HHS OCR report ยท 2024
Ciox Health LLC, d/b/a Datavant Group data breach
Ciox Health LLC, d/b/a Datavant Group, a business associate in Arizona, reported a breach affecting 320,702 individuals to HHS OCR on Oct 7, 2024.
OCR report facts
- Covered entity
- Ciox Health LLC, d/b/a Datavant Group
- Entity type
- Business Associate
- State
- Arizona
- Individuals affected
- 320,702
- Submission date
- Oct 7, 2024
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- Yes
- Status
- Archive (closed)
Frequently asked questions
How many people were affected by the Ciox Health LLC, d/b/a Datavant Group data breach?
The report to HHS OCR lists 320,702 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 7, 2024.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
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 Ciox Health LLC, d/b/a Datavant 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 Ciox Health LLC, d/b/a Datavant Group.