The HealthTech Signal

Health Data Breach Tracker/Monthly roundup

Biggest health data breaches: September 2026

In September 2026, 63 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 3,124,282 individuals affected as reported. Hacking/IT Incident was the most common breach type this month, and healthcare provider accounted for the most reports. Counts are as reported to OCR and may overlap across breaches; a listing does not imply wrongdoing.

Breaches reported

63

Individuals affected

3,124,282

Hacking or IT incidents

55

  1. 1Paradigm Healthcare ServicesCA · Business Associate · Hacking/IT Incident · Sep 14, 2026970,403
  2. 2District of Columbia, Department of Health Care FinanceMD · Health Plan · Unauthorized Access/Disclosure · Sep 3, 2026399,086
  3. 3Saber Healthcare GroupOH · Business Associate · Hacking/IT Incident · Sep 25, 2026282,727
  4. 4Ridgeway Pharmacy, LtdMT · Healthcare Provider · Hacking/IT Incident · Sep 21, 2026258,920
  5. 5Tarter Krinsky & Drogin LLPNY · Business Associate · Hacking/IT Incident · Sep 15, 2026196,645
  6. 6Atlantic Digestive Specialists, PLLCNH · Healthcare Provider · Hacking/IT Incident · Sep 30, 2026173,853
  7. 7Clover HealthMN · Health Plan · Hacking/IT Incident · Sep 14, 2026138,677
  8. 8AngMar Management ServicesTX · Business Associate · Hacking/IT Incident · Sep 16, 2026126,196
  9. 9Ultramobile ImagingNY · Healthcare Provider · Hacking/IT Incident · Sep 25, 202675,000
  10. 10Lexington Hospital CorporationTN · Healthcare Provider · Hacking/IT Incident · Sep 8, 202667,000
  11. 11Leggett & Platt, Incorporated Employee Benefit PlanMO · Health Plan · Hacking/IT Incident · Sep 15, 202661,702
  12. 12Paylogix LLCNY · Business Associate · Hacking/IT Incident · Sep 18, 202641,739
  13. 13Three Oaks Hospice, IncorporatedTX · Business Associate · Hacking/IT Incident · Sep 17, 202636,622
  14. 14Universal Dermatology & Vein CareFL · Healthcare Provider · Hacking/IT Incident · Sep 30, 202635,295
  15. 15Trinity HealthMI · Business Associate · Hacking/IT Incident · Sep 30, 202633,234
  16. 16WindRose Health NetworkIN · Healthcare Provider · Hacking/IT Incident · Sep 16, 202633,158
  17. 17Provident Behavioral HealthIL · Healthcare Provider · Hacking/IT Incident · Sep 4, 202625,086
  18. 18Comprehensive Orthopedics & Musculoskeletal Care, LLCCT · Healthcare Provider · Hacking/IT Incident · Sep 10, 202621,897
  19. 19Oculus PathologyTX · Healthcare Provider · Hacking/IT Incident · Sep 2, 202620,040
  20. 20Vernon & Waldrep OB-Gyn AssociatesTX · Healthcare Provider · Hacking/IT Incident · Sep 10, 202617,435
August 2026October 2026All breachesHHS OCR Breach Portal