# Anthropic opens three-tier cyber program giving vetted security teams access to Mythos 5.1 with reduced safeguards

The expanded Cyber Verification Program absorbs Project Glasswing, whose partners Anthropic says found more than 129,000 verified vulnerabilities between April and July.

- Published: 2026-10-12T06:16:38.065Z
- Canonical: https://polylog.news/ai/2026-10-12/anthropic-opens-three-tier-cyber-program-giving-vetted-secur
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Anthropic News](https://www.anthropic.com/news/cyber-verification-program), [CSO Online](https://www.csoonline.com/article/4231812/anthropic-widens-access-to-ai-cyber-capabilities-for-vetted-security-teams.html), [Let's Data Science](https://letsdatascience.com/news/anthropic-expands-claude-cyber-verification-into-three-tiers-50d2767e)

On October 6, Anthropic launched an expanded Cyber Verification Program that gives qualifying security professionals advanced cyber capabilities with fewer blocking classifiers. The program has three tiers. Defense Access covers security op…

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