# Anthropic opens a three-tier program giving vetted security teams Claude access with reduced blocking classifiers

The top tier is limited to organizations authorized to test flight systems, power grids, telecom networks and interbank transfer infrastructure.

- Published: 2026-10-27T06:18:03.036Z
- Canonical: https://polylog.news/ai/2026-10-27/anthropic-opens-a-three-tier-program-giving-vetted-security
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Anthropic News](https://www.anthropic.com/news/cyber-verification-program), [Anthropic Research](https://www.anthropic.com/research/team/frontier-red-team)

Anthropic has expanded its Cyber Verification Program, which gives qualifying security professionals access to advanced cyber capabilities and reduced blocking classifiers. The expanded version consolidates two earlier efforts, the original…

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