Health Data Breach Tracker/Monthly roundup
Biggest health data breaches: December 2023
In December 2023, 77 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 16,828,094 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
77
Individuals affected
16,828,094
Hacking or IT incidents
66
- 1HealthEC LLCNJ · Business Associate · Hacking/IT Incident · Dec 21, 20234,786,241
- 2ESO Solutions, Inc.TX · Business Associate · Hacking/IT Incident · Dec 18, 20232,700,000
- 3Fred Hutchinson Cancer CenterWA · Healthcare Provider · Hacking/IT Incident · Dec 22, 20231,840,927
- 4Keenan & AssociatesCA · Health Plan · Hacking/IT Incident · Dec 11, 20231,475,991
- 5Transformative Healthcare, on behalf of Fallon Ambulance ServicesMA · Healthcare Provider · Hacking/IT Incident · Dec 31, 2023911,757
- 6City of HopeCA · Healthcare Provider · Hacking/IT Incident · Dec 12, 2023902,540
- 7Plaza Radiology, LLCTN · Healthcare Provider · Hacking/IT Incident · Dec 20, 2023569,022
- 8Electrostim Medical Services, Inc. d/b/A EMSIFL · Healthcare Provider · Hacking/IT Incident · Dec 28, 2023542,990
- 9Cardiovascular Consultants Ltd.AZ · Healthcare Provider · Hacking/IT Incident · Dec 1, 2023484,000
- 10Retina Group of Washington, PLLCMD · Healthcare Provider · Hacking/IT Incident · Dec 22, 2023455,935
- 11CompleteCare Health NetworkNJ · Healthcare Provider · Hacking/IT Incident · Dec 20, 2023316,059
- 12Health Alliance Hospital Mary's Avenue CampusNY · Healthcare Provider · Hacking/IT Incident · Dec 11, 2023264,197
- 13Dallas CountyTX · Healthcare Provider · Hacking/IT Incident · Dec 18, 2023201,404
- 14Clay County Social ServicesMN · Business Associate · Hacking/IT Incident · Dec 22, 2023123,847
- 15Pan-American Life Insurance Group, Inc.LA · Health Plan · Hacking/IT Incident · Dec 4, 2023105,387
- 16Meridian Behavioral Healthcare, Inc.FL · Healthcare Provider · Hacking/IT Incident · Dec 22, 202398,808
- 17Mercy Medical CenterIA · Healthcare Provider · Hacking/IT Incident · Dec 8, 202397,132
- 18Pan-American Life Insurance Group, Inc.LA · Business Associate · Hacking/IT Incident · Dec 4, 202394,807
- 19Regional Family MedicineAR · Healthcare Provider · Hacking/IT Incident · Dec 12, 202380,166
- 20HMG Healthcare, LLCTX · Healthcare Provider · Hacking/IT Incident · Dec 29, 202380,000