The HealthTech Signal

Health Data Breach Tracker/Monthly roundup

Biggest health data breaches: June 2025

In June 2025, 79 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 9,702,861 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

79

Individuals affected

9,702,861

Hacking or IT incidents

67

  1. 1Episource, LLCCA · Business Associate · Hacking/IT Incident · Jun 6, 20256,725,572
  2. 2McLaren Health CareMI · Healthcare Provider · Hacking/IT Incident · Jun 24, 2025743,131
  3. 3Compumedics USA, Inc.NC · Business Associate · Hacking/IT Incident · Jun 27, 2025318,150
  4. 4Horizon Healthcare RCMIN · Healthcare Clearing House · Hacking/IT Incident · Jun 27, 2025210,901
  5. 5Central Kentucky RadiologyKY · Healthcare Provider · Hacking/IT Incident · Jun 13, 2025166,953
  6. 6Southern Connecticut Vascular Center, LLCCT · Healthcare Provider · Hacking/IT Incident · Jun 9, 2025154,417
  7. 7Heartland Regional Medical Center d/b/a Mosaic Life CareMO · Healthcare Provider · Hacking/IT Incident · Jun 27, 2025145,269
  8. 8TRG, LLCOR · Healthcare Provider · Hacking/IT Incident · Jun 18, 2025142,004
  9. 9Select Medical Holdings CorporationPA · Healthcare Provider · Hacking/IT Incident · Jun 6, 2025119,525
  10. 10Centers for Medicare & Medicaid ServicesMD · Health Plan · Hacking/IT Incident · Jun 30, 2025107,154
  11. 11Renkim CorporationMI · Business Associate · Hacking/IT Incident · Jun 2, 2025105,518
  12. 12Mainline Health Systems IncAR · Healthcare Provider · Hacking/IT Incident · Jun 23, 2025101,104
  13. 13Diversified Services EnterprisesFL · Business Associate · Hacking/IT Incident · Jun 13, 202561,066
  14. 14Amalgamated Meat Cutters and Retail Food Store Employees Union Local 342 Health Care FundNY · Health Plan · Hacking/IT Incident · Jun 26, 202556,615
  15. 15Gardner Orthopedics LLCFL · Healthcare Provider · Hacking/IT Incident · Jun 24, 202547,000
  16. 16Mount Rogers Community ServicesVA · Healthcare Provider · Hacking/IT Incident · Jun 13, 202538,191
  17. 17Cumberland County Hospital AssociationKY · Healthcare Provider · Hacking/IT Incident · Jun 2, 202536,659
  18. 18Rural Health ServicesSC · Healthcare Provider · Hacking/IT Incident · Jun 12, 202536,542
  19. 19Sharp Community Medical GroupCA · Healthcare Provider · Hacking/IT Incident · Jun 6, 202526,976
  20. 20Huron Regional Medical Center, Inc.SD · Healthcare Provider · Hacking/IT Incident · Jun 6, 202525,398
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