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Applied AI·November 11, 2026·1 min read

'Model weights need the same level of scrutiny as code': Microsoft researchers find AI agents can be backdoored by editing just a few neurons

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If a few neuron edits can backdoor an AI agent, your model weights are now a primary security boundary, not just a performance artifact. Treat weight provenance, change control, and diff review like code—lock down who can touch models and log every modification.