HHS OCR report ยท 2019
Optum360, LLC data breach
OCR report facts
- Covered entity
- Optum360, LLC
- Entity type
- Business Associate
- State
- Minnesota
- Individuals affected
- 11,500,000
- Submission date
- Jul 1, 2019
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
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, ...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Optum360, LLC data breach?
The report to HHS OCR lists 11,500,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jul 1, 2019.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Optum360, LLC legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Optum360, LLC.