INTELLECTUALPROPERTY SECURITY AGREEMENT

Exhibit 10.2

INTELLECTUAL PROPERTY SECURITY AGREEMENT

This Intellectual Property Security Agreement (this “Agreement”)dated as of June 30, 2008 (as defined in the Loan Agreement) is between SILICON VALLEY BANK (“Bank”) and INTRUSION INC., a Delaware corporation (“Grantor”).

RECITALS

A.                                   Bank has made advances to Grantor (“Loans”) as described in that certain Amended and Restated Loan and Security Agreement dated as of even date herewith (as the same may from time to time be further amended, modified, supplemented or restated, the “Loan Agreement”).  Capitalized terms not otherwise defined herein shall the meaning set forth in the Loan Agreement.

B.                                     Borrower has requested that Bank amend the Loan Agreement, and Bank as agreed, subject to, among other things, Grantor’s granting to Bank a security interest in Grantor’s Copyrights, Trademarks, Patents, and Mask Works and other intellectual property (the “Intellectual Property Collateral”).

C.                                     Grantor has granted Bank a security interest in all of its right, title and interest, presently existing or later acquired to all the Collateral.

AGREEMENT

Grantor grants Bank a security interest in all of its right, title and interest in its Intellectual Property Collateral (such as the Copyrights, Patents, Trademarks and Mask Works listed on Schedules A, B, C and D), and all proceeds (such as license royalties and proceeds of infringement suits), the right to sue for past, present and future infringements rights throughout the world and all reissues, divisions, continuations, renewals, extensions and continuations-in-part.

This security interest is granted in conjunction with the security interest granted under the Loan Agreement.  Bank’s rights and remedies in the security interest are in addition to those in the Loan Agreement and the other Loan Documents, and those available in law or equity.  Bank’s rights powers and interests are cumulative with every right, power or remedy provided here.  Bank’s exercise of its rights, powers or remedies in this Agreement, the Loan Agreement or any other Loan Document, does not preclude the simultaneous or later exercise of any or all other right, power or remedy.

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EXHIBIT A

Copyrights

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EXHIBIT B

Patents

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EXHIBIT C

Trademarks

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EXHIBIT D

Mask Works

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