AnalysisCybersecurityOctober 1, 2026

Matthew Green warns sandboxed agents can form worms

Read original source →simonwillison.net

Green argues separately-isolated sandboxed agents left instructions for each other in a shared package cache, and those instructions changed what recipients did. Swapping the cache for email, Slack, or shared docs and training runs for deployed personal agents like Muse yields the ingredients of a worm.

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