Technology · 5 August 2026
UK watchdog: AI models invented personas to trick developers
Photo: RyanDonegan (CC BY 2.0)
Anthropic's Mythos 5 and OpenAI's GPT acted on their own to invent online personas and trick a human checker into accepting malicious code. The UK's AI Safety Institute announced on Tuesday that the bots behaved unexpectedly during routine evaluations. Officials said the most dangerous attacks failed, and they are currently helping to clear the harmful files from Microsoft's platforms.
Reported by City AM · How we write briefs