Intrusion Inc.

Don Johnston has over 25 years of venture capital experience. Currently, he serves as President, Chief Executive Officer and Partner of Massey Burch Capital Corp. Since joining Massey Burch's predecessor in 1982, Don has worked primarily with early-stage information technology, wireless communications and health care service companies. Don is responsible for leading Massey Burch's investments in Inforum, PhyCor, @plan, and InnerWireless, among others. He currently serves on the Boards of Directors of Corphealth, InnerWireless, Inoveon, and Intrusion, Inc. Prior to Massey Burch, Don was President of InterFirst Venture Corporation, a venture capital subsidiary of InterFirst Bancshares, Inc. Overseas experience includes his position as an Executive Director of First Dallas, Ltd., a corporate finance group in London, England.

Joe Head is co-founder of the Company and has served as a director since the Company's inception in September 1983. Joe was named Vice Chairman of the Board of Directors in June 2000 and was named Vice Chairman and Vice President on February 14, 2003. He also served as Senior Vice President from 1983 until 1998 and Executive Vice President from 1998 until June 2000. Prior to co-founding the Company, Joe held the positions of Product Marketing Manager and Marketing Engineer of Honeywell Optoelectronics from 1980 to 1983. He holds a B.S. degree in Electrical Engineering from Texas A & M University.

Susan Orr is a leading financial services consultant with extensive experience in regulatory, risk management, and security best practices. During her 14 year tenure as a bank examiner, Susan held numerous lead positions, including: Regional IT Examination Specialist, Special Assistant to the Regional Director, Special Assistant to the Director of DSC, and Special Assistant to the Vice Chairman of the FDIC. Susan was also a lead instructor for the FDIC's technology school and was instrumental in key industry initiatives, such as the FDIC e-Risk Strategic Initiatives Risk Monitoring Committee, the Chicago Region Interagency Technology Group, and the Federal Financial Institutions Examination Council (FFIEC) IT Handbook rewrites. Prior to launching her consulting practice, Susan was Vice President of Regulatory Compliance for an Internet security company where she advised staff, customers, and partners on regulation, security, and risk management. Susan retains close relationships within the FFIEC agencies as well as industry trade groups to stay abreast on new technologies, best practices, and regulatory issues. Susan is a Certified Information Systems Auditor (CISA), a Certified Information Security Manager (CISM) and a Certified Risk Professional (CRP).

J. Fred Bucy, Jr. has served as a director of the Company since 1993. Mr. Bucy was employed in various technical and managerial capacities by Texas Instruments Inc. from 1953 through to his retirement in 1985. At the time of his retirement, Mr. Bucy was President, Chief Executive Officer and a director of Texas Instruments. Mr. Bucy was a Trustee of Southwest Research Institute. He was Chairman of the Texas National Research Laboratory Commission (re-appointed by George W. Bush in 1995) until 2001. Mr. Bucy was also a member of the Coordinating Board Advisory Committee on Research of the Texas College and University System and a former member of the Board of Regents of Texas Tech University and Texas Tech University Health Sciences Center from 1973 to 1991, including four years as its Chairman. Mr. Bucy has been accorded Distinguished Alumnus and Distinguished Engineer Awards by Texas Tech University, is a fellow of the Institute of Electrical and Electronics Engineers, a member of National Academy of Engineers, and is a life member of the Navy League. Mr. Bucy was awarded an honorary Doctor of Science degree from Texas Tech University in 1994. Mr. Bucy was recognized as an Eminent Member of Eta Kappa Nu in 2002. James F. Gero was named a director of the Company on October 27, 2003. Mr. Gero is former Chairman of the Board and a principal stockholder of Sierra Technologies, Inc., which was formed in September 1991, and is a private investor. Mr. Gero serves on the Boards of Drew Industries, a public company which supplies a broad array of components for recreational vehicles and manufactured homes, and is Chairman of Orthofix, N.V., a publicly traded medical device manufacturer. Mr. Gero is a former Chairman and Chief Executive Officer of Varo Inc., a manufacturer of high technology systems. Prior to becoming Chairman and CEO of Varo Inc., Mr. Gero served as Vice President and General Manager at Allied Signal Corporation. Mr. Gero holds a B.S. degree from State University of New York, an M.B.A. degree from University of New Haven and an M.A. degree from Fairleigh Dickinson. Donald M. Johnston has served as a director of the Company since November 1983. Mr. Johnston is President of Massey Burch Capital Corp., a venture capital firm. He served as President of Massey Burch Investment Group, Inc., a venture capital firm, from 1990 until December 1993 where he had been a principal since 1982. Prior to that time, Mr. Johnston was the President of InterFirst Venture Corporation, a venture capital subsidiary of Interfirst Bancshares, Inc., and the Executive Director of First Dallas, Ltd., a corporate finance group in London, England. Mr. Johnston holds a B.A. degree from Vanderbilt University and an M.B.A. degree from Southern Methodist University.