Anthropic opens its most powerful AI models to more security teams
The three-tier program gives vetted organizations access to Claude models with fewer safeguards after scans found more than 100,000 software vulnerabilities.
- On Tuesday, Anthropic expanded its Cyber Verification Program into three access tiers, opening Claude Opus 5.5, Claude Sonnet 5.5, and Claude Mythos 5.1 to a broader range of cybersecurity organizations.
- The revamped CVP integrates Project Glasswing, which provided Claude Mythos access to critical software teams, and the original Cyber Verification Program, combining two initiatives Anthropic operated for six months.
- Partners in the Project Glasswing initiative identified 129,000 verified software vulnerabilities between April and July 2026, with more than 33,000 rated as critical- or high-severity.
- In the Red Team Access tier, the model completed 34 of 50 tasks with no blocks, while the Defense Access tier saw 46 of 50 trials blocked, demonstrating graduated safety controls.
- Qualifying entities include security teams at universities, firms, and critical infrastructure operators, though the Specialized Access tier requires detailed vetting with U.S. government involvement to test safety-critical systems.
55 Articles
55 Articles
Computer security has just been hit hard. Anthropic revealed the first public data on the use of Claude Mythos, the model designed to analyze code and find security flaws. In a few months, the system found more than 129,000 vulnerabilities, a record that surprised and forced to extend access. This [...]
Anthropic Expands Cyber Verification Program, Opens Restricted AI Access to More Security Groups
Artificial intelligence (AI) company Anthropic has expanded its Cyber Verification Program (CVP), opening restricted AI access to more security groups. The program, announced on the Anthropic website, makes advanced cyber capabilities and reduced blocking classifiers available to qualifying security professionals [1]. The company stated the revamped CVP combines two initiatives it has run for the past six months: Project Glasswing, which gave or…
Anthropic widens access to AI cyber capabilities for vetted security teams
Anthropic is expanding its Cyber Verification Program to give more security teams access to advanced cyber capabilities with reduced safeguards on its most advanced AI models. The expanded program has three access tiers based on the type of cybersecurity work an organization is authorized to perform. The tiers cover defensive security work, authorized red teaming, and testing of systems that could affect public safety or financial markets. “Defe…
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