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Regulator-posted notice

Breach notice filed by Columbia Bank (April 2026)

Organization named: Columbia Bank 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 17, 2026.

Organization as reported
Columbia Bank
Information types as reported
Name; Social Security Number; Driver's License or Washington ID Card Number; Financial & Banking Information; Full Date of Birth; Username and Password/Security Question Answers
Incident dates as reported
Oct. 2, 2025
Submission date
April 17, 2026
Observed by BreachRecords
2026-10-19 04:56 UTC (revision 25204, page:2:row:9)
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 17, 2026.

Organization as reported
Columbia Bank, WA
Entity type as reported
Finance
Category as reported
Theft or Mistake
Incident dates as reported
Oct. 2, 2025 to Dec. 22, 2025
Discovery date as reported
Dec. 19, 2025
Submission date
April 17, 2026
Observed by BreachRecords
2026-11-01 20:03 UTC (revision 63863, row:1579)
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

  • 1,607 individuals affected (residents of the reporting state), according to the Washington Attorney General data breach notifications, source date April 17, 2026, revision observed 2026-10-19.
  • 1,607 individuals affected (residents of the reporting state), according to the Washington data breach notifications dataset, source date April 17, 2026, 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 25204)
  • Observed by BreachRecords (revision 63863)
  • Approved by a reviewer

Organizations linked by a reviewer

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

Archived evidence

  • 264d45f73831ec8fc298837002b836f792a7cfd7f3d6b4d2128484a23223c042
    text/csv, 453,656 bytes, retrieved from Washington data breach notifications dataset, 2026-11-01 20:03 UTC. Archived privately · Provenance · Source page
  • a9596761869f60370551b1001620c011e8b892d25f440e408d3928a09f7fd57f
    text/html, 154,668 bytes, retrieved from Washington Attorney General data breach notifications, 2026-10-19 04:56 UTC. Archived privately · Provenance · Source page

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

Request a correction

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