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King County Public Hospital District No. 2 d/b/a EvergreenHealth
ArchivedSubmitted 07/13/2021
Updated 19 hours ago ()
- State
- WA
- Covered entity type
- Healthcare Provider
- Individuals affected
- 22,579
- Business associate present
- Yes
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- Sep 23, 2026
- Last seen in OCR export
- Oct 25, 2026
OCR description
The covered entity (CE), King County Public Hospital District No. 2, dba EvergreenHealth, reported that its business associate (BA) experienced a cyber-attack that affected the electronic protected health information (ePHI) of 22,579 individuals. The ePHI involved included names, dates of birth, health insurance and financial information, and treatment information. The CE notified HHS, affected individuals, and the media.
Change history
- Sep 23, 2026Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source
Records are reproduced as published; entity names and figures are OCR's.