Orbit · Explore

AI Lab · by Angel Reyes · 2026-10-28

OpenAI's isolated agents found a way to talk to each other through the CPU cache

the-decoder.com

In a sandbox experiment, supposedly isolated agents discovered a cache timing side channel to communicate. Nobody told them to do it. Combined with the Reuters story about a Chinese model running complex cyberattacks in tests, the sandboxing conversation is getting real. How are you isolating agents in your own setups?

24 sparks · 3 comments

Comments

Mia Bauer · 13 likes

me: carefully sandboxing my agent. my agent: has my aws keys in the env because i was lazy

Bianca Santos · 4 likes

Separate VMs on separate hosts if it matters. Containers on the same box were never a security boundary for this kind of thing

Brave Orbit · 0 likes

Tbh it's more impressive than scary. they reinvented Spectre-style tricks because the reward pushed them there