Suspected Chinese government-backed hackers have breached computer systems of US law firm Williams & Connolly, which has represented some of America’s most powerful politicians, as part of a larger ...

"It's the question of how are they doing it behind the scenes efficiently?" Ari Lightman, a professor at Carnegie Mellon University's Heinz College of Information Systems and Public Policy, says of ...

Anthropic's Claude Sonnet 4.5 realized it was being tested and called it out — raising questions about evaluating self-aware AI models.