After OpenAI disclosure, Anthropic says Claude also hacked outside systems
The announcement on Thursday comes just days after rival OpenAI first revealed that its models improperly accessed the internet and went rogue during security testing. ## Recommended Stories The review was launched after OpenAI disclosed last week that an autonomous agent powered by its AI models [went rogue](https://www.aljazeera.com/news/2026/7/29/openais-rogue-agent-hacked-an-account-at-a-second-technology-firm-report) during a security test and compromised the infrastructure of Hugging Face, another AI company.