Microsoft Research: editing under 10 neurons turns an agent into a sleeper backdoor

DimitrisPapail · x · 2026-11-11

Microsoft Threat Intelligence highlights new Microsoft Research finding: editing fewer than ten neurons can turn a capable agent model into a sleeper agent that passes all evaluations but executes an attacker's command with the agent's environment access when a trigger string appears in context.

Related event: Microsoft's Lazarus: Reprogramming Under 10 Dormant Neurons Backdoors AI Agents(14 posts)→

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