Ciox Health (Datavant Group) breach: 320,702 individuals affected — email data exposed
If your organisation uses Ciox Health LLC (doing business as Datavant Group) for data services, you may be affected by a significant security incident. This Business Associate reported a hacking/IT incident to HHS OCR on 10/07/2024. The filing lists 320,702 individuals affected. Protected health information was exposed via email. Because Datavant is a Business Associate, your own compliance obligations depend on your specific contract and data flow. Verify if you share data with this entity and review your Business Associate Agreement for notification requirements.
Sources differ:
- The HHS OCR breach portal lists 320,702 individuals; news and settlement coverage of the Maine Attorney General filing reports about 49,454 people affected, and a class action settlement of $900,000 was reported.
Primary sources: HHS OCR Breach Portal — Ciox Health LLC, d/b/a Datavant Group (AZ) · reported 10/07/2024 · 320,702 individuals, Maine Attorney General — Data Breach Notice, Datavant Group / Ciox Health · Checked against the record 2026-10-04