Supply Chain Attack Hits AI Data Firm Mercor, Potentially Exposing Sensitive Client Information from OpenAI and Anthropic

Mercor, a startup providing training data for leading AI firms, confirmed a major security breach originating from a supply chain attack on the widely-used LiteLLM open-source library. Hackers implanted malicious code to steal credentials, with another group claiming access to 4TB of internal data, including source code and potentially sensitive client project information, raising critical concerns about AI supply chain security.

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