Regulator-posted notice

Breach notice filed by California Northstate University (December 2023)

Organization named: California Northstate University

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 Dec. 21, 2023.

Organization as reported: California Northstate University
Information types as reported: Name; Social Security Number; Driver's License or Washington ID Card Number; Financial & Banking Information; Full Date of Birth; Passport Number; Medical Information
Incident dates as reported: Feb. 12, 2023
Submission date: Dec. 21, 2023
Observed by BreachRecords: 2026-10-19 04:56 UTC (revision 25750, page:13: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 Dec. 21, 2023.

Organization as reported: California Northstate University, CA
Entity type as reported: Education
Category as reported: Cyberattack; Ransomware
Incident dates as reported: Feb. 12, 2023 to Feb. 13, 2023
Discovery date as reported: Nov. 2, 2023
Submission date: Dec. 21, 2023
Observed by BreachRecords: 2026-11-01 20:03 UTC (revision 63346, row:1062)
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

5,694 individuals affected (residents of the reporting state), according to the Washington Attorney General data breach notifications, source date Dec. 21, 2023, revision observed 2026-10-19.
5,694 individuals affected (residents of the reporting state), according to the Washington data breach notifications dataset, source date Dec. 21, 2023, 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.

2023-12-21Submission date (Washington Attorney General data breach notifications)
2023-12-21Submission date (Washington data breach notifications dataset)
2026-10-19Observed by BreachRecords (revision 25750)
2026-11-01Observed by BreachRecords (revision 63346)
2026-11-04Approved by a reviewer

Organizations linked by a reviewer

California Northstate University Named as the filer Linked 2026-11-04, method name exact.

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
be387044a4a4a602d20a93c20bb8ff4cf728b814c7b3b454c61cf8ed7ec223a2
text/html, 155,474 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.

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