HHS OCR report ยท 2023
Onix Group data breach
Onix Group, a business associate in Pennsylvania, reported a breach affecting 387,830 individuals to HHS OCR on May 26, 2023.
OCR report facts
- Covered entity
- Onix Group
- Entity type
- Business Associate
- State
- Pennsylvania
- Individuals affected
- 387,830
- Submission date
- May 26, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
Frequently asked questions
How many people were affected by the Onix Group data breach?
The report to HHS OCR lists 387,830 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on May 26, 2023.
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 Onix Group 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 Onix Group.