Meta Pauses Work With Mercor After Data Breach Puts AI Industry Secrets at Risk

Meta and other AI labs have paused or are reassessing work with Mercor after a security incident linked to tainted LiteLLM updates attributed to the threat actor TeamPCP. The breach reportedly exposed large volumes of proprietary training data, source code, and media, prompted project suspensions, and may affect thousands of organizations—illustrating a significant supply-chain compromise in the AI data ecosystem with ties to data-wiping malware and criminal groups.