Optum360
Disclosed Jul 1, 20197 years ago11,500,000 affectedConfirmed
The covered entity (CE), Optum360, reported that its business associate (BA) was the victim of a cyber-attack that affected the electronic protected health information (ePHI) 11,574,452 individuals. The ePHI involved included names, addresses, phone numbers, dates of birth, Social Security numbers, financial information, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice to its website. Following the discovery of the breach, the CE terminated its business relationship with the BA.
What is known
| People affected | 11,500,000 (as reported to HHS) |
|---|---|
| Disclosed | Jul 1, 2019 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Optum360 (Business Associate, MN)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Jul 1, 2019 | 11,500,000 |
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.