Kaiser Foundation Health Plan of Washington
Disclosed Jun 3, 20224 years ago69,589 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 | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Washington Attorney General breach notice: Kaiser Foundation Health Plan of Washingtonatg.wa.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Kaiser Foundation Health Plan of Washington (Healthcare Provider, WA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Washington AGresidents of WA | Jun 3, 2022 | 69,589 |
| HHS archivetotal | Jun 3, 2022 | 69,589 |
History of this record
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: empty to hhs · backfill source
- 2026-09-25 · records: empty to 69589 · backfill source
- 2026-09-25 · summary: 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 inclu · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Washington AG), confirmed by Washington AG. Record counts are as reported. Not legal advice.
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