Breachesby GlyphRiverside Health System
Disclosed Sep 11, 202054,151 affectedConfirmed
The covered entity (CE), Riverside Health System, reported that its business associate experienced a ransomware attack that affected the electronic protected health information (ePHI) of approximately 54,141 individuals. The ePHI involved included names, dates of birth, and addresses. The CE notified HHS, affected individuals, the media, and provided substitute notice.
What is known
| People affected | 54,151 (as reported to HHS) |
|---|---|
| Disclosed | Sep 11, 2020 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Riverside Health System
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.