Fireworks AI Confirms Wider Breach Affecting Notion AI Chats Published on 2026-11-10T23:00:00Z Fireworks AI says its October breach was broader than initially disclosed, with attackers gaining access to customer account and billing information as well as some datasets, incomplete model weights and secrets. Notion, the popular productivity and note-taking app, disclosed that it was impacted in the breach but "fewer than 1% of Notion workspaces" were involved. "Upon analysis of the new data, we discovered that it included Notion AI chat transcripts used for the Insights feature, which for the vast majority of impacted workspaces were unattributable," it said. "'Unattributable' means the chats weren't labeled with who wrote them or which workspace they came from, and the transcripts did not contain tool call results." The Hacker News reports: In a notice published on October 10, 2026, [Fireworks AI] said it detected unauthorized use of internal ...
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