Kaiser Foundation Health Plan of Washington

Disclosed Jun 3, 202269,589 affectedConfirmed

The covered entity (CE), Kaiser Foundation Health Plan of Washington, reported that an employee was the victim of an email phishing scheme that compromised the protected health information (PHI) of 69,589 individuals. The PHI involved included names, lab results, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative and technical safeguards and retrained workforce members on email security.

What is known

People affected	69,589 (as reported to HHS)
Disclosed	Jun 3, 2022
Discovered	Apr 5, 2022
Happened	Apr 5, 2022
Attack	Phishing
Data exposed	NamesHealth
Sector	Healthcare · US
Status	Confirmed

Sources

Official noticeatg.wa.gov

Washington Attorney General breach notice: Kaiser Foundation Health Plan of Washington

Official noticeocrportal.hhs.gov

HHS OCR breach report (archive, resolved): Kaiser Foundation Health Plan of Washington (Healthcare Provider, WA)

Notices filed

Residents of WAJun 3, 2022

Washington AG69,589 people

TotalJun 3, 2022

HHS archive69,589 people

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 69589by backfillSource

summary2026-09-25

empty to The covered entity (CE), Kaiser Foundation Health Plan of Washington, reported that an employee was the victim of an email phishing scheme that compromised the protected health information (PHI) of 69,589 individuals. The PHI involved incluby 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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