HHS OCR report · 2022
Yale University data breach
OCR report facts
- Covered entity
- Yale University
- Entity type
- Healthcare Provider
- State
- Connecticut
- Individuals affected
- 9,051
- Submission date
- Nov 11, 2022
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Yale University, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 9,051 individuals. The PHI involved included names, Social Security numbers, addresses, drivers’ license numbers, dates of birth, financial and claims information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, t...
Text as published on the HHS OCR breach portal.
Other reports by Yale University
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Yale University | CT | Healthcare Provider | 1,102 | Oct 17, 2018 | Unauthorized Access/Disclosure | Archive (closed) |
| Yale University | CT | Healthcare Provider | 1,000 | Aug 18, 2010 | Theft | Archive (closed) |
Frequently asked questions
How many people were affected by the Yale University data breach?
The report to HHS OCR lists 9,051 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Nov 11, 2022.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Yale University legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Yale University.