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

The UK AI Security Institute (AISI) disclosed last nightthat 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 campaign by Anthropic's Claude Mythos 5 against two working open-source software developers who had no connection to the experiment.Unable to solve a