Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Washington Gastroenterology

Disclosed May 9, 2025501 affectedConfirmed

Official notice

What is known

People affected501 (as reported to HHS)
DisclosedMay 9, 2025
DiscoveredMar 10, 2025
HappenedOct 23, 2024
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Washington Gastroenterology
Official noticeatg.wa.gov
Washington Attorney General breach notice: Washington Gastroenterology
Official noticeocrportal.hhs.gov
HHS OCR breach report: Washington Gastroenterology (Healthcare Provider, WA)

Notices filed

TotalMay 9, 2025
HHS OCR501 people
Residents of WAMay 23, 2025
Washington AG556,349 people
Residents of CAAug 22, 2025
California AGCount not stated
History of this record
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 501by backfillSource
disclosed2026-09-25
2025-05-23 to 2025-05-09by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
disclosed2026-09-25
2025-08-22 to 2025-05-23by backfillSource
discovered2026-09-25
empty to 2025-03-10by 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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