The HealthTech Signal

Health Data Breach Tracker/Monthly roundup

Biggest health data breaches: November 2025

In November 2025, 50 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 2,132,213 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

50

Individuals affected

2,132,213

Hacking or IT incidents

37

  1. 1Med Atlantic, Inc.VA · Business Associate · Hacking/IT Incident · Nov 21, 2025410,326
  2. 2VITAS Hospice Services, LLCFL · Healthcare Provider · Hacking/IT Incident · Nov 24, 2025319,177
  3. 3Fieldtex Products, Inc.NY · Business Associate · Hacking/IT Incident · Nov 20, 2025238,615
  4. 4Delta Dental of VirginiaVA · Health Plan · Hacking/IT Incident · Nov 21, 2025126,953
  5. 5Richmond Behavioral Health AuthorityVA · Healthcare Provider · Hacking/IT Incident · Nov 28, 2025113,232
  6. 6Persante Health CareNJ · Business Associate · Hacking/IT Incident · Nov 26, 2025111,815
  7. 7Denton MHMR CenterTX · Healthcare Provider · Hacking/IT Incident · Nov 5, 2025108,967
  8. 8NS Support, LLCID · Healthcare Provider · Hacking/IT Incident · Nov 21, 202592,845
  9. 9Spindletop CenterTX · Healthcare Provider · Hacking/IT Incident · Nov 28, 202588,863
  10. 10Central Kansas Mental Health CenterKS · Healthcare Provider · Hacking/IT Incident · Nov 25, 202580,860
  11. 11Anchorage Neighborhood Health CenterAK · Healthcare Provider · Hacking/IT Incident · Nov 19, 202570,555
  12. 12Davies, McFarland & Carroll LLCPA · Business Associate · Hacking/IT Incident · Nov 24, 202554,712
  13. 13Morton Drug CompanyWI · Healthcare Provider · Hacking/IT Incident · Nov 10, 202540,051
  14. 14Marshfield Clinic Health SystemWI · Healthcare Provider · Hacking/IT Incident · Nov 7, 202535,952
  15. 15Wyandot Behavioral Health NetworkKS · Healthcare Provider · Hacking/IT Incident · Nov 20, 202527,174
  16. 16Cary Pediatric Center, PANC · Healthcare Provider · Hacking/IT Incident · Nov 17, 202525,784
  17. 17Motorola SolutionsIL · Health Plan · Hacking/IT Incident · Nov 5, 202522,600
  18. 18NAHGA Claim ServicesME · Health Plan · Hacking/IT Incident · Nov 19, 202521,834
  19. 19Loving and Living Center, PC dba Awakenings CenterNC · Healthcare Provider · Hacking/IT Incident · Nov 7, 202517,800
  20. 20Doctor AllianceTX · Business Associate · Unauthorized Access/Disclosure · Nov 16, 202517,000
October 2025December 2025All breachesHHS OCR Breach Portal