Intruder
Computer and Network SecurityEngland, United Kingdom51-200 Employees
Intruder, based in London, United Kingdom, is a cybersecurity company founded in 2015 to address the information overload that accompanies vulnerability management. It emphasizes prioritizing issues, tracking remediation progress, and delivering timely alerts to ensure the most critical vulnerabilities are not overlooked. The firm positions its offerings in the computer and network security space as a practical way to manage exposure and vulnerability risk by focusing on essential threats and reducing noise for security teams. The company serves a global customer base of more than 3,000 organizations, including enterprise customers, and has been recognized with industry accolades such as selection for GCHQ's Cyber Accelerator and a place on Deloitte's Tech Fast 50 2023 list for fastest-growing UK cybersecurity firms. In 2026, Intruder expanded its capabilities with AI-powered pentesting, marking a notable recent development in its product roadmap.