Breachesby GlyphMultiCare Health System
Disclosed Aug 21, 2020179,189 affectedConfirmed
The covered entity (CE), MultiCare Health System, reported that its business associate experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 179,189 individuals. The ePHI involved included names, dates of birth, clinical information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.
What is known
| People affected | 179,189 (as reported to HHS) |
|---|---|
| Disclosed | Aug 21, 2020 |
| Discovered | Jul 16, 2020 |
| Happened | Feb 7, 2020 |
| Attack | Ransomware |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at MultiCare Health System
History of this record
[] to ["names","health"]by backfillSource
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empty to The covered entity (CE), MultiCare Health System, reported that its business associate experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 179,189 individuals. The ePHI involved inclby backfillSource
First recordedby backfillSource
First seen 2026-09-25 (Washington AG), confirmed by Washington AG. Record counts are as reported. Not legal advice.