EXHIBIT 32.2

CERTIFICATION PURSUANT TO RULE 13a-14(b) OF THE EXCHANGE ACT AND 18 U.S.C. SECTION 1350, AS ENACTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Intrusion Inc. (the “Company”) on Form 10-K for the fiscal year ending December 31, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kimberly Pinson, Chief Financial Officer of the Company certify, pursuant to 18 U.S.C. Section 1350, as enacted 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 results of operations of the Company.

April 1, 2024	/s/ Kimberly Pinson
	Kimberly Pinson
	Chief Financial Officer (principal executive officer)