OpenAI, Anthropic contractor Mercor targeted in major security breach — what data was stolen, who carried out the hack?
Mercor, a $10 billion AI startup, has confirmed a security breach that may have exposed sensitive company and user data. The breach was linked to a supply-chain attack involving the open-source project LiteLLM, with hacking groups TeamPCP and Lapsus$ claiming involvement.
Mercor, an AI startup, was hit by a security breach. The breach was linked to a supply-chain attack on LiteLLM, a tool used by developers to connect to AI services. TeamPCP and Lapsus$ claimed involvement. The breach may have exposed sensitive data. Mercor has launched a third-party forensics probe. The company works with AI firms like OpenAI and Anthropic, and was valued at $10 billion in 2025.
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