Riverdale Mental Health
Disclosed Sep 25, 20233 years ago7,281 affectedConfirmed
Riverdale Mental Health dba Mosaic Mental Health, the covered entity (CE), reported that it experienced a hacking attack that compromised the protected health information (PHI) of 7,281 individuals. The PHI involved included names, addresses, dates of birth, and Social Security numbers. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its sensitive data.
What is known
| People affected | 7,281 (as reported to HHS) |
|---|---|
| Disclosed | Sep 25, 2023 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Riverdale Mental Health (Healthcare Provider, NY)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Sep 25, 2023 | 7,281 |
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.