Document:

STOCK PURCHASE AGREEMENT

THIS STOCK PURCHASE AGREEMENT is dated effective as of September 11, 2002
between Citadel Security Software Inc., a Delaware corporation ("Company"), and
each of Lawrence E. Steinberg, Michael A. Hershman and Ari Reubin (the
"Purchasers" and individually a "Purchaser"). Except as otherwise indicated
herein, capitalized terms used herein are defined in Section 5 of this
Agreement.

WHEREAS, the Company desires to issue and sell the Shares (as defined in Section
1.1 below) to the Purchaser upon acceptance by the Company of Purchaser's
subscription, and the Purchaser desires to purchase the Shares from the Company,
on the terms and conditions set forth herein.

NOW, THEREFORE, in consideration of good and valuable consideration, the receipt
and adequacy of which are acknowledged, the parties agree as follows:

                     ARTICLE I -- AUTHORIZATION AND CLOSING

1.1     AUTHORIZATION. The Company authorizes the issuance and sale to Lawrence
E. Steinberg of 186,000 shares of its Common Stock, par value $.01 per share
(the "Shares"), Michael A. Hershman of 10,000 Shares, and Ari Reubin of 4,000
Shares, upon Company's satisfaction that the Purchasers may purchase the Shares
in compliance with applicable laws.

1.2     PURCHASE AND SALE OF THE SHARES. At the Closing (as defined in Section
1.3 below), the Company shall sell to the Purchasers and, subject to the terms
and conditions set forth herein, Purchasers shall purchase from the Company, the
Shares at a price of one cent ($0.01) per share for an aggregate purchase price
of Two Thousand Dollars ($2,000) (the "Purchase Price").

1.3     THE CLOSING.  The closing of the purchase and sale of the Shares to be
purchased pursuant to Section 1.2 (the "Closing") shall take place at the
offices of the Company, at 8750 North Central Expressway, Suite 100, Dallas,
Texas 75231 at 12:00 p.m. on or before September 13, 2002, or at such other
place or on such other date as may be mutually agreeable to the Company and
Purchasers.  Payment of the purchase price shall be by check, cashier's or
certified check, or wire transfer of immediately available funds to the account
designated by the Company in the amount of the Purchase Price. At or within 10
days of payment of the purchase price to the Company, the Company shall instruct
its transfer agent to deliver to Purchasers stock certificates evidencing the
Shares to be purchased by Purchasers, registered in Purchasers' names.

             ARTICLE II -- CONDITIONS OF OBLIGATIONS AT THE CLOSING

The obligations of Purchasers to purchase and pay for the Shares and of the
Company to issue and deliver the Shares at Closing is subject to the
satisfaction as of the Closing of the following conditions:

2.1     REPRESENTATIONS AND WARRANTIES.  The representations and warranties
contained in Section 4 shall be true and correct at and as of the Closing as
though then made.

2.2     COMPLIANCE WITH APPLICABLE LAWS.  The purchase of the Shares by
Purchasers hereunder shall not be prohibited by any applicable law or
governmental regulation, shall not subject Purchasers to any penalty, liability
or, in Purchasers' sole judgment, other onerous conditions under or pursuant to
any applicable law or governmental regulation, and shall be permitted by laws
and regulations of the jurisdictions to which Purchasers are subject.

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2.3     WAIVER. Any condition specified in this Section 2 may be waived only if
such waiver is set forth in writing.

    ARTICLE III -- TRANSFER OF RESTRICTED SECURITIES AND REGISTRATION RIGHTS

3.1  TRANSFER OF RESTRICTED SECURITIES. Restricted Securities are transferable
only pursuant to (i) public offerings registered under the Securities Act, (ii)
Rule 144 or Rule 144A of the Securities and Exchange Commission (or any similar
rule or rules then in force) if such rule or rules are available and (iii)
subject to the conditions specified below, any other legally available means of
transfer. In connection with the transfer of any Restricted Securities (other
than a transfer described above), the holder thereof shall deliver written
notice to the Company describing in reasonable detail the transfer or proposed
transfer, together with an opinion of counsel which (to the Company's reasonable
satisfaction) is knowledgeable in securities law matters to the effect that such
transfer of Restricted Securities may be effected without registration of such
Restricted Securities under the Securities Act. In addition, if the holder of
the Restricted Securities delivers to the Company an opinion of such counsel
that no subsequent transfer of such Restricted Securities shall require
registration under the Securities Act, the Company shall promptly upon such
contemplated transfer deliver new certificates for such Restricted Securities
which do not bear the Securities Act legend set forth in Section 6.3. If the
Company is not required to deliver new certificates for such Restricted
Securities not bearing such legend, the holder thereof shall not transfer the
same until the prospective transferee has confirmed to the Company in writing
its agreement to be bound by the conditions contained in this paragraph and
Section 6.3.

3.2  REGISTRATION RIGHTS.  If any of the Shares purchased under this Agreement
by the Purchasers are outstanding and held by a Purchaser, the Company shall use
its best efforts to include the Shares in any registration statement filed by
the Company with the Securities and Exchange Commission (other than a
registration statement on Form S-8 or Form S-4) to the extent requisite to
permit the public offering and sale of the Shares and will use their respective
best efforts to cause such registration statement to become effective as
promptly as practicable. Notwithstanding the foregoing, the Company or the
managing underwriter, if any, of such offering may elect to exclude all or a
portion of the Shares if the offering of such Shares would adversely affect the
market for the Company's securities or the Company's business plans.  As used
herein, the "Shares" shall mean the Shares that have not been previously sold or
that may not be resold pursuant to Rule 144 promulgated under the Act or other
available exemption.  Notwithstanding the foregoing, the Company shall not in
any event be required to keep any such registration or qualification in effect
for a period in excess of two years from the date on which the Purchaser is
first free to sell such Shares.

In  connection  with  registration  of  securities,  the  Company shall bear all
expenses  incurred  in  connection with such registration statement, except that
the  Purchaser  shall  pay  the  following  expenses with respect to its Shares:
broker/dealer  commissions,  underwriting  discounts,  fees and disbursements of
counsel of such Purchaser, and any stock transfer taxes incurred with respect of
the  Shares  of  such  Purchaser.

                  ARTICLE IV -- REPRESENTATIONS AND WARRANTIES

4.1     PURCHASERS' REPRESENTATIONS - ACCREDITED INVESTOR STATUS.  Each
Purchaser, severally and not jointly,  hereby represents and warrants to the
Company that the Purchaser is an Accredited Investor as defined in Regulation D
under the Securities Act by virtue of having a net worth in excess of one
million dollars, that it has sufficient knowledge and experience in business and
finance matters to be capable of evaluating the merits and risks of an
investment in the Common Stock of the Company, that it is acquiring the Shares
for its own account with the present intention of holding such securities for
purposes of investment, and that it has no intention of selling such securities
in a public distribution in

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violation of the federal securities laws or any applicable state securities
laws. Each Purchaser either (i) had individual income (not including spouse's
income, if any) during each of the previous two calendar years in excess of or
$200,000, or joint income with such Purchaser's spouse's income for such years
in excess of $300,000, and Purchaser expects to meet such income levels in the
current calendar year, or (ii) Purchaser's net worth (or joint net worth with
Purchaser's spouse) is in excess of $1,000,000. Each Purchaser represents that
Purchaser could afford to hold the Shares for an indefinite period and could
afford a complete loss. Purchaser has read and understands the risk factors
contained in the Company's filings with the Securities and Exchange Commission.
Each Purchaser has had the opportunity to ask questions and obtain information
from the Company's management regarding the business and financial condition of
the Company and all such questions have been answered and requested information
provided to the Purchaser's full satisfaction.

4.2     COMPANY'S REPRESENTATIONS.  The Company hereby represents and warrants
to each Purchaser that:

A.     ORGANIZATION AND CORPORATE POWER. The Company is a corporation duly
organized, validly existing and in good standing under the laws of Delaware and
is qualified to do business in every jurisdiction in which the failure to so
qualify might reasonably be expected to have a material adverse effect on the
financial condition, operating results, assets, operations or business prospects
of the Company. The Company has all requisite corporate power and authority and
all material licenses, permits and authorizations necessary to own and operate
its properties, to carry on its businesses as now conducted and presently
proposed to be conducted and to carry out the transactions contemplated by this
Agreement.

B.   CAPITAL STOCK AND RELATED MATTERS.

     (1)     As of the Closing and immediately thereafter, the authorized
capital stock of the Company shall consist of 50,000,000 shares of Common Stock,
and 1,000,000 shares of preferred stock. As of the Closing, the Shares shall be
validly issued, fully paid and nonassessable.

     (2)     There are no statutory or, to the best of the Company's knowledge,
contractual stockholders preemptive rights or rights of refusal with respect to
the issuance of the Shares hereunder.

C.     AUTHORIZATION; NO BREACH. The execution, delivery and performance of this
Agreement and all other agreements contemplated hereby to which the Company is a
party have been duly authorized by the Company. This Agreement and all other
agreements contemplated hereby each constitutes a valid and binding obligation
of the Company, enforceable in accordance with its terms. The execution and
delivery by the Company of this Agreement and all other agreements contemplated
hereby to which the Company is a party, the offering, sale and issuance of the
Shares hereunder and the fulfillment of and compliance with the respective terms
hereof and thereof by the Company do not and will not (i) conflict with or
result in a breach of the terms, conditions or provisions of, (ii) constitute a
default under, (iii) result in the creation of any lien, security interest,
charge or encumbrance upon the Company's capital stock or assets pursuant to,
(iv) give any third party the right to modify, terminate or accelerate any
obligation under, (v) result in a violation of, or (vi) require any
authorization, consent, approval, exemption or other action by or notice to any
court or administrative or governmental body pursuant to, the Certificate of
Incorporation or bylaws of the Company, or any law, statute, rule or regulation
to which the Company is subject, or any agreement, instrument, order, judgment
or decree to which the Company is a party or by which it is bound.

D.     CLOSING DATE.  The representations and warranties of the Company
contained in this Section 4 shall be true and correct in all material respects
on the date of the Closing as though then made, except as affected by the
transactions expressly contemplated by this Agreement.

                            ARTICLE V -- DEFINITIONS

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For the purposes of this Agreement, the following terms have the meanings set
forth below:

"COMMON STOCK" means the Company's common stock, par value $.01 per share.

"PERSON" means an individual, a partnership, a limited liability company, a
corporation, an association, a joint stock company, a trust, a joint venture, an
unincorporated organization and a governmental entity or any department, agency
or political subdivision thereof.

"RESTRICTED SECURITIES" means (i) the Shares issued hereunder, and (ii) any
securities issued with respect to the securities referred to in clause (i) above
by way of a stock dividend or stock split or in connection with a combination of
shares, recapitalization, merger, consolidation or other reorganization. As to
any particular Restricted Securities, such securities shall cease to be
Restricted Securities when they have (A) been effectively registered under the
Securities Act and disposed of in accordance with the registration statement
covering them, (B) become eligible for sale pursuant to Rule 144 (or any similar
provision then in force) under the Securities Act or (C) been otherwise
transferred and new certificates for them not bearing the Securities Act legend
set forth in Section 6.3 have been delivered by the Company in accordance with
Section 3.1(b). Whenever any particular securities cease to be Restricted
Securities, the holder thereof shall be entitled to receive from the Company,
without expense, new securities of like tenor not bearing a Securities Act
legend of the character set forth in Section 6.3.

"SECURITIES ACT" means the Securities Act of 1933, as amended, or any similar
federal law then in force.

"SECURITIES EXCHANGE ACT" means the Securities Exchange Act of 1934, as amended,
or any similar federal law then in force.

"COMMISSION" means the Securities and Exchange Commission and includes any
governmental body or agency succeeding to the functions thereof.

                           ARTICLE VI -- MISCELLANEOUS

6.1     EXPENSES. Each party agrees to bear its own expenses associated with the
transactions contemplated hereby.

6.2     REMEDIES.  Each Purchaser shall have all rights and remedies set forth
in this Agreement and all of the rights which such holders have under any law.

6.3     LEGEND.  Each certificate for Restricted Securities shall be imprinted
with a legend in substantially the following form:

     "The securities represented by this certificate have not been registered
     under the Securities Act of 1933, as amended. The transfer of the
     securities represented by this certificate is subject to the conditions
     specified in the Stock Purchase Agreement between the issuer (the
     "Company") and a certain investor, and the Company reserves the right to
     refuse the transfer of such securities until such conditions have been
     fulfilled with respect to such transfer. A copy of such conditions shall be
     furnished by the Company to the holder hereof upon written request and
     without charge."

6.4     CONSENT TO AMENDMENTS. Except as otherwise expressly provided herein,
the provisions of this Agreement may be amended and the Company may take any
action herein prohibited, or omit to perform any act herein required to be
performed by it, only if the Company has obtained the written consent

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of the Purchasers holding a majority of the Shares purchased hereunder. No other
course of dealing between the Company and the holder of any Shares or any delay
in exercising any rights hereunder or under the Certificate of Incorporation of
the Company shall operate as a waiver of any rights of any such holders.

6.5     SURVIVAL OF REPRESENTATION AND WARRANTIES. All representations and
warranties contained herein or made in writing by any party in connection
herewith shall survive the execution and delivery of this Agreement and the
consummation of the transactions contemplated hereby, regardless of any
investigation made by Purchasers or on their behalf.

6.6     SUCCESSORS AND ASSIGNS. Except as otherwise expressly provided herein,
all covenants and agreements contained in this Agreement by or on behalf of any
of the parties hereto shall bind and inure to the benefit of the respective
successors and assigns of the parties hereto whether so expressed or not. In
addition, and whether or not any express assignment has been made, the
provisions of this Agreement which are for Purchasers' benefit as purchasers or
holders of Shares are also for the benefit of, and enforceable by, any
subsequent holder of such Shares.

6.7     GENERALLY ACCEPTED ACCOUNTING PRINCIPLES.  Where any accounting
determination or calculation is required to be made under this Agreement, such
determination or calculation (unless otherwise provided) shall be made in
accordance with generally accepted accounting principles, consistently applied,
except that if because of a change in generally accepted accounting principles
the Company would have to alter a previously utilized accounting method or
policy in order to remain in compliance with generally accepted accounting
principles, such determination or calculation shall continue to be made in
accordance with the Company's previous accounting methods and policies.

6.8     SEVERABILITY.  Whenever possible, each provision of this Agreement shall
be interpreted in such manner as to be effective and valid under applicable law,
but if any provision of this Agreement is held to be prohibited by or invalid
under applicable law, such provision shall be ineffective only to the extent of
such prohibition or invalidity, without invalidating the remainder of this
Agreement.

6.9     COUNTERPARTS. This Agreement may be executed simultaneously in two or
more counterparts, any one of which need not contain the signatures of more than
one party, but all such counterparts taken together shall constitute one and the
same Agreement.

6.10     DESCRIPTIVE HEADINGS; INTERPRETATION. The descriptive headings of this
Agreement are inserted for convenience only and do not constitute a Section of
this Agreement. The use of the word "including" in this Agreement shall be by
way of example rather than by limitation.

6.11     GOVERNING LAW. The corporate law of Delaware shall govern all issues
concerning the relative rights of the Company and its stockholders.  All other
questions concerning the construction, validity and interpretation of this
Agreement and the exhibits and schedules hereto shall he governed by and
construed in accordance with the internal laws of the State of Texas, without
giving effect to any choice of law or conflict of law provision or rule (whether
of the State of Texas or any other jurisdiction) that would cause the
application of the laws of any jurisdiction other than the State of Texas.

6.12     NOTICES.  All notices, demands or other communications to be given or
delivered under or by reason of the provisions of this Agreement shall be in
writing and shall be deemed to have been given when delivered personally to the
recipient, sent to the recipient by reputable express courier service (charges
prepaid), 48 hours after being deposited to the recipient by United States mail,
first class, postage prepaid, or sent by facsimile. Such notices, demands and
other communications shall be sent to Purchaser and to the Company at the
address indicated below:

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IF TO THE COMPANY:

Citadel Security Software Inc.
8750 North Central Exwy., Suite 100
Dallas,  TX  75231
Attention:  Steven  B. Solomon
Fax  No.:  (214)  520-0034

IF TO PURCHASER:

At the address set forth on the signature page or to such other address or to
the attention of such other person as the recipient party has specified by prior
written notice to the sending party.

6.13.     ARBITRATION. THE PARTIES AGREE TO SUBMIT TO ARBITRATION, IN ACCORDANCE
WITH THESE PROVISIONS, ANY DISPUTED CLAIM OR CONTROVERSY ARISING FROM OR RELATED
TO THE ALLEGED BREACH OF THIS AGREEMENT. THE PARTIES FURTHER AGREE THAT THE
ARBITRATION PROCESS AGREED UPON HEREIN SHALL BE THE EXCLUSIVE MEANS FOR
RESOLVING ALL DISPUTES MADE SUBJECT TO ARBITRATION HEREIN, BUT THAT NO
ARBITRATOR SHALL HAVE AUTHORITY TO EXPAND THE SCOPE OF THESE ARBITRATION
PROVISIONS.  ANY ARBITRATION SHALL BE CONDUCTED UNDER THE PROCEDURES OF THE
AMERICAN ARBITRATION ASSOCIATION (AAA). EITHER PARTY MAY INVOKE ARBITRATION
PROCEDURES BY WRITTEN NOTICE FOR ARBITRATION CONTAINING A STATEMENT OF THE
MATTER TO BE ARBITRATED. THE PARTIES SHALL THEN HAVE FOURTEEN (14) DAYS IN WHICH
THEY MAY IDENTIFY A MUTUALLY AGREEABLE, NEUTRAL ARBITRATOR.  AFTER THE FOURTEEN
(14) DAY PERIOD HAS EXPIRED, THE PARTIES SHALL PREPARE AND SUBMIT TO THE AAA A
JOINT SUBMISSION, WITH EACH PARTY TO CONTRIBUTE HALF OF THE APPROPRIATE
ADMINISTRATIVE FEE. IN THE EVENT THE PARTIES CANNOT AGREE UPON A NEUTRAL
ARBITRATOR WITHIN FOURTEEN (14) DAYS AFTER WRITTEN NOTICE FOR ARBITRATION IS
RECEIVED, THEIR JOINT SUBMISSION TO THE AAA SHALL REQUEST A PANEL OF THREE
ARBITRATORS WHO ARE PRACTICING ATTORNEYS WITH PROFESSIONAL EXPERIENCE IN THE
FIELD OF CORPORATE LAW, AND THE PARTIES SHALL ATTEMPT TO SELECT AN ARBITRATOR
FROM THE PANEL ACCORDING TO AAA PROCEDURES. UNLESS OTHERWISE AGREED BY THE
PARTIES, THE ARBITRATION HEARING SHALL TAKE PLACE IN DALLAS, TEXAS, AT A PLACE
DESIGNATED BY THE AAA.  ALL ARBITRATION PROCEDURES HEREUNDER SHALL BE
CONFIDENTIAL.  EACH PARTY SHALL BE RESPONSIBLE FOR ITS COSTS INCURRED IN ANY
ARBITRATION, AND THE ARBITRATOR SHALL NOT HAVE AUTHORITY TO INCLUDE ALL OR ANY
PORTION OF SAID COSTS IN AN AWARD, REGARDLESS OF WHICH PARTY PREVAILS. THE
ARBITRATOR MAY INCLUDE EQUITABLE RELIEF. ANY ARBITRATION AWARDED SHALL BE
ACCOMPANIED BY A WRITTEN STATEMENT CONTAINING A SUMMARY OF THE ISSUES IN
CONTROVERSY, A DESCRIPTION OF THE AWARD, AND AN EXPLANATION OF THE REASONS FOR
THE AWARD.

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IN WITNESS WHEREOF, the parties hereto have executed this Agreement on the date
first written above.

Citadel Security Software Inc.

By:  /s/ Steven B. Solomon
     Steven B. Solomon,
     Chief Executive Officer

PURCHASERS

/s/ Lawrence E. Steinberg
Lawrence E. Steinberg
5430 LBJ Freeway, Suite 1575
Dallas, Texas 75240

/s/ Michael A. Hershman
Michael A. Hershman
5430 LBJ Freeway, Suite 1575
Dallas, Texas 75240

/s/ Ari Reubin
Ari Reubin
5430 LBJ Freeway, Suite 1575
Dallas, Texas 75240

                                        7
<PAGE>PROMISSORY NOTE

$250,000.00                                                    December 9, 2002

FOR VALUE RECEIVED, the undersigned, Citadel Security Software Inc., a Delaware
corporation ("Citadel"), promises to pay to the order of Ken Schnitzer
("Payee"), at such place as Payee may designate in writing, in lawful money of
the United States of America, the principal sum of Two Hundred Fifty Thousand
Dollars ($250,000.00) on the terms and conditions hereinafter set forth.  This
Note shall bear interest at the rate of eight percent (8%) per year and shall
Mature on May 16, 2003, at which time all outstanding principal shall be due
and payable.  Additionally, on December 30, 2002 one installment of principal
in the amount of $25,000.00 shall be due and payable by Citadel to Payee.

Events of Default.  The entire unpaid principal balance of this Note shall
-----------------
immediately become due and payable, at the option of Payee, upon the failure by
Citadel to pay any installment of principal and interest hereof as and when the
same becomes due and payable in accordance with the terms hereof (the "Event of
Default").  In the event an Event of Default shall occur, the unpaid principal
shall accrue interest in the amount of 18% per annum and Payee may proceed to
protect and enforce its rights either by suit in equity and/or by action at law,
by other appropriate proceedings. No delay on the part of Payee in the exercise
of any power or right under this Note, or under any other instrument executed
pursuant thereto shall operate as a waiver thereof, nor shall a single or
partial exercise of any other power or right preclude further exercise thereof.

Costs of Collection.  It is hereby specially agreed that if this Note is placed
-------------------
into the hands of an attorney for collection, or if proved, established, or
collected in any court, Citadel agrees to pay to Payee an amount equal to all
expenses incurred in enforcing or collecting this Note, including court costs
and reasonable attorneys' fees.

Waiver of Rights.  Except for the notice expressly provided herein, the
----------------
undersigned and all endorsers, sureties, and guarantors hereof hereby jointly
and severally waive presentment for payment, demand, notice of nonpayment,
protest, notice of protest, and without further notice hereby consent to
renewals, extensions, or partial payments either before or after maturity.

Registration Rights.  If any Shares are outstanding and held by the Payee,
-------------------
Citadel shall use its best efforts to include the Shares and the additional
50,000 shares issued to Payee on the date of this Note (the "Payee Shares") in
any registration statement filed by Citadel with the Securities and Exchange
Commission (other than a registration statement on Form S-8 or Form S-4) to the
extent requisite to permit the public offering and sale of the Payee Shares and
will use their respective best efforts to cause such registration statement to
become effective as promptly as practicable. Notwithstanding the foregoing,
Citadel or the managing underwriter, if any, of such offering may elect to
exclude all or a portion of the Payee Shares if the offering of such Payee
Shares would adversely affect the market for Citadel's securities or Citadel's
business plans.  As used herein, the "Payee Shares" shall mean the Payee Shares
that have not been previously sold or that may not be resold pursuant to Rule
144 promulgated under the Act or other available exemption.  Notwithstanding the
foregoing, Citadel shall not in any event be required to keep any such
registration or qualification in effect for a period in excess of two years from
the date on which the Payee is first free to sell such Payee Shares.

In connection with registration of securities pursuant to this Note, Citadel
shall bear all expenses incurred in connection with such registration statement,
except that the Holder shall pay all fees and expenses with respect to its
shares, including broker/dealer commissions, underwriting discounts, the
expenses of such underwriter, fees and disbursements of counsel of Holder and
any stock transfer taxes incurred with respect of the Payee Shares of Holder.

Usury Limitation.  All agreements between Citadel and Payee, whether now
----------------
existing or hereafter arising and whether written or oral, are expressly limited
so that in no contingency or event whatsoever shall the amount paid, or agreed
to be paid, to Payee hereof for the use, forbearance, or detention of the money
advanced to Citadel, or for the performance or payment of any covenant or
obligation contained herein, exceed the maximum amount permissible under
applicable federal or state law.  If, from any circumstance whatsoever,
fulfillment of

                                      -1-
<PAGE>
any provision hereof at the time performance of such provision shall be due
shall involve transcending the limit of validity prescribed by law, then the
obligation to be fulfilled shall be reduced to the limit of such validity, and
if from any such circumstance Payee shall ever receive as interest under this
Note or otherwise an amount that would exceed the highest lawful rate, such
amount that would be excessive interest shall be applied to the reduction of the
principal amount owing under this Note and not to the payment of interest or, if
such excessive interest exceeds the unpaid principal balance of this Note, such
excess shall be refunded to Citadel. All sums paid or agreed to be paid to Payee
for the use, forbearance, or detention of the indebtedness evidenced hereby
shall, to the extent permitted by applicable law, be amortized, prorated,
allocated, and spread throughout the full term of such indebtedness until
payment in full so that the actual rate of interest on account of such
indebtedness is uniform throughout the term thereof. The terms and provisions of
this paragraph shall control every other provision of all agreements between
Citadel and Payee.

Governing Law.  This Note shall be governed by and construed in accordance with
-------------
the laws of the State of Texas and the laws of the United States applicable to
transactions in Texas.

CITADEL:

Citadel Security Software Inc.

By:  /s/ Steven B. Solomon
         Steven B. Solomon, CEO

PAYEE:

KEN SCHNITZER

By:  /s/ Ken Schnitzer
         Ken Schnitzer

                                      -2-
<PAGE>
                                    GUARANTY

The undersigned, Steven B. Solomon ("Guarantor"), acknowledges that he is aware
of the terms and conditions of the Promissory Note, dated December 9, 2002
payable by Citadel Security Software Inc. ("Citadel") to the order of Ken
Schnitzer ("Payee") in the original principal amount of $225,000, and Guarantor
does hereby irrevocably and unconditionally guaranty, without offset or
deduction, the due and punctual payment when due by Citadel of all money now or
hereafter due Payee pursuant to the Note (collectively, "Obligations").
Guarantor agrees that in the event that Citadel fails to pay any Obligation for
any reason whatsoever (including, without limitation, the liquidation,
insolvency, bankruptcy, reorganization, or other similar proceedings affecting
the status, existence, assets or obligations of, Citadel, or the disaffirmance
with respect to Citadel of the Note, Guarantor will promptly pay such
Obligations upon demand of Payee. To the fullest extent permitted by law, the
obligations of Guarantor hereunder shall not be affected by (a) any lack in the
genuineness, validity, regularity or enforceability of any of Citadel's
obligations under the Note; (b) any direction of application by Citadel or any
other party; (c) any other continuing or other guaranty or undertaking or the
taking or releasing by Payee of any security in connection with the Note; (d)
any payment on or in reduction of any other guaranty or undertaking; or (e) any
dissolution, termination, or increase, decrease or changes of personnel of
Citadel.

Dated:  December 9, 2002

/s/ Steven B. Solomon
Steven B. Solomon

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<PAGE>

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