Mariner Management Group
Disclosed Nov 8, 20232 years ago1,756 affectedConfirmed
The covered entity (CE), Mariner Management Group, reported that it experienced a cyberattack that affected the protected health information (PHI) of 1,756 individuals. The PHI involved included names, addresses, Social Security numbers, claims information, diagnoses and conditions, and medications. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional technical safeguards to better protect PHI.
What is known
| People affected | 1,756 (as reported to HHS) |
|---|---|
| Disclosed | Nov 8, 2023 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Mariner Management Group (Healthcare Provider, OH)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Nov 8, 2023 | 1,756 |
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.