Intruder was founded in 2015 by Chris Wallis with the mission to solve the information overload crisis in vulnerability management, particularly to help organizations prioritize security issues effectively and timely alert teams about critical vulnerabilities. The founder’s background as an ethical hacker and blue team defender shaped a product aimed at cutting through the noise and focusing on what truly matters in cybersecurity.
Intruder specializes in automated vulnerability management and penetration testing, providing a broad range of services including cloud security scanning, web application and API scanning, continuous penetration testing, and network monitoring. This comprehensive coverage allows organizations to maintain continuous visibility over their attack surface and address vulnerabilities promptly.
A standout feature of Intruder is its attack surface management, which continuously scans an organization’s network perimeter and alerts on new services and vulnerabilities. This proactive monitoring helps businesses reduce their attack surface and minimize the risk of cyberattacks.
Intruder integrates seamlessly with popular tools such as Jira, GitHub, Slack, Microsoft Teams, and GitLab, enabling efficient collaboration and ensuring critical security notifications reach the right stakeholders. The platform also generates detailed vulnerability assessment reports that rival manual penetration testing from leading security consultancies, providing valuable insights into an organization’s overall security posture.
Since its founding, Intruder has achieved multiple accolades, including selection for GCHQ’s Cyber Accelerator program and ranking on Deloitte’s Tech Fast 50 list in 2023 as the fastest-growing cybersecurity company in the UK. Today, Intruder serves over 2,500 customers worldwide, underlining its position as a trusted name in cybersecurity.