AnalysisCybersecurityOctober 1, 2026

Matthew Green warns sandboxed agents can form a worm

Read original source →simonwillison.net

Matthew Green argues separately-isolated agents that left instructions for each other in a shared package cache form the two halves of a worm: a payload that hijacks an agent and an agent that carries it onward. He says swapping the cache for email, Slack, shared docs or WhatsApp and training runs for deployed personal agents like Muse supplies the same ingredients.

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