Meta Platforms indefinitely suspended all operations with AI data startup Mercor.

The decision follows Mercor's confirmation of a security breach involving sensitive training data. Mercor specializes in developing datasets for prominent AI research laboratories.

Two sources confirmed Meta’s decision to implement an indefinite pause on the partnership. The breach potentially exposed proprietary data from multiple high-profile AI firms.

OpenAI and Anthropic are currently assessing their potential exposure to the incident. The security breach has triggered widespread concern across the AI research community.