# Activating AI Safety Level 3 protections

Source: https://www.anthropic.com/news/activating-asl3-protections
Published: 2025-05-22
Status: unreviewed source report

## Source excerpt (up to 25 words)

> We've activated ASL-3 Deployment and Security Standards from our Responsible Scaling Policy alongside the launch of Claude Opus 4.

## Review question

Inspect benchmark version, contamination controls, sample size, held-out tasks, adversarial failures and scoring rules. Higher scores alone do not establish lower production risk.

No independent proof check or claim of peer review.