the Optionee to perform the Optionee's duties to the Company,
               gross neglect of such duties, or other material breach of the
               Optionee's written or oral employment agreement with the Company,
               as the case may be; (B) material misappropriation by the Optionee
               of the Company's property or trade secrets, commission of a
               felony by the Optionee or other public misconduct by the Optionee
               detrimental to the reputation of the Company or (C) material
               dishonesty or material violation of any fiduciary duty or duty of
               loyalty owed by the Optionee to the Company

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               (iii) ACCELERATION OF VESTING AND NOTICE OF CANCELLATION. The
               Committee may cancel the Option as of the effective date of any
               such Change of Control provided that (x) all Shares that have not
               yet become exercisable shall become exercisable in full
               immediately prior to such Change of Control, (y) notice of such
               cancellation shall be given to the Optionee and (z) the Optionee
               shall have the right to exercise the Option, including exercising
               Shares that became exercisable pursuant to the acceleration
               provisions o f clause (x) above.

          (c) EARLY EXERCISE FOR RESTRICTED SHARES. The Optionee may exercise
     the Option in accordance with this Section 6(c) for shares of the Company's
     Common Stock prior to the date or dates upon which such shares become
     exercisable under Section 3(a), and the exercise schedule in the Notice
     shall be deemed to have been accelerated for such purpose. The shares
     issued upon such early exercise shall be subject to the restrictions set
     forth in this subsection, and are referred to in this subsection as the
     "Restricted Shares."

               (i) REVERSE VESTING. Restricted Shares purchased under this
               Section 6(c) prior to the Option becoming exercisable shall
               "vest" according to the same schedule (i.e., on the same dates
               and in the same amounts) as such shares would have become
               purchasable upon exercise of the Option had the exercise schedule
               not been accelerated in accordance with this Section 6(c). In
               addition, Restricted Shares shall be subject to accelerated
               "vesting" as set forth in Section 6(a), Section 6(b)(ii), and
               Section 6(b)(iii) if applicable, to the same extent as the
               exercisability of such shares would have been accelerated had the
               exercise schedule not been previously accelerated in accordance
               with this Section 6(c). Restricted Shares that are not vested
               shall be subject to repurchase by the Company under Sections
               6(c)(ii) and 6(c)(iii) below. As Restricted Shares become vested
               they shall no longer be subject to repurchase by the Company.

               (ii) COMPANY REPURCHASE RIGHTS. In the event of termination of
               the Optionee's employment by the Company for any reason
               (including death, Disability, Normal Retirement and for Cause),
               the Company shall have the option to purchase all or any part of
               the Restricted Shares that were not vested prior to termination
               of the Optionee's employment (after taking into effect any
               accelerated vesting pursuant to Section 6(a), Section 6(b)(ii)
               and Section 6(b)(iii)) at a per share price equal to the purchase
               paid by the Optionee upon exercise of the Option (subject to
               equitable adjustment for any stock split, stock dividend or
               combination of the Restricted Shares).

               (iii) TERMS OF COMPANY PURCHASE. If the Company intends to
               repurchase the Restricted Shares subject to repurchase, then it
               shall, within sixty (60) days after termination of the Optionee's
               employment, mail written notice of its intent to repurchase the
               Restricted Shares and the number of Restricted Shares to be
               repurchased to the Optionee's last known address appearing in the
               personnel records of the Company. If the Company has not mailed
               notice within that period, the Restricted Shares will no longer
               be subject to repurchase by the Company. Upon receipt from the
               Optionee of the certificate for the Restricted Shares, duly
               endorsed in blank or accompanied by a duly endorsed blank stock
               power suitable for transferring the Shares to the Company, the
               Company shall send to the Optionee (or his or her heir legatee,
               representative or guardian) the purchase price for the Restricted
               Shares and a certificate for the shares which are not subject to
               repurchase or are not being repurchased by the Company. The
               purchase price for the Restricted Shares being repurchased may be
               payable by check, by cancellation of all or a portion of any
               outstanding indebtedness of the Optionee to the Company, or both.
               If the Company has not received the certificate for the
               Restricted Shares by the time the Company is prepared to pay the
               purchased price for such shares, then the Company, at its option,
               may coincident with the payment of the purchase price and/or
               cancellation of debt, make appropriate entries in the

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               records of the Company to effect the transfer of the Restricted
               Shares to the Company free and clear of any liens or
               encumbrances.

               (iv) OPTIONEE REPRESENTATIONS. By exercising the shares under
               this subsection 6(c), the Optionee represents that (i) he or she
               is acquiring the Restricted Shares for investment and not with a
               view to, or for resale in connection with, any distribution
               thereof; (ii) the Restricted Shares are "restricted securities"
               within the meaning of Rule 144 promulgated under the Securities
               Act of 1933, as amended (the "Securities Act"), and that there is
               no assurance that such Rule will apply to future resales of the
               Restricted Shares; (iii) he or she will make no sale or other
               distribution that would cause the Optionee to be deemed an
               "underwriter" within the meaning of Section 2(11) of the
               Securities Act; and (iv) he or she will make no sale, pledge,
               transfer or other disposition of the Restricted Shares received
               except in accordance with this Agreement unless a registration
               statement with respect to the Restricted Shares is then in effect
               under applicable federal and state securities laws or unless he
               or she obtains an opinion of counsel satisfactory to the Company
               that such disposition may be effected without violation of
               applicable federal or state securities laws.

               (v) CERTIFICATES; LEGENDS. The certificates representing the
               Restricted Shares will bear restrictive legends noting the
               restrictions identified in the preceding clause, the Company's
               repurchase rights and the restrictions on transfer set forth in
               Section 7 of this Agreement.

          7. LIMITATION ON TRANSFER. During the lifetime of the Optionee, only
the Optionee or his or her guardian or legal representative or transferee of a
transfer permitted by this Section may exercise the Option. The Optionee shall
not assign or transfer the Option or Restricted Shares issued upon early
exercise of the Option, except that the Optionee may transfer the Option by will
or the laws of descent and distribution. Any attempt to assign, transfer,
pledge, hypothecate or otherwise dispose of the Option or any Restricted Shares
contrary to the provisions hereof, and the levy of any attachment or similar
process upon the Option or any Restricted Shares, shall be null and void.

          8. SHAREHOLDER RIGHTS BEFORE EXERCISE. The Optionee shall have none of
the rights of a shareholder of the Company with respect to any Share subject to
the Option until the Share is actually issued to him or her upon exercise of the
Option.

          9. ADJUSTMENTS. The Committee may in its sole discretion make
appropriate adjustments in the number of Shares subject to the Option and in the
purchase price per Share to give effect to any adjustments made in the number of
outstanding Shares of the Company through a merger or consolidation (that is not
a Change in Control) or a recapitalization, stock dividend, stock split or other
relevant change, provided that fractional Shares shall be rounded to the nearest
whole share.

          10. Tax Withholding. The parties hereto recognize that the Company or
a parent or subsidiary thereof may be obligated to withhold federal and state
income taxes and social security or other taxes upon the Optionee's exercise of
the Option. The Optionee agrees that, at the time he or she exercises the
Option, if the Company or a parent or subsidiary thereof is required to withhold
such taxes, he or she will promptly pay in cash upon demand to the Company, or
the parent or subsidiary having such obligation, such amounts as shall be
necessary to satisfy such obligation; provided, however, that in lieu of all or
any part of such a cash payment, the Board may, but shall not be required to,
permit the Optionee to elect to cover all or any part of the required
withholdings, and to cover any additional withholdings up to the amount needed
to cover the Optionee's full FICA and federal, state and local income taxes with
respect to income arising from the exercise of the Option, through a reduction
of the number of Shares delivered to the Optionee.

          11. LOCK UP AGREEMENT. Optionee agrees that, upon the request of the
Company or the managing underwriter(s) in connection with a registration of
shares of the Company's Common Stock pursuant to Section 12 of the Securities
Exchange Act of 1934 (the "Exchange Act") for a period of time (not to exceed
180 days) from the effective date of the Company's registration under Section 12
of the Exchange Act, Optionee (or any transferee permitted under this Agreement)
shall not sell, make

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any short sale of, loan, grant any option for the purchase of, or otherwise
dispose of any shares of the Company's Common Stock owned or controlled by it;
provided, however, that, at the time of the request, the Optionee is an officer
or a member of the board of directors of the Company or the Optionee holds
(assuming exercise of all options and warrants, and the conversion of all
convertible securities held by the Optionee, to the extent then exercisable or
convertible) an aggregate number of shares of the Company's Common Stock (or
equivalent) equal to at least one percent (1%) of the total number of shares of
the Company's Common Stock then issued and outstanding.

          12. INTERPRETATION OF THIS AGREEMENT. All decisions and
interpretations made by the Committee with regard to any question arising
hereunder or under the Plan shall be binding and conclusive upon the Company and
the Optionee. In the event that there is any inconsistency between the
provisions of this Agreement and the Plan, the provisions of the Plan shall
govern.

          13. DISCONTINUANCE OF EMPLOYMENT. This Agreement shall not give the
Optionee a right to continued employment with the Company or any parent or
subsidiary thereof, and the Company or any such parent or subsidiary thereof
employing the Optionee may terminate his or her employment and otherwise deal
with the Optionee without regard to the effect it may have upon him or her under
this Agreement.

          14. GENERAL. The Company shall at all times during the term of this
Option reserve and keep available such number of Shares as will be sufficient to
satisfy the requirements of this Agreement. This Agreement shall be binding in
all respects on the Optionee's heirs, representatives, successors and assigns.
This Agreement is entered into under the laws of the State of Delaware, without
regard to its principles of conflict of laws, and shall be construed and
interpreted thereunder.

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                                                                    EXHIBIT 10.1

                                RSA SECURITY INC.

                              AMENDED AND RESTATED
                 1998 NON-OFFICER EMPLOYEE STOCK INCENTIVE PLAN

1.       RESTATEMENT, PURPOSE

         (a) RESTATEMENT. This Amended and Restated 1998 Non-Officer Employee
Stock Incentive Plan (the "Plan") of RSA Security Inc., a Delaware corporation
(the "Company"), amends and restates the 1998 Non-Officer Employee Stock
Incentive Plan of the Company initially approved by the Company's Board of
Directors on December 9, 1998 and subsequently amended.

         (b) PURPOSE. The purpose of the Plan is to advance the interests of the
Company's stockholders by enhancing the Company's ability to attract, retain and
motivate persons who make (or are expected to make) important contributions to
the Company by providing such persons with equity ownership opportunities and
performance-based incentives and thereby better aligning the interests of such
persons with those of the Company's stockholders. Except where the context
otherwise requires, the term "Company" shall include any of the Company's
present or future subsidiary corporations as defined in Section 424(f) of the
Internal Revenue Code of 1986, as amended, and any regulations promulgated
thereunder (the "Code").

2.       ELIGIBILITY

         All of the Company's employees (and any individuals who have accepted
an offer for employment), consultants and advisors, other than those who are
also officers (within the meaning of Section 16 of the Securities Exchange Act,
as amended (the "Exchange Act"), and the rules and regulations promulgated
thereunder) or directors of the Company, are eligible to be granted options,
restricted stock awards, or other stock-based awards (each, an "Award") under
the Plan. Each person who has been granted an Award under the Plan shall be
deemed a "Participant."

3.       ADMINISTRATION, DELEGATION

         (a) ADMINISTRATION BY BOARD OF DIRECTORS. The Plan will be administered
by the Board of Directors of the Company (the "Board"). The Board shall have
authority to grant Awards and to adopt, amend and repeal such administrative
rules, guidelines and practices relating to the Plan as it shall deem advisable.
The Board may correct any defect, supply any omission or reconcile any
inconsistency in the Plan or any Award in the manner and to the extent it shall
deem expedient to carry the Plan into effect and it shall be the sole and final
judge of such expediency. All decisions by the Board shall be made in the
Board's sole discretion and shall be final and binding on all persons having or
claiming any interest in the Plan or in any Award. No director or person acting
pursuant to the authority delegated by the Board shall be liable for any action
or determination relating to or under the Plan made in good faith.

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         (b) DELEGATION TO EXECUTIVE OFFICERS. To the extent permitted by
applicable law, the Board may delegate to one or more executive officers of the
Company the power to make Awards and exercise such other powers under the Plan
as the Board may determine, provided that the Board shall fix the maximum number
of shares subject to Awards and the maximum number of shares for any one
Participant to be made by such executive officers.

         (c) APPOINTMENT OF COMMITTEES. To the extent permitted by applicable
law, the Board may delegate any or all of its powers under the Plan to one or
more committees or subcommittees of the Board (a "Committee"). All references in
the Plan to the "Board" shall mean the Board or a Committee of the Board or the
executive officer referred to in Section 3(b) to the extent that the Board's
powers or authority under the Plan have been delegated to such Committee or
executive officer.

4.       STOCK AVAILABLE FOR AWARDS

         Subject to adjustment under Section 8, Awards may be made under the
Plan for up to 4,760,959 shares of common stock, $.01 par value per share, of
the Company (the "Common Stock"). If any Award expires or is terminated,
surrendered or canceled without having been fully exercised or is forfeited in
whole or in part or results in any Common Stock not being issued, the unused
Common Stock covered by such Award shall again be available for the grant of
Awards under the Plan. Shares issued under the Plan may consist in whole or in
part of authorized but unissued shares or treasury shares.

5.       NONSTATUTORY STOCK OPTIONS

         (a) GENERAL. The Board may grant nonstatutory stock options to purchase
Common Stock (each, an "Option") and determine the number of shares of Common
Stock to be covered by each Option, the exercise price of each Option and the
conditions and limitations applicable to the exercise of each Option, including
conditions relating to applicable federal or state securities laws, as it
considers necessary or advisable. No Option granted under the Plan shall be
intended to be an "incentive stock option" as defined in Section 422 of the
Code.

         (b) EXERCISE PRICE. The Board shall establish the exercise price at the
time each Option is granted and specify it in the applicable option agreement.

         (c) DURATION OF OPTIONS. Each Option shall be exercisable at such times
and subject to such terms and conditions as the Board may specify in the
applicable option agreement; provided that Options may not be granted for a term
in excess of ten years.

         (d) EXERCISE OF OPTION. Options may be exercised by delivery to the
Company of a written notice of exercise signed by the proper person or by any
other form of notice (including electronic notice) approved by the Board
together with payment in full as specified in Section 5(e) for the number of
shares for which the Option is exercised.

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         (e) PAYMENT UPON EXERCISE. Common Stock purchased upon the exercise of
an Option granted under the Plan shall be paid for as follows:

                  (1) in cash or by check, payable to the order of the Company;

                  (2) except as the Board may, in its sole discretion, otherwise
provide in an option agreement, by (i) delivery of an irrevocable and
unconditional undertaking by a creditworthy broker to deliver promptly to the
Company sufficient funds to pay the exercise price or (ii) delivery by the
Participant to the Company of a copy of irrevocable and unconditional
instructions to a creditworthy broker to deliver promptly to the Company cash or
a check sufficient to pay the exercise price;

                  (3) to the extent permitted by the Board, in its sole
discretion, by delivery of shares of Common Stock owned by the Participant
valued at their fair market value as determined by (or in a manner approved by)
the Board in good faith ("Fair Market Value"), provided (i) such method of
payment is then permitted under applicable law and (ii) such Common Stock was
owned by the Participant at least six months prior to such delivery;

                  (4) to the extent permitted by the Board, in its sole
discretion, by (i) delivery of a promissory note of the Participant to the
Company on terms determined by the Board, or (ii) payment of such other lawful
consideration as the Board may determine; or

                  (5) by any combination of the above-permitted forms of
payment.

         (f) DEFERRAL. Any Participant who is a participant in a deferred
compensation plan established by the Company may elect with the permission of
the Board and in accordance with rules established by the Board to defer the
receipt of any shares of Common Stock issuable upon the exercise of an Option
provided that such election is irrevocable and made at least that number of days
prior to the exercise of the Option which shall be determined by the Board. The
Participant's account under such deferred compensation plan shall be credited
with a number of stock units equal to the number of shares so deferred.

6.       RESTRICTED STOCK

         (a) GRANTS. The Board may grant Awards entitling recipients to acquire
shares of Common Stock, subject to the right of the Company to repurchase all or
part of such shares at their issue price or other stated or formula price (or to
require forfeiture of such shares if issued at no cost) from the recipient in
the event that conditions specified by the Board in the applicable Award are not
satisfied prior to the end of the applicable restriction period or periods
established by the Board for such Award (each, a "Restricted Stock Award").

         (b) TERMS AND CONDITIONS. The Board shall determine the terms and
conditions of any such Restricted Stock Award, including the conditions for
repurchase (or forfeiture) and the issue price, if any. Any stock certificates
issued in respect of a Restricted Stock Award shall be registered in the name of
the Participant and, unless otherwise determined by the Board,

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deposited by the Participant, together with a stock power endorsed in blank,
with the Company (or its designee). At the expiration of the applicable
restriction periods, the Company (or such designee) shall deliver the
certificates no longer subject to such restrictions to the Participant or if the
Participant has died, to the beneficiary designated, in a manner determined by
the Board, by a Participant to receive amounts due or exercise rights of the
Participant in the event of the Participant's death (the "Designated
Beneficiary"). In the absence of an effective designation by a Participant,
Designated Beneficiary shall mean the Participant's estate.

7.       OTHER STOCK-BASED AWARDS

         The Board shall have the right to grant other Awards based upon the
Common Stock having such terms and conditions as the Board may determine,
including the grant of shares based upon certain conditions, the grant of
securities convertible into Common Stock and the grant of stock appreciation
rights.

8.       ADJUSTMENTS FOR CHANGES IN COMMON STOCK AND CERTAIN OTHER EVENTS

         (a) CHANGES IN CAPITALIZATION. In the event of any stock split, reverse
stock split, stock dividend, recapitalization, combination of shares,
reclassification of shares, spin-off or other similar change in capitalization
or event, or any distribution to holders of Common Stock other than a normal
cash dividend, (i) the number and class of securities available under this Plan,
(ii) the number and class of securities and exercise price per share subject to
each outstanding Option, (iii) the repurchase price per share subject to each
outstanding Restricted Stock Award, and (iv) the terms of each other outstanding
Award shall be appropriately adjusted by the Company (or substituted Awards may
be made, if applicable) to the extent the Board shall determine, in good faith,
that such an adjustment (or substitution) is necessary and appropriate. If this
Section 8(a) applies and Section 8(c) also applies to any event, Section 8(c)
shall be applicable to such event, and this Section 8(a) shall not be
applicable.

         (b) LIQUIDATION OR DISSOLUTION. In the event of a proposed liquidation
or dissolution of the Company, the Board shall upon written notice to the
Participants provide that all then-unexercised Options will (i) become
exercisable in full as of a specified time at least ten business days prior to
the effective date of such liquidation or dissolution and (ii) terminate
effective upon such liquidation or dissolution, except to the extent exercised
before such effective date. The Board may specify the effect of a liquidation or
dissolution on any Restricted Stock Award or other Award granted under the Plan
at the time of the grant of such Award.

         (c)      ACQUISITION EVENTS

                  (1) DEFINITION. An "Acquisition Event" shall mean: (a) any
merger or consolidation of the Company with or into another entity as a result
of which the Common Stock is converted into or exchanged for the right to
receive cash, securities or other property or (b) any exchange of shares of the
Company for cash, securities or other property pursuant to a statutory share
exchange transaction.

                                       4
<PAGE>   5

                  (2) CONSEQUENCES OF AN ACQUISITION EVENT ON OPTIONS. Upon the
occurrence of an Acquisition Event, or the execution by the Company of any
agreement with respect to an Acquisition Event, the Board may take any one or
more of the following actions:

                  (i)      provide that outstanding Options shall be assumed, or
                           equivalent options shall be substituted, by the
                           acquiring or succeeding corporation (or an affiliate
                           thereof);

                  (ii)     upon written notice to the Participants, provide that
                           all then unexercised Options will become exercisable
                           in full as of a specified time prior to the
                           Acquisition Event and will terminate immediately
                           prior to the consummation of such Acquisition Event,
                           except to the extent exercised by the Participants
                           before the consummation of such Acquisition Event;

                  (iii)    in the event of an Acquisition Event under the terms
                           of which holders of Common Stock will receive upon
                           consummation thereof a cash payment for each share of
                           Common Stock surrendered pursuant to such Acquisition
                           Event (the "Acquisition Price"), provide that all
                           outstanding Options shall terminate upon consummation
                           of such Acquisition Event and each Participant shall
                           receive, in exchange therefor, a cash payment equal
                           to the amount (if any) by which (A) the Acquisition
                           Price multiplied by the number of shares of Common
                           Stock subject to such outstanding Options (to the
                           extent then exercisable), exceeds (B) the aggregate
                           exercise price of such Options; and

                  (iv)     provide that all or any outstanding Options shall
                           become exercisable in full immediately prior to such
                           event.

                  (3) CONSEQUENCES OF AN ACQUISITION EVENT ON RESTRICTED STOCK
AWARDS. Upon the occurrence of an Acquisition Event, the repurchase and other
rights of the Company under each outstanding Restricted Stock Award shall inure
to the benefit of the Company's successor and shall apply to the cash,
securities or other property which the Common Stock was converted into or
exchanged for pursuant to such Acquisition Event in the same manner and to the
same extent as they applied to the Common Stock subject to such Restricted Stock
Award.

                  (4) CONSEQUENCES OF AN ACQUISITION EVENT ON OTHER AWARDS.
The Board shall specify the effect of an Acquisition Event on any other Award
granted under the Plan at the time of the grant of such Award.

9.       GENERAL PROVISIONS APPLICABLE TO AWARDS

         (a) TRANSFERABILITY OF AWARDS. Except as the Board may otherwise
determine or provide in an Award, Awards shall not be sold, assigned,
transferred, pledged or otherwise encumbered by the person to whom they are
granted, either voluntarily or by operation of law, except by will or the laws
of descent and distribution, and, during the life of the Participant, shall

                                       5
<PAGE>   6

be exercisable only by the Participant. References to a Participant, to the
extent relevant in the context, shall include references to authorized
transferees.

         (b) DOCUMENTATION. Each Award shall be evidenced by a written
instrument in such form as the Board shall determine. Each Award may contain
terms and conditions in addition to those set forth in the Plan.

         (c) BOARD DISCRETION.  Except as otherwise provided by the Plan,
each Award may be made alone or in addition or in relation to any other Award.
The terms of each Award need not be identical, and the Board need not treat
Participants uniformly.

         (d) TERMINATION OF STATUS. The Board shall determine the effect on an
Award of the disability, death, retirement, authorized leave of absence or other
change in the employment or other status of a Participant and the extent to
which, and the period during which, the Participant, the Participant's legal
representative, conservator, guardian or Designated Beneficiary may exercise
rights under the Award.

         (e) WITHHOLDING. Each Participant shall pay to the Company, or make
provision satisfactory to the Board for payment of, any taxes required by law to
be withheld in connection with Awards to such Participant no later than the date
of the event creating the tax liability. Except as the Board may otherwise
provide in an Award, when the Common Stock is registered under the Exchange Act,
Participants may, to the extent then permitted under applicable law, satisfy
such tax obligations in whole or in part by delivery of shares of Common Stock,
including shares retained from the Award creating the tax obligation, valued at
their Fair Market Value. The Company may, to the extent permitted by law, deduct
any such tax obligations from any payment of any kind otherwise due to a
Participant.

         (f) AMENDMENT OF AWARD. The Board may amend, modify or terminate any
outstanding Award, including but not limited to, substituting therefor another
Award of the same or a different type and changing the date of exercise or
realization, provided that the Participant's consent to such action shall be
required unless the Board determines that the action, taking into account any
related action, would not materially and adversely affect the Participant.
Without intending to limit the generality of the preceding sentence, the Board
may, without amending the Plan, modify Awards granted to Participants who are
foreign nationals or employed outside the United States to reorganize
differences in laws, rules, regulations or customers of such foreign
jurisdiction with respect to tax, securities, currency, employee benefits or
other matters.

         (g) CONDITIONS ON DELIVERY OF STOCK. The Company will not be obligated
to deliver any shares of Common Stock pursuant to the Plan or to remove
restrictions from shares previously delivered under the Plan until (i) all
conditions of the Award have been met or removed to the satisfaction of the
Company, (ii) in the opinion of the Company's counsel, all other legal matters
in connection with the issuance and delivery of such shares have been satisfied,
including any applicable securities laws and any applicable stock exchange or
stock market rules and regulations, and (iii) the Participant has executed and
delivered to the Company

                                       6
<PAGE>   7

such representations or agreements as the Company may consider appropriate to
satisfy the requirements of any applicable laws, rules or regulations.

         (h) ACCELERATION. The Board may at any time provide that any Options
shall become immediately exercisable in full or in part, that any Restricted
Stock Awards shall be free of restrictions in full or in part or that any other
Awards may become exercisable in full or in part or free of some or all
restrictions or conditions, or otherwise realizable in full or in part, as the
case may be.

10.      MISCELLANEOUS

         (a) NO RIGHT TO EMPLOYMENT OR OTHER STATUS. No person shall have any
claim or right to be granted an Award, and the grant of an Award shall not be
construed as giving a Participant the right to continued employment or any other
relationship with the Company. The Company expressly reserves the right at any
time to dismiss or otherwise terminate its relationship with a Participant free
from any liability or claim under the Plan, except as expressly provided in the
applicable Award.

         (b) NO RIGHTS AS STOCKHOLDER. Subject to the provisions of the
applicable Award, no Participant or Designated Beneficiary shall have any rights
as a stockholder with respect to any shares of Common Stock to be distributed
with respect to an Award until becoming the record holder of such shares.
Notwithstanding the foregoing, in the event the Company effects a split of the
Common Stock by means of a stock dividend and the exercise price of and the
number of shares subject to such Option are adjusted as of the date of the
distribution of the dividend (rather than as of the record date for such
dividend), then an optionee who exercises an Option between the record date and
the distribution date for such stock dividend shall be entitled to receive, on
the distribution date, the stock dividend with respect to the shares of Common
Stock acquired upon such Option exercise, notwithstanding the fact that such
shares were not outstanding as of the close of business on the record date for
such stock dividend.

         (c) EFFECTIVE DATE AND TERM OF PLAN. The Plan is effective as of
December 9, 1998, the date on which it was adopted by the Board (the "Effective
Date"). No Awards shall be granted under the Plan after the completion of ten
years from the Effective Date, but Awards previously granted may extend beyond
that date.

         (d) AMENDMENT OF PLAN. The Board may amend, suspend or terminate the
Plan or any portion thereof at any time.

         (e) GOVERNING LAW. The provisions of the Plan and all Awards made
hereunder shall be governed by and interpreted in accordance with the laws of
the State of Delaware, without regard to any applicable conflicts of law.

                                         Adopted by the Board of Directors on
                                         December 9, 1998

                                       7
<PAGE>   8

                                         Amended and restated by the Board of
                                         Directors on February 8, 2000

                                       8
<PAGE>   9

                                RSA SECURITY INC.

                                 AMENDMENT NO. 1
                                       TO
                              AMENDED AND RESTATED
                 1998 NON-OFFICER EMPLOYEE STOCK INCENTIVE PLAN

         The RSA Security Inc. Amended and Restated 1998 Non-Officer Employee
Stock Incentive Plan (the "Plan") is hereby amended as set forth below:

           1.    Section 4 of the Plan is hereby amended by deleting the first
                 sentence thereof and substituting the following therefor:

                 "Subject to adjustment under Section 8, Awards may be
                 made under the Plan for up to 5,064,731 shares of
                 common stock, $.01 par value per share, of the
                 Company (the "Common Stock")."

           2.    In all other respects, the Plan shall remain in full force
                 and effect.

                                           Adopted by the Board of Directors on
                                           April 12, 2000

<PAGE>   10

                                RSA SECURITY INC.

                                 AMENDMENT NO. 2
                                       TO
                              AMENDED AND RESTATED
                 1998 NON-OFFICER EMPLOYEE STOCK INCENTIVE PLAN

         The RSA Security Inc. Amended and Restated 1998 Non-Officer Employee
Stock Incentive Plan, as amended (the "Plan"), is hereby amended as set forth
below:

           1.    Section 4 of the Plan is hereby amended by deleting the first
                 sentence thereof and substituting the following therefor:

                 "Subject to adjustment under Section 8, Awards may be
                 made under the Plan for up to 6,921,581 shares of
                 common stock, $.01 par value per share, of the
                 Company (the "Common Stock")."

           2.    In all other respects, the Plan shall remain in full force
                 and effect.

                                           Adopted by the Board of Directors on
                                           May 17, 2000

<PAGE>   11

                                RSA SECURITY INC.

                                 AMENDMENT NO. 3
                                       TO
                              AMENDED AND RESTATED
                 1998 NON-OFFICER EMPLOYEE STOCK INCENTIVE PLAN

         The RSA Security Inc. Amended and Restated 1998 Non-Officer Employee
Stock Incentive Plan, as amended (the "Plan"), is hereby amended as set forth
below:

           1.    Section 4 of the Plan is hereby amended by deleting the first
                 sentence thereof and substituting the following therefor:

                 "Subject to adjustment under Section 8, Awards may be
                 made under the Plan for up to 8,021,581 shares of
                 common stock, $.01 par value per share, of the
                 Company (the "Common Stock")."

           2.    In all other respects, the Plan shall remain in full force
                 and effect.

                                           Adopted by the Board of Directors on
                                           July 12, 2000

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