Anthropic expands the Cyber Verification Program, opening models such as Claude Mythos 5.1 to security practitioners
Anthropic announced the expansion of the Cyber Verification Program, giving vetted security practitioners broader access to its most capable models. Through the program, verified security professionals can use Claude Mythos 5.1, Opus 5.5, and Sonnet 5.5, with guardrails oriented toward defensive work. Anthropic also opened new tiers that allow authorized offensive work such as penetration testing and red teaming.
We’re expanding our Cyber Verification Program to give security professionals broader access to our most capable models.
Through this program, verified security professionals can access Claude Mythos 5.1, Opus 5.5, and Sonnet 5.5 with safeguards designed for defensive work.
We’re also opening up new tiers to allow for authorized offensive work, like penetration testing and red-teaming.
https://www.anthropic.com/news/cyber-verification-program