Claude Mythos 5 Redeployed to Help U.S. Organizations Strengthen Cyber Defense

Anthropic has reinstated access to its Claude Mythos 5 model for select U.S. critical-infrastructure organizations following a two-week suspension and close coordination with federal authorities; the pause reflected national-security and responsible-deployment concerns. The report describes a phased, clearance-like authorization process to restore and expand access, highlights the model's role in accelerating threat detection and incident response, and signals increased government oversight of AI tools used in sensitive cyber defense contexts.