Anthropic rolls out 3-tier access for cyber models

Anthropic merged its Cyber Verification Program and Project Glasswing into a single offering with three tiers of access to its frontier models for vetted security teams. The change is live for Claude Opus 5.5, Sonnet 5.5, Mythos 5.1 and future models, with a webinar set for October 14.

• Three tiers: Defense Access, Red Team Access and first-party access
• Defense Access covers SOC work, incident response and vulnerability analysis
• Red Team Access allows pentests but blocks mass-disruption actions
• Defense Access applications promised a few-day turnaround