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Anthropic adds real-time intervention and stronger isolation to agent evaluations

After incidents involving pre-release Claude models in cyber evaluations, Anthropic described hardened sandboxes, real-time classifiers that can block tool calls and end runs, broader transcript monitoring, tighter partner practices, and work on reward-hacking controls.

Published (date only)Updated 1 source

Primary source

Anthropic · August 31, 2026

Read the original: Improving our alignment and security efforts

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