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Breaches.

Milliman

Disclosed Aug 14, 20233 years ago49,438 affectedConfirmed

Official notice

What is known

People affected49,438 (as reported by the organization)
DisclosedAug 14, 2023
DiscoveredMay 31, 2023
HappenedMay 29, 2023
AttackHacking
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Millimanoag.ca.gov · Official notice
Washington Attorney General breach notice: Millimanatg.wa.gov · Official notice
Oregon DOJ breach notice: Millimanjustice.oregon.gov · Official notice
Indiana Attorney General 2023 data breach report: Millimanin.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CAAug 14, 2023
Washington AGresidents of WAAug 14, 20232,879
Oregon DOJresidents of ORAug 14, 202344,415
Indiana AGresidents of INAug 14, 2023650

Other breaches at Milliman

BreachAffected
Disclosed Aug 6, 2020Aug 6, 20206 years ago570
History of this record
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 49438 · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · discovered: empty to 2023-05-31 · 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.

Everything about Milliman

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