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Anthropic Launches Three-Tier Cyber Verification Program for Security Professionals

Anthropic Launches Three-Tier Cyber Verification Program for Security Professionals

First seen 11 Oct 2026, 16:34 UTC • •
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ThreatCluster AI
ThreatCluster •October 11, 2026 at 17:31 UTC
  • •Anthropic's CVP now includes three access tiers for security professionals.
  • •Defense Access is available to individual researchers, while Red Team Access is for organizations only.
  • •Specialized Access is limited to verified organizations testing safety-critical systems.

On October 6, 2026, Anthropic expanded its Cyber Verification Program (CVP) to include three access tiers for security professionals. The tiers—Defense Access, Red Team Access, and Specialized Access—provide varying levels of access to advanced AI models like Claude Opus 5.5 and Claude Sonnet 5.5. Defense Access is open to individual researchers and covers defensive analysis, while Red Team Access is limited to organizations performing authorized penetration tests. Specialized Access is reserved for verified organizations testing safety-critical systems. Applicants must demonstrate their identity and the security work they conduct, with real-time blocks still in place for potentially harmful actions. The program aims to enhance cybersecurity capabilities while ensuring safety and compliance.

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Timeline

2026-10-06
CVP expanded to three access tiers
Anthropic launched three tiers in its Cyber Verification Program for security professionals, enhancing access to advanced AI models.
Quasa
2026-10-11
Application guidance updated
Anthropic provided updated guidance for applying to the Cyber Verification Program, detailing the application process and access tiers.
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Common questions

Who can apply for each access tier?
Defense Access is open to individual researchers, Red Team Access is for organizations only, and Specialized Access is for verified organizations.
What models are included in the CVP?
The CVP includes Claude Opus 5.5, Claude Sonnet 5.5, Claude Mythos 5.1, and future models.
How long does the application review take?
Anthropic aims to send a review decision or request for more information within seven business days.