BreachScout BreachScout Breach Records

Regulator-posted notice

Breach notice filed by Prosser School District (March 2025)

Organization named: Prosser School District 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 March 21, 2025.

Organization as reported
Prosser School District
Information types as reported
Name; Social Security Number; Full Date of Birth; Student ID Number; Health Insurance Policy or ID Number; Medical Information; Username and Password/Security Question Answers
Incident dates as reported
June 29, 2024
Submission date
March 21, 2025
Observed by BreachRecords
2026-10-19 04:56 UTC (revision 25452, page:7: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 March 21, 2025.

Organization as reported
Prosser School District, WA
Entity type as reported
Education
Category as reported
Cyberattack; Ransomware
Incident dates as reported
June 29, 2024 to July 3, 2024
Discovery date as reported
July 3, 2024
Submission date
March 21, 2025
Observed by BreachRecords
2026-11-01 20:03 UTC (revision 63636, row:1352)
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

  • 963 individuals affected (residents of the reporting state), according to the Washington Attorney General data breach notifications, source date March 21, 2025, revision observed 2026-10-19.
  • 963 individuals affected (residents of the reporting state), according to the Washington data breach notifications dataset, source date March 21, 2025, 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 25452)
  • Observed by BreachRecords (revision 63636)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Prosser School District 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
  • 7846fbf5b766ec4caf0431e14d89f2e8cedd98c8330c5e69b5d5128556ba3e8a
    text/html, 155,889 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

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 Prosser School District (March 2025). We acknowledge every request within two business days. We reply by email.

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