All Breaches
January 29, 2024 Verified Sensitive Record Healthcare

Viamedis Data Breach

In late January 2024, French third-party healthcare payment processor Viamedis (viamedis.net) suffered a data breach after attackers phished credentials belonging to healthcare professionals.

33 Million
Affected People
4
Data Types
Critical
Severity
Oct 27, 2026
Last updated

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Exposed Data Types

1 sensitive4
  • Health insurance information
  • Names
  • Dates of birth
  • Government issued IDs

About This Breach

According to an investigation announced by France's data protection authority (CNIL) on February 7, 2024, the breaches affecting Viamedis and Almerys exposed records of more than 33,000,000 insured individuals and beneficiaries, including full names, dates of birth, marital status, French national social security numbers (NIR), health insurer names, and coverage guarantees.

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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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