HHS OCR report ยท 2020
Yale New Haven Hospital data breach
OCR report facts
- Covered entity
- Yale New Haven Hospital
- Entity type
- Healthcare Provider
- State
- Connecticut
- Individuals affected
- 15,904
- Submission date
- Oct 30, 2020
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Yale New Haven Hospital, reported that its business associate experienced a ransomware attack that affected the electronic protected health information (ePHI) of 15, 904 individuals. The ePHI involved included names, addresses, dates of birth, and financial information. The CE notified HHS, affected individuals, and the media. The CE also provided complimentary credit monitoring services.
Text as published on the HHS OCR breach portal.
Other reports by Yale New Haven Hospital
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Yale New Haven Hospital | CT | Healthcare Provider | 19,496 | Jun 17, 2022 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the Yale New Haven Hospital data breach?
The report to HHS OCR lists 15,904 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 30, 2020.
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 New Haven Hospital 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 New Haven Hospital.