Alleged Claude Mythos Breach Raises Questions About AI Security

Reports of a Claude Mythos breach raise questions about AI security and whether frontier AI vendors can prevent downstream risk.

OpenAI’s New GPT-5.4-Cyber Raises The Stakes For AI And Security

Described by OpenAI as a new model tuned for defensive cybersecurity tasks, GPT-5.4-Cyber is being offered first to vetted ...
Nextgov

Microsoft to test third-party AI models for incorporation in its security offerings

The announcement follows Anthropic’s debut of its leading-edge Mythos model, which the company says has already found ...

How AI is getting better at finding security holes

Anthropic announced this week that its new model found security flaws in "every major operating system and web browser." Even ...

Another Anthropic blunder? Did hackers get into its secret Mythos AI system—raising fresh fears about deeper security gaps and powerful cyberattack risks worldwide

Another Anthropic blunder? Reports say a small unauthorized group accessed the secret Mythos AI cybersecurity tool. That tool ...