INTRUSION INC Stock: price and management transactions · United States · SEC (Form 4)

About INTRUSION INC

Intrusion Inc. is a United States-based cybersecurity company listed on the NASDAQ market. For French-speaking investors, it fits squarely into the niche software and cyber-defense segment rather than the broader enterprise security platform category. The company has been built over decades around large-scale internet intelligence and long-standing relationships with government users, before expanding its commercial footprint toward private-sector customers. Its corporate headquarters are in Plano, Texas, placing it in one of the major technology corridors in the United States. Intrusion’s core business is centered on cybersecurity products and services that combine threat intelligence with real-time detection and mitigation. Its flagship offering, INTRUSION Shield, is designed to stop cyberattacks as they occur, including certain zero-day threats. The product family also includes Shield Cloud and Shield End-Point, allowing the company to address multiple deployment environments and protect organizations of different sizes, from government agencies to private companies. This positioning reflects a technology stack built around a proprietary intelligence database of IP addresses and domain names, which the company uses as a core differentiator. From a competitive standpoint, Intrusion operates in a highly fragmented but intensely contested cybersecurity market dominated by much larger vendors. Its edge lies in specialization and in a prevention-oriented value proposition, rather than in offering a broad all-in-one security suite. That can be compelling in specific use cases, but it also means sales cycles can be uneven and the company remains exposed to customer concentration. Recent filings indicate that a substantial share of revenue has come from U.S. government entities, while commercial traction around the Shield product line has been improving. Recent business highlights include management commentary in 2025 and 2026 pointing to growing interest in Shield, including paid proof-of-value engagements and contract expansion activity. The company has also relied on capital markets financing and periodic investor disclosures to support operations, which remains relevant given its stage and cash-flow profile. Importantly, in May 2026 Intrusion received a Nasdaq non-compliance notice related to the minimum bid price requirement, a key development for investors because it underscores the stock’s market-risk sensitivity and the need for sustained operational and share-price improvement. Overall, for European investors, Intrusion should be viewed as a small-cap, high-risk cybersecurity name with technology optionality, but with meaningful execution and listing-risk considerations.