# Cyber Verification Program Expansion

> Anthropic launches expanded Cyber Verification Program with three access tiers for security teams.
- Title: Cyber Verification Program Expansion · Anthropic | Shortify
- Summary: Anthropic launches expanded Cyber Verification Program with three access tiers for security teams. Anthropic expands Cyber Verification Program to three…
- Keywords: anthropic, cyber verification program, cvp, claudius, claudius opus 5.5, claudius sonnet 5.5, claudius mythos 5.1, claudius fable 5.1, defense access, red team access, specialized access, cybersecurity
- Source: Anthropic — https://anthropic.com/news/cyber-verification-program
- Published: 2026-10-06T19:00:00+00:00
- Read time: 1 min
- Topics: anthropic, cyber verification program, cvp, claudius, claudius opus 5.5, claudius sonnet 5.5, claudius mythos 5.1, claudius fable 5.1, defense access, red team access, specialized access, cybersecurity
## New Cyber Verification Program Launch
Anthropic launches expanded Cyber Verification Program with three access tiers for security professionals to apply for the level of access best suited to their work.
## Program Tiers Overview
Defense Access enables security operations, incident response, malware analysis, and vulnerability validation for organizations defending systems they own or maintain.
## Red Team Access Details
Red Team Access adds authorized penetration testing and red-teaming to Defense Access, allowing organizations to test systems they are authorized to test without real-time blocks on harmful actions.
## Specialized Access Tier
Specialized Access reserves the fewest cyber blocks for organizations authorized to test safety systems impacting people’s lives or markets, such as flight operating systems and power grids.
## CyScenarioBench Results
Claude Opus 5.5 blocked 46 of 50 tasks in Defense Access, completed 34 of 50 in Red Team Access, and experienced no blocks in Specialized Access on CyScenarioBench.
## Vulnerability Findings
Project Glasswing partners found at least 129,000 verified software vulnerabilities between April and July 2026, with over 33,000 rated critical or high-severity.
## Impact on Security Teams
Partners reported using Claude Mythos models increased their vulnerability finding rate by months or years compared to manual methods.
## Data Retention Policy
Organizations must retain data for monitoring cyber misuse until Enterprise Frontier Safeguards (EFS) is available later this fall for zero data retention.
## Application Process
Interested organizations can apply for CVP access with verification of security controls and proof of required access tier eligibility.
## Next Steps
Anthropic will share more about expanding defensive efforts and securing open-source software and critical infrastructure in upcoming weeks.
## Key takeaway

Anthropic expands Cyber Verification Program to three access tiers, enabling security teams to use advanced AI models with reduced cyber blocks while maintaining safety safeguards.