Breachesby GlyphKing County Public Hospital District No. 2
Disclosed Jul 13, 202122,579 affectedConfirmed
The covered entity (CE), King County Public Hospital District No. 2 dba EvergreenHealth, reported that is business associate suffered a ransomware attack affecting the protected health information (PHI) of 20,533 individuals. The PHI involved included names, diagnoses, medications prescribed, dates of birth, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional technical safeguards to better protected its PHI.
What is known
| People affected | 22,579 (as reported to HHS) |
|---|---|
| Disclosed | Jul 13, 2021 |
| Discovered | Mar 1, 2022 |
| Happened | Dec 4, 2021 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
20533 to 22579by backfillSource
2022-04-22 to 2021-07-13by backfillSource
[] to ["names","health"]by backfillSource
empty to hhsby backfillSource
empty to 20533by backfillSource
empty to The covered entity (CE), King County Public Hospital District No. 2 dba EvergreenHealth, reported that is business associate suffered a ransomware attack affecting the protected health information (PHI) of 20,533 individuals. The PHI involvby backfillSource
First recordedby backfillSource
First seen 2026-09-25 (Washington AG), confirmed by Washington AG. Record counts are as reported. Not legal advice.