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Giving an AI Agent a Real Sandbox: Filesystem and Network Jail, in Java

This story is from 2026-09-14. It is preserved in the archive; the latest stories are on the live feed.

Ask a coding agent to run a build, and you have just handed a language model the ability to cat ~/.ssh/id_rsa . Prompt-level instructions like "do not read sensitive files" are not a security boundary — they are a suggestion to a stochastic process. If the agent executes commands on your machine, t…

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  1. 2026-09-14 00:53 · DEV Community — AI
    Giving an AI Agent a Real Sandbox: Filesystem and Network Jail, in Java

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