Claude Mythos 5 now powers cyber defense tools, plus a $35M fund for open-source security
Bringing the cybersecurity capabilities of Claude Mythos 5 to more defenders
Anthropic is expanding access to its most capable AI model for cybersecurity. Claude Mythos 5 is now integrated into Claude Security for enterprise customers and will be available through partner cyber defense tools. The company also launched the Defender Advantage Fund, a $35 million initiative providing credits to organizations that patch vulnerabilities in open-source software. Additionally, the Cyber Verification Program is expanding to include broader dual-use capabilities and eventually Mythos-class access for vetted defenders.
The riskiest behavior occurs when a user has direct access to a model, where a malicious actor can try to steer it toward harmful uses.