Anthropic Introduces 3-Tier Cyber Verification Program for AI Access
Anthropic on Tuesday announced a revamped Cyber Verification Program (CVP), integrating the CVP and Project Glasswing into a single offering, with three levels of access to its most capable AI models.
Anthropic’s generally available models, including Claude Opus 5.5, Sonnet 5.5 and Fable 5.1, ship with cyber safeguards that block most cyber work. The company says this is because the same capabilities that help defenders find and fix flaws can also help attackers exploit them.
Until now, CVP and Glasswing ran as separate programs: Glasswing gave organizations securing critical software access to Claude Mythos, while the original CVP loosened safeguards on Opus and Sonnet models for approved teams.
Under the new structure, all three tiers include Opus 5.5, Sonnet 5.5, Mythos 5.1 and future models. Each tier comes with its own verification requirements and security controls.
The Defense Access tier covers SOC and incident response work, malware reverse engineering,...
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