All Breaches
Almerys Data Breach
In early February 2024, French healthcare third-party payment operator Almerys (almerys.com) detected unauthorized access to its beneficiary verification portal via compromised healthcare provider credentials.
33 Million
Affected People
4
Data Types
Critical
Severity
Oct 27, 2026
Last updated
Exposed Data Types
1 sensitive4- Health insurance information
- Names
- Dates of birth
- Government issued IDs
About This Breach
Official notices issued by the CNIL and Cybermalveillance.gouv.fr confirmed that the attacks on Almerys and Viamedis collectively affected more than 33,000,000 insured individuals in France, exposing full names, dates of birth, French social security numbers (NIR), insurer names, and contract coverage details.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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