Outside Red-Teamers Find Ways Past OpenAI's Agent Monitor, as Anthropic Fellows Show Production Coding Monitors Miss Over Half of Attacks — October 23, 2026
METR and Redwood Research publish a pilot red-team of OpenAI's internal misalignment monitoring, and Anthropic Fellows show blocking monitors in Claude Code and Codex can be beaten by injection and multi-context attacks. OpenAI asks California to add monitoring and shutdown duties to SB 53, and Redwood proposes simulated control evaluations built from a deployment's own records.
In this episode
Red-Teaming OpenAI's Internal Agent Monitoring Systems - METR — METR
“We found two independent client-controllable headers that disable the monitoring system for new agents, which could enable agents…
The skinny
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