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47 disclosed this week · 26,367 on record

Virginia Mason Medical Center

Disclosed Sep 8, 2020244,761 affectedConfirmed

Official notice

The covered entity (CE), Virginia Mason Medical Center, reported that its business associate experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 244,761 individuals. The ePHI involved included names, addresses, dates of birth, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.

What is known

People affected244,761 (as reported to HHS)
DisclosedSep 8, 2020
DiscoveredJul 16, 2020
HappenedFeb 7, 2020
AttackRansomware
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Virginia Mason Medical Center

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 244761by backfillSource
summary2026-09-25
empty to The covered entity (CE), Virginia Mason Medical Center, reported that its business associate experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 244,761 individuals. The ePHI involveby backfillSource
Added2026-09-25
First recordedby backfillSource

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

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