HHS OCR report ยท 2017
University of Mississippi Medical Center data breach
OCR report facts
- Covered entity
- University of Mississippi Medical Center
- Entity type
- Healthcare Provider
- State
- Mississippi
- Individuals affected
- 7,492
- Submission date
- Jul 7, 2017
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Electronic Medical Record, Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), the University of Mississippi Medical Center, discovered that data on a segregated network server had been encrypted by ransomware on May 7, 2017. After an internal investigation, it was determined that the server contained data from a previous electronic medical record which had last been used around May 2016. The breach affected the demographic, clinical, and health insurance information of 7,492 individuals. The CE provided breach notification to HHS, affected i...
Text as published on the HHS OCR breach portal.
Other reports by University of Mississippi Medical Center
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| University of Mississippi Medical Center | MS | Healthcare Provider | 500 | Mar 21, 2013 | Loss | Archive (closed) |
Frequently asked questions
How many people were affected by the University of Mississippi Medical Center data breach?
The report to HHS OCR lists 7,492 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 7, 2017.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Electronic Medical Record, 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 University of Mississippi Medical Center 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 University of Mississippi Medical Center.