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Anthropic loosens, but limits, Claude cyber tools for defenders

Anthropic is updating its Cyber Verification Program for the Claude AI chatbot, splitting access into three tiers based on how each user plans to use the tool for cybersecurity. The least restricted tier now includes capabilities from Project Glasswing, but most security teams will still face strict limits. Anthropic says the broadest-access 'Defense' tier blocked nearly all offensive tests—46 out of 50—meaning defenders will often hit walls trying to use advanced features.

Why it mattersAnthropic is trying to put more powerful cybersecurity-AI tools in the hands of defenders—but most users won’t get full access. There’s still a big gap between what’s technically possible and what most defensive teams are trusted to use.

Sources covering this

SecurityWeekHeadline onlyAnthropic Introduces 3-Tier Cyber Verification Program for AI Access10:07 AM →The New StackClaude’s cyber safeguards are getting more flexible — but not for everyone.9:25 PM →

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