CNO ACE
Disclosed Oct 25, 2018566,217 affectedConfirmed
The covered entity (CE), CNO ACE, reported that it experienced a cyber-attack that affected the electronic protected health information (ePHI) of 566,217 individuals. The ePHI involved included names, addresses, dates of birth, health insurance information, and Social Security numbers. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect and secure its ePHI.
What is known
| People affected | 566,217 (as reported to HHS) |
|---|---|
| Disclosed | Oct 25, 2018 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Insurance · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at CNO ACE
History of this record
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.