Type Incident
Notion Customer Data Compromised in Fireworks AI Hack
1 source
At a glance
Low
30-day window, from the last update
Evidence-weighted, not popularity
Why Low
Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
- IT leaders should assess the potential impact of this breach on their organisation's data security.
Questions to ask IT
- Does this reporting name any supplier, product or service we rely on?
- Would our monitoring spot an attack like this, and who would we call if it did?
Next steps
- Confirm whether the affected organisation is a supplier or partner, and what contingency exists
- The breach involves chat transcripts from a small percentage of Notion workspaces.
Next steps
- Check whether the affected organisation or service is in your estate or supply chain, and follow its guidance
Summary
- Notion has reported that chat transcripts from fewer than 1% of its workspaces were accessed by attackers.
Pulse
Last change 1h ago · Next recheck 12 Nov 2026, 13:28 UK time
- Story12 Nov 2026, 11:28 UK time · 1h ago
Linked reporting from SecurityWeek (independent original reporting).
Read source (SecurityWeek)
1 entry so far. The timeline chart appears once this story has more history.
Sources
- SecurityWeekNews
Notion Customer Data Compromised in Fireworks AI Hack
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Notion Customer Data Compromised in Fireworks AI Hack
- ProbableSummary fact75% confidence
The attackers accessed chat transcripts for fewer than 1% of Notion workspaces.