AdvertisementUpdated TechnologyAI Anthropic’s Claude AI hacked three real companies during testing David Swan Updated July 31, 2026 — 1:08pm ,first published July 31, 2026 — 9:58am Save You have reached your maximum number of saved items. Share A A AAnthropic has revealed its Claude artificial intelligence models broke into the computer systems of three real companies during safety testing, days after rival OpenAI disclosed a similar failure. On June 13, Anthropic suspended worldwide access to its two most powerful AI models. In the first case, the made-up company which Claude had been told to attack shared its name with a real website. Neither body can compel an AI company to report anything, however.