INTRUSION INC — Director's Dealing 2003

Dec 31, 2003

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INTRUSION INC (INTZ)
CIK: 0000736012
Period of Report: 2003-12-29

Reporting Person: SCIENCE APPLICATIONS INTERNATIONAL CORP (10% Owner)
Reporting Person: SAIC VENTURE CAPITAL CORP (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2003-12-29	Common Stock	S	4000	$0.5700	Disposed	2328352	Indirect
2003-12-30	Common Stock	S	20000	$0.0583	Disposed	2308352	Indirect
2003-12-31	Common Stock	S	7000	$0.5857	Disposed	2301352	Indirect

Footnotes

F1: By wholly-owned subsidiary SAIC Venture Capital Corporation