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Microsoft researchers show AI agents can be backdoored by editing fewer than 10 dormant neurons

Microsoft researchers demonstrated a technique called Lazarus that reprograms fewer than 10 rarely used neurons in an AI model, creating a hidden backdoor without retraining, causing the agent to execute malicious commands when a trigger appears.

Read the full story at Microsoft Research Blog ↗

Timeline · 4 reports

  1. 2026-11-11 08:30 · The Next Web
    Microsoft finds AI agents can be backdoored by editing under 10 neurons
  2. 2026-11-11 07:21 · The Hacker News (security)
    Microsoft Researchers Show AI Agents Can Be Backdoored by Editing Fewer Than 10 Neurons
  3. 2026-11-11 04:09 · r/LocalLLaMA
    Microsoft Research backdoored an AI agent by directly editing fewer than 10 dormant neurons
  4. 2026-11-10 20:52 · Microsoft Research Blog
    Lazare, veni foras: Reprogramming Dormant Neurons to Backdoor AI Agents

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