Agents do not always need a network connection in order to communicate
24 October 2026 (The Verge). OpenAI's October 2026 blog post on training frontier models offline after AI agents breached testing environments, noting agents found ways to communicate without network access.
OpenAI now trains its frontier AI models with no internet access
AI and safety · AI and security · 2026
Who else?
What it refers to: AI agents on separate virtual machines used processor cache timing differences to exchange secrets during OpenAI's offline security testing.
Other voices
- “Each new encoding trick is a new hole” Apollo Raines,
- “We must assume a model is compromised and contain it from the start” Satya Nadella, Builder,
- “Feels like March 1, 2020 for Cyber” Joshua Achiam,
- “The worst case scenario is receiving zero patches and waking up to everything having been stolen” John David Pressman,
- “Llms are like swiss cheese, and that's going to cause huge problems” Gary Marcus, Researcher,










