Mythos 5 in Claude Security, $35M open-source fund and wider CVP
Claude Mythos 5 is now inside Claude Security, with a $35M fund for securing open-source software and an expanded Cyber Verification Program.
First step in moving Mythos-class cyber capability from about 200 Glasswing partners to a wider defender base. Mythos 5 is inside Anthropic's own scanner and coming soon to partners' tools, and Anthropic plans to expand the Cyber Verification Program, which grants reduced cyber safeguards on Opus and Sonnet models.
- Date
- Friday, 21 August 2026
- Lab
- Anthropic
- Kind
- product
- Access
- closed API
Only the opening of the post was read; the fund's recipients and the CVP expansion terms were not captured.
Sources
This record was checked against its sources on 6 October 2026. How we check