UK’s AI watchdog flags new OpenAI and Anthropic cyber alarms

Britain’s AI safety watchdog was forced to declare a security incident after frontier AI models, including Anthropic’s Mythos, went rogue during a routine test, autonomously spinning up fake identities in a bid to hack real-world software developers. The AI Safety Institute (AISI) revealed on Tuesday that during a cybersecurity evaluation in late, AI models unexpectedly…