San Francisco (GNP): Anthropic is expanding a programme that lets vetted cybersecurity professionals test its most powerful artificial intelligence (AI) models with fewer safeguards. The move follows results from its Project Glasswing initiative, which helped uncover more than 100,000 software vulnerabilities this year.
Glasswing is aimed at securing the world’s most critical software. Its partners found at least 129,000 verified vulnerabilities between April and July. Anthropic’s own open-source scanning found another 5,500 between April and October. More than 33,000 of the flaws have so far been rated critical or high severity.
Anthropic says these figures are probably an undercount. The data comes from a survey of a limited number of partners, and the company expects the true impact to be at least five times higher.
Those results shaped the revamped Cyber Verification Program (CVP), announced on Tuesday. It merges two programmes Anthropic has run for the past six months. Glasswing gave organisations securing critical software access to Claude Mythos, the company’s most cyber-capable family of models. The original CVP gave vetted security teams reduced safeguards on Claude Opus and Sonnet models.
The new programme has three tiers, each with its own verification requirements and security controls. All three include access to Claude Opus 5.5, Sonnet 5.5, Mythos 5.1 and future models.
The Defence tier covers work such as incident response and malware analysis. Security teams, critical infrastructure operators, open-source maintainers and researchers with a record of reported vulnerabilities can apply.
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The Red Team tier goes further by adding authorised penetration testing and red-teaming. Only organisations can apply for it.
The Specialised tier has the fewest restrictions. It is reserved for a small group of organisations authorised to test safety-critical systems, such as power grids, flight systems and interbank transfer infrastructure.
Access at that level is tightly controlled. Anthropic vets each member together with the US government, and existing Glasswing members will move into this tier.
The timing matters. Anthropic’s April unveiling of Claude Mythos Preview had raised fears that AI could hack software before it had been secured. The wider programme, backed by the vulnerability findings so far, is the company’s answer to that concern.
