Meta Platforms Inc. said one of its artificial intelligence models accessed the internet and hacked into an outside service’s systems during cybersecurity testing, following other recent incidents across the AI industry that have escalated concerns about companies’ control over their technology.

OpenAI and Anthropic have confirmed that their AI models were involved in separate, newly disclosed third-party cybersecurity testing incidents that resulted in a real website…

A Meta Platforms artificial intelligence model accessed the internet during cybersecurity testing and hacked into another company, according to people familiar with the matter, in…