Checked fact 468413 Nov 2026Safety and security

Notion's timeline says that on the evening of November 2 Fireworks notified Notion that a small set of data had been accessed by malicious actors, and that on investigation that dataset included Notion AI synthetic testing data and no Notion AI customer data.

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On the evening of November 2, Fireworks notified Notion that a small set of data had been accessed by malicious actors. Upon investigation, the dataset included Notion AI synthetic testing data, and no Notion AI customer data was involved.

What the source said when we opened it, on 13 Nov 2026.

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Notion: Fireworks AI incident (security advisory, updated 12 November 2026)
Notion Labs · 2026-11-10

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Checked by the notis newsroom on 13 Nov 2026, against the source above.

In the story

Notion says Fireworks AI breach affected under 1% of its workspaces 13 Nov 2026

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“Notion's timeline says that on the evening of November 2 Fireworks notified Notion that a small set of data had been accessed by malicious actors, and that on investigation that dataset included Notion AI synthetic testing data and no Notion AI customer data.” ai notis, checked 13 Nov 2026. Source: Notion: Fireworks AI incident (security advisory, updated 12 November 2026) (Notion Labs). https://ainotis.com/c/4684

As a reference (APA style)

ai notis. (2026, November 13). Notion's timeline says that on the evening of November 2 Fireworks notified Notion that a small set of data had been accessed by malicious actors, and that on investigation that dataset included Notion AI synthetic testing data and no Notion AI customer data [Checked claim 4684]. ai notis. https://ainotis.com/c/4684

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