- State
- MA
- Covered entity type
- Business Associate
- Individuals affected
- 209,048
- Business associate present
- Yes
- Type of breach
- Hacking/IT Incident
- Location of breached information
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
UMass Memorial Health Care, the covered entity (CE), reported that an employee was the subject of an email phishing scheme that affected the protected health information (PHI) of 209,048 individuals. The PHI involved included names, dates of birth, and Social Security numbers. UMass notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, UMass implemented additional administrative, technical, and security safeguards. In addition, UMass retrained its workforce members on email security precautions.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.