Mercor
Disclosed Mar 31, 2026Unverified
AI training data contractor hit via compromised LiteLLM open source package
Mercor, which supplies expert-generated training data to AI labs, confirmed a security incident tied to TeamPCP's compromise of the LiteLLM project while Lapsus$ claimed to hold its data. WIRED reported Meta paused work with Mercor over fears proprietary training datasets were exposed.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Mar 31, 2026 |
| Attack | Supply chain |
| Data exposed | Training dataInternal documents |
| Sector | AI · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
Notices filed
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.