Every public data breach

44 disclosed this week · 26,355 on record

Anthropic

Disclosed Jan 29, 2024Unverified

Contractor mistakenly emailed file of customer names and credit balances to third party

Anthropic told customers a contractor mistakenly sent a file containing a subset of customer names and open credit balances to an unauthorized third party; the company said it was human error and not a breach of its systems.

What is known

People affectedNot stated in the sources we have
DisclosedJan 29, 2024
AttackInsider
Data exposedNamesFinancial
SectorAI · US
StatusUnverified: not yet confirmed by an official notice, a filing or the organization

Sources

Notices filed

Other breaches at Anthropic

History of this record
Added2026-09-25
First recordedby seedSource

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

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