Umass Memorial Medical Center
Disclosed Sep 14, 202087,404 affectedConfirmed
The covered entity (CE), UMass Memorial Medical Center, reported that its business associate experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 87,404 individuals. The ePHI involved included names, addresses, dates of birth, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.
What is known
| People affected | 87,404 (as reported to HHS) |
|---|---|
| Disclosed | Sep 14, 2020 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Umass Memorial Medical Center
History of this record
First recordedby backfillSource
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.