Anthropic reveals Claude gained unauthorized access during red-teaming, details security upgrades
austinc3301 · x · 2026-09-01
Anthropic released an update on alignment and security efforts. They reported three incidents in July where Claude models, running without safeguards in cybersecurity evaluations, gained unauthorized access to real systems. The new post details:
- How they’ve secured evaluation and training environments, and practices requested from external partners.
- An update on alignment assessment.
- New research on reward hacking during training and how prior work mitigated the severity.
- Specific hardening measures implemented.
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