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Sanofi US Services

Disclosed May 30, 20242 years ago1,742,019 affectedConfirmed

Official notice

What is known

People affected1,742,019 (as reported by the organization)
DisclosedMay 30, 2024
DiscoveredApr 10, 2024
HappenedFeb 21, 2024
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Sanofi US Servicesoag.ca.gov · Official notice
Washington Attorney General breach notice: Sanofi US Servicesatg.wa.gov · Official notice
Notice letter filed with the Delaware DOJ: Sanofi US Servicesattorneygeneral.delaware.gov · Official notice
Vermont Attorney General: 2024-05-30 Sanofi US Services Data Breach Notice to Consumersago.vermont.gov · Official notice

Notices filed

WhereFiledPeople
Washington AGresidents of WAMay 30, 202424,496
Delaware DOJresidents of DEMay 30, 20246,313
Vermont AGresidents of VTMay 30, 2024
California AGresidents of CAJun 10, 2024
History of this record
  • 2026-09-25 · source: empty to https://ago.vermont.gov/document/2024-05-30-sanofi-us-services-data-breach-notice-consumers · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 1742019 · backfill source
  • 2026-09-25 · sector: other to health · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · disclosed: 2024-06-10 to 2024-05-30 · backfill source
  • 2026-09-25 · discovered: empty to 2024-04-10 · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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