Regulator-posted notice

Breach notice filed by University of California, San Francisco (April 2023)

Organization named: University of California, San Francisco Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of April 26, 2023.

Organization as reported: University of California, San Francisco, CA
Entity type as reported: Healthcare Provider
Category as reported: Hacking/IT Incident
Location of information as reported: Email
Submission date: April 26, 2023
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 10772, row:1911)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), University of California, San Francisco, reported that an employee was the subject of an email phishing attack that affected the protected health information (PHI) of 676 individuals. The PHI involved included names, dates of birth, diagnoses/conditions, and other treatment information. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE implemented additional administrative, technical, and security safeguards and retrained its workforce members to better protect its PHI.
The source's own words, from the revision above.

Figures, per source

676 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date April 26, 2023, revision observed 2026-10-18.

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.

2023-04-26Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 10772)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

University of California, San Francisco Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

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

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