Health Data Breach Tracker/Monthly roundup
Biggest health data breaches: November 2023
In November 2023, 74 health data breaches affecting 500 or more people were reported to the HHS Office for Civil Rights, with a combined 31,493,305 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
74
Individuals affected
31,493,305
Hacking or IT incidents
67
- 1Welltok, Inc.CO · Business Associate · Hacking/IT Incident · Nov 6, 202314,782,887
- 2Perry Johnson & Associates, Inc. dba PJ&ANV · Business Associate · Hacking/IT Incident · Nov 3, 20239,302,588
- 3Berry, Dunn, McNeil & Parker, LLCME · Business Associate · Hacking/IT Incident · Nov 21, 20232,068,426
- 4Sutter HealthCA · Healthcare Provider · Hacking/IT Incident · Nov 3, 2023845,441
- 5California Physicians’ Service d/b/a Blue Shield of CaliforniaCA · Health Plan · Hacking/IT Incident · Nov 17, 2023636,849
- 6East River Medical Imaging, PCNY · Healthcare Provider · Hacking/IT Incident · Nov 22, 2023605,809
- 7Proliance SurgeonsWA · Healthcare Provider · Hacking/IT Incident · Nov 20, 2023437,392
- 8CBIZ KA Consulting Services, LLCNJ · Business Associate · Hacking/IT Incident · Nov 10, 2023436,198
- 9Medical Eye Services, Inc.NY · Business Associate · Hacking/IT Incident · Nov 14, 2023377,931
- 10State of MaineME · Health Plan · Hacking/IT Incident · Nov 16, 2023376,504
- 11Medical College of WisconsinWI · Healthcare Provider · Hacking/IT Incident · Nov 14, 2023240,667
- 12Warren General HospitalPA · Healthcare Provider · Hacking/IT Incident · Nov 9, 2023168,921
- 13Financial Asset Management SystemsGA · Business Associate · Hacking/IT Incident · Nov 4, 2023164,796
- 14Morrison Community Hospital DistrictIL · Healthcare Provider · Hacking/IT Incident · Nov 23, 2023122,488
- 15Prestige Care, Inc.WA · Healthcare Provider · Hacking/IT Incident · Nov 6, 2023116,956
- 16South Austin Health Imaging LLC dba Longhorn Imaging CenterTX · Healthcare Provider · Hacking/IT Incident · Nov 3, 2023100,645
- 17Mulkay Cardiology Consultants at Holy Name Medical Center, P.C.NJ · Healthcare Provider · Hacking/IT Incident · Nov 3, 202379,582
- 18International Paper Company Group Health and Welfare PlanTN · Health Plan · Hacking/IT Incident · Nov 14, 202378,692
- 19U.S. Drug Mart, Inc.TX · Healthcare Provider · Hacking/IT Incident · Nov 21, 202348,261
- 20WellLife Network Inc.NY · Healthcare Provider · Hacking/IT Incident · Nov 6, 202343,875