Breachesby GlyphCornerstones of Care
Disclosed Nov 12, 202015,680 affectedConfirmed
The covered entity (CE), Cornerstones of Care, reported that its business associate (BA) experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 15,680 individuals. The ePHI involved included names, addresses, dates of birth, Social Security numbers, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.
What is known
| People affected | 15,680 (as reported to HHS) |
|---|---|
| Disclosed | Nov 12, 2020 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Cornerstones of Care
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.