Anthropic consolidates cyber AI programs into three-tier access model

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Anthropic has merged its two separate AI security programs into a single offering with three access tiers for verified security teams, effective from October 2026 for current and future models. The new structure provides different levels of access to Claude Opus, Sonnet, and Mythos models based on verification requirements and security controls. The tiers include Defense Access for security operations and vulnerability analysis, and Red Team Access for authorized penetration testing, with real-time blocks remaining on harmful activities. The program aims to provide faster access for defenders while maintaining safeguards by matching model capabilities to the trust level of the user.

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