Regulator-posted notice

Breach notice filed by The Johns Hopkins University (July 2023)

Organization named: Johns Hopkins 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 July 25, 2023.

Organization as reported: The Johns Hopkins University
Information types as reported: Name; Social Security Number; Full Date of Birth; Health Insurance Policy or ID Number; Medical Information
Incident dates as reported: May 29, 2023
Submission date: July 25, 2023
Observed by BreachRecords: 2026-10-19 04:57 UTC (revision 25900, page:16: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 July 25, 2023.

Organization as reported: The Johns Hopkins University, MD
Entity type as reported: Education
Category as reported: Cyberattack; Other
Incident dates as reported: May 29, 2023 to May 29, 2023
Discovery date as reported: May 31, 2023
Submission date: July 25, 2023
Observed by BreachRecords: 2026-11-01 20:03 UTC (revision 63215, row:931)
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

608 individuals affected (residents of the reporting state), according to the Washington Attorney General data breach notifications, source date July 25, 2023, revision observed 2026-10-19.
608 individuals affected (residents of the reporting state), according to the Washington data breach notifications dataset, source date July 25, 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.

2023-07-25Submission date (Washington Attorney General data breach notifications)
2023-07-25Submission date (Washington data breach notifications dataset)
2026-10-19Observed by BreachRecords (revision 25900)
2026-11-01Observed by BreachRecords (revision 63215)
2026-11-04Approved by a reviewer

Organizations linked by a reviewer

Johns Hopkins 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
4380cd31e632b59162c3f00be240b4ca9a2196544291b55534b4d9c633e493ec
text/html, 154,496 bytes, retrieved from Washington Attorney General data breach notifications, 2026-10-19 04:57 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 The Johns Hopkins University (July 2023). We acknowledge every request within two business days. We reply by email.

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