Medical Mutual of Ohio
Disclosed Sep 15, 20176,119 affectedConfirmed
The covered entity (CE), Medical Mutual of Ohio, reported that an employee inadvertently emailed the protected health information (PHI) of 6,119 individuals to the wrong email address. The PHI involved included names, addresses, dates of birth, Social Security numbers, health insurance information, clinical information, and treatment information. The CE notified HHS, affected individuals, the media, and provided complimentary credit monitoring and identity restoration services. Following the breach, the CE implemented additional administrative and technical safeguards to better protect its PHI. OCR obtained assurances that the CE implemented the corrective actions noted.
What is known
| People affected | 6,119 (as reported to HHS) |
|---|---|
| Disclosed | Sep 15, 2017 |
| Attack | Insider |
| Data exposed | NamesHealth |
| Sector | Insurance · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Medical Mutual of Ohio
History of this record
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.