Meta Platforms, Inc.
The suspension is indefinite, with sources indicating other AI labs are also reevaluating ties with Mercor, Wired reported last week, citing two sources.
Mercor plays a critical role in building custom datasets used to train advanced AI systems.
Meta did not immediately respond to Benzinga's request for comments.
OpenAI Investigates, Says User Data Not Impacted
OpenAI, the parent of ChatGPT, has not halted its projects with Mercor but is investigating the incident.
A spokesperson told the publication that the breach in no way affects OpenAI user data, though the company is reviewing whether its proprietary datasets were exposed.
OpenAI and Anthropic did not immediately respond to requests for comment.
Supply Chain Hack Linked To LiteLLM Compromise
The breach appears tied to a compromise of LiteLLM, a widely used AI integration tool.
Cybercriminal group TeamPCP is believed to be behind the attack, which may have impacted thousands of organizations in a broader supply chain campaign.
In an email to staff on March 31, Mercor said, "There was a recent security incident that affected our systems along with thousands of other organizations worldwide."
Confusion Over Hacker Claims, Worker Impact Emerges
A group using the name Lapsus$ also claimed responsibility, though researchers dispute the link, the report said.
However, researchers note that multiple cybercriminal groups now intermittently adopt the Lapsus$ name. They said, Mercor's confirmation of a LiteLLM link suggests the breach was likely carried out by TeamPCP or an affiliated actor.
Mercor did not immediately respond to Benzinga's request for comments
Price Action: META shares closed at $574.46 on Thursday, down 0.82%, according to Benzinga Pro.
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