INTRUSION INC. Table of Contents As filed with the U.S. Securities and Exchange Commission on December 8, 2023 Registration No. 333-[__] UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Delaware 3576 75-1911917 (I.R.S. Employer Identification Number ...