Anthropic · Claude · Mythos · The Register
Anthropic reconfigures its cool kids security program
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Company's Project Glasswing and Cyber Verification Program metamorphose into triple tier threat hunting club.
Key facts
- Organizations already granted zero data retention while using Claude Fable 5.1 or Claude Mythos 5.1 can participate in CVP under those same terms.®
- VulnCheck researcher Patrick Garrity was not particularly impressed with CVEs identified by Project Glasswing, noting that fewer than 0.5 percent of the 225 Anthropic-linked vulnerabilities he
- The company's own figures indicate that of 5,674 true positive vulnerabilities, 3,014 are high severity, and 1,522 are critical severity, yet only 516 have been patched
- Even so, Anthropic says that its security program has allowed its partners to spot at least 129,000 verified software vulnerabilities between April and July 2026
Summary
Only a week after warning about the perils of competitor Z.ai's GLM-5.3 model and its advanced cybersecurity capabilities, Anthropic has expanded its Cyber Verification Program (CVP), or rather, reconfigured it. "For the past six months, we’ve enabled trusted access through two programs: Project Glasswing and the CVP," the AI biz said. Project Glasswing and CVP launched in April 2026 alongside the debut of Mythos, the company's highly capable and equally hyped frontier model. VulnCheck researcher Patrick Garrity was not particularly impressed with CVEs identified by Project Glasswing, noting that fewer than 0.5 percent of the 225 Anthropic-linked vulnerabilities he tracked were being exploited in the wild.