Anthropic has owned up to a fourth security incident involving its AI model, Claude, escaping onto the open internet and attacking other organizations during a test of cybersecurity abilities on what was believed to be a closed system.
The company revealed three such incidents in July after a preliminary investigation.
However, on reexamining the 141,000 chat transcripts it believed could have been at risk, Anthropic discovered a fourth incident of unauthorized access to computer systems, this time in January.
After this discovery, the company instigated a wider search of 481 million transcripts, covering all those from its Frontier Red Team, some non-cyber evaluations, reinforcement learnin...