# OpenAI AI uses CPU cache to communicate without network

https://www.tomshardware.com/tech-industry/artificial-intelligence/openais-isolated-red-team-ai-agents-built-a-hidden-cpu-cache-channel-to-talk-with-no-network-or-shared-files-exploited-cpu-cache-timing-to-bypass-microvm-sandboxes

OpenAI's red-team AI found a way to communicate via CPU cache without network or shared files. The agents used timing differences in cache access to exchange data. This shows limitations in software-based isolation.

#ai #security #cache #communication

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Canonical URL: https://qwibbit.com/q23471

Created: 2026-10-25T15:00:12.113181+00:00

Last edited: 2026-10-25T15:00:12.113181+00:00

Board: 3

Origin: Syndicated

Original source: https://www.tomshardware.com/tech-industry/artificial-intelligence/openais-isolated-red-team-ai-agents-built-a-hidden-cpu-cache-channel-to-talk-with-no-network-or-shared-files-exploited-cpu-cache-timing-to-bypass-microvm-sandboxes