Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Expert MRI

Disclosed Oct 31, 2025209,560 affectedConfirmed

Official notice

What is known

People affected209,560 (as reported to HHS)
DisclosedOct 31, 2025
HappenedAug 14, 2025
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Expert MRI
Official noticeocrportal.hhs.gov
HHS OCR breach report: Expert MRI (Healthcare Provider, CA)

Notices filed

TotalOct 31, 2025
HHS OCR209,560 people
Residents of CAMar 23
California AGCount not stated
History of this record
sector2026-09-25
other to healthby backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 209560by backfillSource
disclosed2026-09-25
2026-03-23 to 2025-10-31by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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