HHS OCR report ยท 2021
University of Maryland, Baltimore data breach
OCR report facts
- Covered entity
- University of Maryland, Baltimore
- Entity type
- Business Associate
- State
- Maryland
- Individuals affected
- 37,263
- Submission date
- Jul 2, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The business associate (BA), University of Maryland, Baltimore, reported that its vendor experienced a cyber-attack that affected the protected health information (PHI) of approximately 37,263 individuals. The PHI involved included names, dates of birth, addresses, claims information, diagnoses and conditions, lab results, medications prescribed, and other treatment information. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, t...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the University of Maryland, Baltimore data breach?
The report to HHS OCR lists 37,263 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 2, 2021.
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 University of Maryland, Baltimore 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 Maryland, Baltimore.