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Regulator-posted notice

Breach notice filed by Premera Blue Cross (July 2022)

Organization named: Premera Blue Cross 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 July 18, 2022.

Organization as reported
Premera Blue Cross
Information types as reported
Name; Health Insurance Policy or ID Number; Medical Information
Incident dates as reported
April 27, 2022
Submission date
July 18, 2022
Observed by BreachRecords
2026-10-19 04:57 UTC (revision 26111, page:20:row:20)
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 July 18, 2022.

Organization as reported
Premera Blue Cross, WA
Entity type as reported
Health
Category as reported
Cyberattack; Ransomware
Incident dates as reported
April 27, 2022 to May 12, 2022
Discovery date as reported
April 29, 2022
Submission date
July 18, 2022
Observed by BreachRecords
2026-11-01 20:03 UTC (revision 63030, row:746)
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

  • 1,303 individuals affected (residents of the reporting state), according to the Washington Attorney General data breach notifications, source date July 18, 2022, revision observed 2026-10-19.
  • 1,303 individuals affected (residents of the reporting state), according to the Washington data breach notifications dataset, source date July 18, 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.

  • Submission date (Washington Attorney General data breach notifications)
  • Submission date (Washington data breach notifications dataset)
  • Observed by BreachRecords (revision 26111)
  • Observed by BreachRecords (revision 63030)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Premera Blue Cross Named as the filer Provisional: identity as filed, not yet matched to the directory Linked 2026-11-04, method manual.

Archived evidence

  • 03d64684ab8b86594b11cb96773ce07dd6b5bcd85f8da894b2d675291759fdc5
    text/html, 154,440 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 Premera Blue Cross (July 2022). We acknowledge every request within two business days. We reply by email.

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