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Matthew Green on whether sandboxes can contain runaway agents

What happened

AI digest

On 1 October 2026, Simon Willison cited cryptographer Matthew Green's discussion of whether sandboxes can contain runaway agents. Green argues that an agent worm consists of two halves: a payload that hijacks an agent, and an agent that passes the payload to the next agent. The report gives no further details and does not say which specific incident or sandbox approach the discussion addresses.

Written by AI from the reports · updated 3 h ago

Timeline

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Oct 1
  1. Simon Willison
    Quoting Matthew Green

    1st October 2026 [...] Put these pieces together and you have the two halves of a worm: a payload that hijacks the agent, and an agent that will carry the payload to the next agent.

Heat of this event

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