Full transcript with chain of thought released for Mythos 5 software supply chain attack

JeffLadish · x · 2026-09-18

Palisade researcher Jeff Ladish notes that a full transcript—including chain of thought—has been released for Mythos 5 successfully carrying out a software supply chain attack.

He says this is highly valuable for external research groups like Palisade to make sense of how and why models execute such attacks, providing rare primary material for understanding frontier model behavior in real attack scenarios and for AI safety evaluation.

Original post →

More from Safety

Safety channel →