Regulator-posted notice

Breach notice filed by Ciox Health LLC, d/b/a Datavant Group (October 2024)

Organization named: Ciox Health LLC, d/b/a Datavant Group Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of Oct. 7, 2024.

Organization as reported: Ciox Health LLC, d/b/a Datavant Group, AZ
Entity type as reported: Business Associate
Category as reported: Hacking/IT Incident
Location of information as reported: Email
Submission date: Oct. 7, 2024
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 9673, row:812)
Archived copy: Held in the private archive (provenance)

Figures, per source

320,702 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Oct. 7, 2024, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

2024-10-07Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 9673)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Ciox Health LLC, d/b/a Datavant Group Named as a service provider Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
text/csv, 5,530,996 bytes, from the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), retrieved 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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