Regulator-posted notice

Breach notice filed by King County Public Hospital District No. 2 (April 2022)

Organization named: King County Public Hospital District No. 2 Provisional: identity as filed, not yet matched to the directory

What the sources say

Washington Attorney General data breach notifications Primary notice

Posted on the Washington Attorney General data breach notifications with a submission date of April 22, 2022.

Organization as reported: King County Public Hospital District No. 2
Information types as reported: Name; Full Date of Birth; Medical Information; Other
Incident dates as reported: Dec. 4, 2021
Submission date: April 22, 2022
Observed by BreachRecords: 2026-10-19 04:57 UTC (revision 26153, page:21:row:13)
Archived copy: Held in the private archive (provenance)

The listing records a filing with the agency; it is not a finding by the agency.

Washington data breach notifications dataset (data.wa.gov sb4j-ca4h) Duplicate filing

Posted on the Washington data breach notifications dataset with a submission date of April 22, 2022.

Organization as reported: King County Public Hospital District No. 2, WA
Entity type as reported: Health
Category as reported: Cyberattack; Other
Incident dates as reported: Dec. 4, 2021 to Dec. 4, 2021
Discovery date as reported: March 1, 2022
Submission date: April 22, 2022
Observed by BreachRecords: 2026-11-01 20:03 UTC (revision 62987, row:703)
Extraction: Parsed from a document; extraction confidence 0.85
Archived copy: Held in the private archive (provenance)

The listing records a filing with the agency; it is not a finding by the agency.

Figures, per source

19,092 individuals affected (residents of the reporting state), according to the Washington Attorney General data breach notifications, source date April 22, 2022, revision observed 2026-10-19.
19,092 individuals affected (residents of the reporting state), according to the Washington data breach notifications dataset, source date April 22, 2022, revision observed 2026-11-01.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

2022-04-22Submission date (Washington Attorney General data breach notifications)
2022-04-22Submission date (Washington data breach notifications dataset)
2026-10-19Observed by BreachRecords (revision 26153)
2026-11-01Observed by BreachRecords (revision 62987)
2026-11-04Approved by a reviewer

Organizations linked by a reviewer

King County Public Hospital District No. 2 Named as the filer Provisional: identity as filed, not yet matched to the directory Linked 2026-11-04, method manual.

Archived evidence

1d353d30502b7e691c031450b7edb1aacfd6c2fc233b8544f2a3b4864a9cf0da
text/html, 155,448 bytes, retrieved from Washington Attorney General data breach notifications, 2026-10-19 04:57 UTC. Archived privately · Provenance · Source page
264d45f73831ec8fc298837002b836f792a7cfd7f3d6b4d2128484a23223c042
text/csv, 453,656 bytes, retrieved from Washington data breach notifications dataset, 2026-11-01 20:03 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by King County Public Hospital District No. 2 (April 2022). We acknowledge every request within two business days. We reply by email.

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