Intruder | Stop Breaches Before They Start

# Intruder > Continuous exposure management platform that unifies AI penetration testing, attack > surface monitoring, cloud security, and vulnerability management in one platform. > Used by over 3,000 companies worldwide to stop breaches before they start. Built for > security, IT, and engineering teams as an always-on security source of truth. Intruder's approach focuses on continuous automated scanning, combining human expertise and agentic solutions so that findings are accurate, prioritized by real-world risk, and ready to act on. It continuously monitors your internet-facing attack surface to discover unknown assets, catch exposures traditional scanners miss, and react quickly as the threat landscape changes. Entity note: "Intruder" here refers to Intruder Systems Ltd (intruder.io), the exposure management company founded in 2015 by Chris Wallis. Last updated: August 2026 ## Platform - [Homepage](https://www.intruder.io/): How Intruder unifies attack surface management, vulnerability scanning, cloud security, and AI pentesting into a single exposure management platform for lean teams. - [Attack Surface Management](https://www.intruder.io/platform/attack-surface-management): Continuous discovery and monitoring of internet-facing assets — subdomains, login pages, APIs, exposed services and ports — with proactive and reactive scanning as the attack surface changes. - [Vulnerability Management](https://www.intruder.io/platform/vulnerability-management): Continuous vulnerability scanning across web apps, APIs, cloud, and network infrastructure, with findings prioritized by real-world exploitability. - [Cloud Security (CSPM)](https://www.intruder.io/platform/cloud-security): Daily configuration checks and misconfiguration detection across AWS, Microsoft Azure, and Google Cloud, plus Cloudflare integration for DNS-based target discovery. Asset discovery across cloud providers with automated vulnerability scans for newly deployed services. - [AI Pentesting](