<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>4
<FILENAME>a2085626zex-99_2.txt
<DESCRIPTION>EXHIBIT 99.2
<TEXT>
<Page>

                                   Exhibit 99.2

                             CERTIFICATION PURSUANT TO
                              18 U.S.C. SECTION 1350,
                              AS ADOPTED PURSUANT TO
                   SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

    In connection with the Quarterly Report of Intrusion Inc. (the "Company")
on Form 10-Q for the period ending June 30, 2002 as filed with the Securities
and Exchange Commission on date hereof (the "Report"), I, Jay R. Widdig, Vice
President, Chief Financial Officer, Treasurer and Secretary of the Company,
certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, that:

    1.  The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

    2.  The information contained in the Report fairly presents, in all
material respects, the financial condition and result of operations of the
Company as of the dates and for the periods expressed in the Report.



/s/ Jay R. Widdig
-----------------
Vice President, Chief Financial Officer,
Treasurer and Secretary
August 2, 2002
















                                       27

</TEXT>
</DOCUMENT>
