Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

MedRevenu

Disclosed Mar 21, 202517,775 affectedConfirmed

Official notice

What is known

People affected17,775 (as reported to HHS)
DisclosedMar 21, 2025
HappenedDec 3, 2024
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: MedRevenu
Official noticeocrportal.hhs.gov
HHS OCR breach report: MedRevenu (Business Associate, CA)

Notices filed

TotalMar 21, 2025
HHS OCR17,775 people
Residents of CAFeb 3
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 17775by backfillSource
disclosed2026-09-25
2026-02-03 to 2025-03-21by 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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