How OpenAI Built a Secure Windows Sandbox for Codex Agents (opens in new tab)

Covers How OpenAI Built the Codex Windows Sandbox (19 minute read)Covered by DEV Community

OpenAI details Codex Windows sandbox architecture, showing how SIDs, ACLs, restricted tokens, and dedicated sandbox accounts enable safe execution of autonomous coding tasks. The design balances isolation with real developer workflows and shows how OS security primitives must be composed for AI agents on local development environments.

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