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INTRUSION INC

For the period ended Dec 31, 2025. Filed Mar 25, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 25, 2026

INTZ$0.54-17.6%Stored close · as of Nov 9, 2026

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Contents

Notes to Consolidated Financial Statements

1. Description of Business

Intrusion, Inc. (together with its consolidated subsidiary, the “Company,” Intrusion,” “Intrusion Inc.,” “we,” “us,” “our,” or similar terms) was organized in Texas in September 1983 and reincorporated in Delaware in October 1995. The Company’s principal executive offices are located at 101 East Park Boulevard, Suite 1200, Plano, Texas 75074, and the Company’s telephone number is (888) 637-7770. The Company’s website URL is www.intrusion.com.

The Company develops, sells, and supports products that protect any-sized company or government organization by fusing advanced threat intelligence with real-time mitigation to kill cyberattacks as they occur – including Zero-Days. The Company markets and distributes the Company’s solutions through value-added resellers, managed service providers, and a direct sales force. The Company’s end-user customers include U.S. federal government entities, state and local government entities, and companies ranging in size from mid-market to large enterprises.

TraceCop (“TraceCop™”) andSavant (“Savant™”) are registered trademarks of Intrusion Inc. The Company has applied for trademark protection for the Company’sINTRUSIONShield cybersecurity solution.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.