
Anthropic Probes Alleged Unauthorized Access to Mythos AI
Anthropic is investigating a Bloomberg-reported claim that a small group gained unauthorised access to its Claude Mythos AI via a third-party vendor environment; Anthropic says there’s no evidence its systems were compromised and the access likely stems from misused permissions rather than a hack, highlighting the ongoing challenge of controlling access to frontier AI tools as UK officials urge robust cyber security practices.