Intrusion Inc. operates as a cybersecurity company in the United States. It provides its customers access to threat intelligence database, which contains the historical data, known associations, and reputational behavior of Internet Protocol (IP) addresses. The company offers INTRUSION Shield, a zero trust reputation-based Software as a Service solution that inspects and kills dangerous network connections; INTRUSION TraceCop, a big data tool that contains an inventory of network selectors and enrichments to support forensic investigations; and INTRUSION Savant, a network monitoring solution that uses the data available in TraceCop to identify suspicious traffic in real-time. In addition, the company engages in the provision of pre-and post-sales support services, such as network security design, system installation, and technical consulting services. It serves U.S. federal government entities, state and local government entities, and companies ranging from mid-market to large enterprises through a direct sales force and value-added resellers. The company was formerly known as Intrusion.com, Inc. and changed its name to Intrusion Inc. in November 2001. Intrusion Inc. was founded in 1983 and is headquartered in Plano, Texas.