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Notion AI chat transcripts exposed in Fireworks AI breach

Original title: Notion Customer Data Compromised in Fireworks AI Hack

SecurityWeekby Ionut Arghire ()1 min read1
Part of a story covered by 16 sourcesFireworks AI breach exposes Notion, Uber and Cursor dataMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

Fewer than 1% of Notion workspaces were affected, and most transcripts cannot be tied to a customer.

Notion is notifying a small set of customers that Notion AI data was accessed in a Fireworks AI breach. Fireworks was hacked twice in October, once with compromised internal credentials and once through a third-party cloud host of R&D machines. On October 24 attackers ran an unauthorized workload; Fireworks contained it that day and notified Notion on November 2. Accessed data was Notion AI chat transcripts used for the Insights feature.

Unconfirmed: Notion did not disclose how many customers were affected.

Key facts
  • Fireworks was breached twice in October, including through compromised internal credentials.
  • The October 24 incident involved an unauthorized workload on hosted R&D machines.
  • Fireworks contained that incident the same day and notified Notion on November 2.
  • Notion had used Fireworks as an inference provider for open-weight models.
Security assessment · AI, from the article

Impact: Notion AI chat transcripts, possibly including pasted secrets

ProductAffected
Notion AI—
What to do
  1. 1.Rotate passwords, API keys, or other credentials pasted into Notion AI.
Analyze this story with Vani AIImpact, who is affected and what defenders should do, in a new chat

From the original article

1 min read at securityweek.com

The attackers accessed chat transcripts for fewer than 1% of Notion workspaces. Most transcripts were unattributable. The post Notion Customer Data Compromised in Fireworks AI Hack appeared first on SecurityWeek.

SecurityWeek

By Ionut Arghire · securityweek.com

Read the full article at SecurityWeek

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.