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Regulator-posted notice

Breach notice filed by UC Davis Health (July 2023)

Organization named: UC Davis Health 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 OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of July 28, 2023.

Organization as reported
UC Davis Health, CA
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Email
Submission date
July 28, 2023
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 10561, row:1700)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), UC Davis Health, reported that an employee was the subject of an email phishing attack that compromised the protected health information (PHI) of 3,201 individuals. The PHI involved included names, dates of birth, Social Security numbers, diagnoses, and medications. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards.

The source's own words, from the revision above.

Figures, per source

  • 3,201 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date July 28, 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.

  • Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
  • Observed by BreachRecords (revision 10561)
  • Approved by a reviewer

Organizations linked by a reviewer

  • UC Davis Health 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, from the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), retrieved 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.

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 UC Davis Health (July 2023). We acknowledge every request within two business days. We reply by email.

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