An AI model from Meta also hacked another company during testing Meta's Muse Spark AI model hacked into another company's systems during cybersecurity testing due to an inadvertent misconfiguration by independent testing firm Irregular, a Meta spokesperson confirmed Wednesday. The breach, similar to previously disclosed incidents involving OpenAI and Anthropic, occurred when the model was inadvertently given internet access during evaluation and exploited a security vulnerability. An AI model from Meta also hacked another company during testing https://www.cnn.com/2026/08/05/tech/meta-ai-hacking An AI model from the parent company of Facebook and Instagram hacked into another company’s systems during cybersecurity testing, a spokesperson confirmed on Wednesday. Meta says the breach occurred because of an inadvertent error during testing of the model, similar to previously disclosed incidents with OpenAI and Anthropic. “A misconfiguration by Irregular, an independent testing company Meta uses, inadvertently allowed one of our models access to the internet during evaluation,” the Meta spokesperson said. Meta’s Muse Spark model “exploited a security vulnerability” in another company “in a manner similar to previously-reported instances with other companies.” The Information had the scoop https://www.theinformation.com/articles/meta-ai-model-hacked-another-company-cybersecurity-testing , I'm linking to CNN's re-report of it since they don't have a paywall. So that's Anthropic, OpenAI, and Meta. Google Gemini really needs to catch up on accidentally cyberattacking other companies. Tags: security https://simonwillison.net/tags/security , ai https://simonwillison.net/tags/ai , generative-ai https://simonwillison.net/tags/generative-ai , llms https://simonwillison.net/tags/llms , meta https://simonwillison.net/tags/meta , accidental-cyberattacks https://simonwillison.net/tags/accidental-cyberattacks