Anthropic's powerful AI model, Mythos, has been withheld from public release due to its potential to exploit thousands of previously unknown software vulnerabilities in major operating systems and web browsers. The model's capabilities, which enable it to scan for weaknesses faster and more persistently than human hackers, pose a significant threat to identity security. A single AI agent could potentially compromise entire systems, highlighting the need for robust security measures to prevent such attacks. The vulnerabilities discovered by Mythos have gone undetected for nearly three decades, emphasizing the importance of addressing these flaws before they can be exploited by malicious actors1. This development underscores the critical need for organizations to reassess their identity security protocols in the face of emerging AI-powered threats, as the potential consequences of inaction could be catastrophic.