Breachesby GlyphMeta
Disclosed Mar 8, 2023Unverified
Meta's LLaMA research model weights leaked on 4chan a week after release
Meta's LLaMA language model, offered only to approved researchers on request, was leaked via a torrent posted on 4chan about a week after its announcement, making the weights freely downloadable.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Mar 8, 2023 |
| Attack | Not stated |
| Data exposed | Other |
| Sector | Tech · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
Notices filed
Other breaches at Meta
Employee keystroke and screen data collected to train AI was widely exposed inside MetaExposed data exposed employment records, prompts and chats, messages and training data. Reported to the California AG.Exposed dataTechUSJun 5Meta AI bug let users view other people's private prompts and responsesExposed data exposed prompts and chats.Exposed dataTechUSUnverifiedJul 15, 2025Meta AI app Discover feed surfaced users' personal chatbot conversationsExposed data exposed prompts and chats, addresses, phone numbers, health records and location data.Exposed dataTechUSUnverifiedJun 12, 2025
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.