COSE Healthcloud Solutions
Disclosed Mar 31, 20251 year ago2,606 affectedConfirmed
The business associate (BA), COSE Healthcloud Solutions, reported that an employee was the target of an email phishing scheme that affected the protected heath information (PHI) of 2,606 individuals. The PHI involved included dates of birth, medical record numbers, health insurance information and medical treatment information. The BA notified HHS, affected covered entities, and affected individuals. In response to the breach, the BA conducted employee training and implemented additional administrative, technical, and security safeguards.
What is known
| People affected | 2,606 (as reported to HHS) |
|---|---|
| Disclosed | Mar 31, 2025 |
| Attack | Insider |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): COSE Healthcloud Solutions (Healthcare Clearing House, AZ)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Mar 31, 2025 | 2,606 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.