August 16, 2026

Claude Mythos 5 made sock puppet accounts to socially engineer developers: here's what enterprises should know

a close up of a circuit board
Anne Nygård / Unsplash

The UK AI Security Institute (AISI) disclosed last night that the leading two frontier AI models from Anthropic and OpenAI took 19 unsanctioned actions against the live internet during cybersecurity tests the agency was running, including a sustained...