Independent public-records tracker. Not a government website.Facts from official state, HHS and SEC filings

Data breaches that exposed medical information (page 3)

Data breaches whose official filings or notice letters list medical information among the information involved: 269 breaches, newest first. Facts come from official filings with US state attorneys general, the U.S. Department of Health and Human Services (HHS) and the SEC; each breach page links its sources.

Updated Oct 21, 2026 · Showing 201–269 of 269

Organization First filed People affected Information exposed Filed with
Jefferson-Blount-St. Clair Mental Health AuthorityJefferson-Blount-St. Clair Mental Health Authority breach history 30,434
  • Medical information
HHS
Wisner Baum LLPWisner Baum LLP breach history 28,823
  • Social Security number
  • Medical information
  • Driver's license
  • +2 more
Washington AG, California AG, Texas AG
Ingram Micro, Inc.Ingram Micro Inc. breach history 42,521
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
California AG, Texas AG
Insightin Health, Inc.Insightin Health, Inc. breach history 1,949,534
  • Medical information
HHS
Monroe UniversityMonroe University breach history 320,973
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
California AG, Texas AG
Illinois Department of Human ServicesIllinois Department of Human Services breach history 705,017
  • Medical information
HHS
First Federal Savings & Loan Association of Pascagoula Moss PointFirst Federal Savings & Loan Association of Pascagoula Moss Point breach history 54,140
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
California AG, Texas AG
Covenant Health, Inc.Covenant Health, Inc. breach history 478,188
  • Social Security number
  • Medical information
  • Health insurance information
  • +2 more
California AG, Texas AG
SSL and ACL and their current and former affiliatesSSL and ACL and their current and former affiliates breach history 57,253
  • Social Security number
  • Medical information
  • Driver's license
  • +2 more
California AG, Texas AG
Baker UniversityBaker University breach history 53,624
  • Social Security number
  • Medical information
  • Government ID number
  • +3 more
California AG, Texas AG
People's Community ClinicPeople's Community Clinic breach history 700,000
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
Texas AG, HHS
Aflac IncorporatedAflac Incorporated breach history 22,653,844
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
California AG, Texas AG
Brevard Skin and Cancer CenterBrevard Skin and Cancer Center breach history 54,570
  • Medical information
HHS
Rockrose Development L.L.C.Rockrose Development L.L.C. breach history 47,392
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
Texas AG, California AG
CareNexa, LLC, dba Molecular Testing Labs (“MTL”)CareNexa, LLC breach history 258,874
  • Social Security number
  • Medical information
  • Address
California AG, Texas AG
Healthcare Interactive, Inc.Healthcare Interactive, Inc. breach history 87,565
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
California AG, Texas AG, Washington AG
Inotiv, Inc.Inotiv, Inc. breach history 10,482
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
California AG, Texas AG
Veradigm LLCVeradigm LLC breach history 2,672,036
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
Washington AG, California AG, Texas AG
Delta Dental of VirginiaDelta Dental of Virginia breach history 145,918
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
Texas AG, HHS, California AG
VITAS Hospice Services, LLCVITAS Hospice Services, LLC breach history 319,177
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
California AG, Texas AG, HHS
Anchorage Neighborhood Health CenterAnchorage Neighborhood Health Center breach history 70,555
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
HHS, California AG, Texas AG, Washington AG
WEL Companies, Inc.WEL Companies, Inc. breach history 122,960
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
Washington AG, California AG, Texas AG
Modernizing Medicine, Inc.Modernizing Medicine, Inc. breach history 198,795
  • Medical information
HHS
Conduent Business Services, LLCConduent Business Services, LLC breach history 62,486,662
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
HHS, California AG, Washington AG, Texas AG
Susan B. Allen Memorial HospitalSusan B. Allen Memorial Hospital breach history 11,866
  • Medical information
HHS
Outcomes One, Inc.Outcomes One, Inc. breach history 256,031
  • Medical information
  • Health insurance information
  • Name
Washington AG, HHS, California AG, Texas AG
Veradigm LLCVeradigm LLC breach history 2,672,036
  • Medical information
HHS, California AG
Southern Graphics Inc.Southern Graphics Inc. breach history 31,480
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
California AG, Texas AG
CPAP Medical Supplies and Services Inc.CPAP Medical Supplies and Services Inc. breach history 90,133
  • Social Security number
  • Medical information
  • Financial account number
  • +3 more
Washington AG, HHS, California AG
Aflac Incorporated (“Aflac”)Aflac Incorporated breach history 13,924,906
  • Medical information
HHS
Columbia UniversityColumbia University breach history 3,067,242
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
Washington AG, California AG, Texas AG
DaVita Inc.DaVita Inc. breach history 2,689,826
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
Washington AG, HHS
Anne Arundel DermatologyAnne Arundel Dermatology breach history 1,905,000
  • Medical information
HHS, California AG
Radiology Associates of Richmond, Inc.Radiology Associates of Richmond breach history 1,419,091
  • Social Security number
  • Medical information
  • Financial account number
  • +3 more
Washington AG, HHS, California AG
Albany College of Pharmacy and Health SciencesAlbany College of Pharmacy and Health Sciences breach history At least 3,245
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
Washington AG, California AG
Episource, LLCEpisource, LLC breach history 6,725,572
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
Washington AG, HHS, California AG, Texas AG
Blue Shield of CaliforniaBlue Shield of California breach history 4,700,000
  • Medical information
HHS, California AG
Eisner Advisory Group LLCEisner Advisory Group LLC breach history At least 2,121
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
Washington AG, California AG
Octapharma Plasma, Inc.Octapharma Plasma, Inc. breach history At least 9,127
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
Washington AG, California AG
Signature Performance, Inc.Signature Performance, Inc. breach history 130,228
  • Medical information
HHS
A&A Services d/b/a Sav-RxA&A Services breach history 2,812,336
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
Washington AG, HHS, California AG
WebTPA Employer Services, LLCWebTPA Employer Services, LLC breach history 2,518,533
  • Medical information
HHS, California AG
Kaiser Foundation Health Plan, Inc.Kaiser Foundation Health Plan, Inc. breach history 13,400,000
  • Medical information
HHS, California AG
Highland Health SystemsHighland Health Systems breach history 83,543
  • Medical information
HHS
Medical Management Resource Group, L.L.C.Medical Management Resource Group, L.L.C. breach history 2,264,157
  • Social Security number
  • Medical information
  • Health insurance information
  • +2 more
Washington AG, HHS, California AG
Retina Group of Washington, PLLCRetina Group of Washington, PLLC breach history 455,935
  • Medical information
HHS
ESO Solutions, Inc.ESO Solutions, Inc. breach history 2,700,000
  • Social Security number
  • Medical information
  • Date of birth
  • +1 more
HHS, California AG, Washington AG
Perry Johnson & Associates, Inc. (PJ&A)Perry Johnson & Associates, Inc. breach history 9,302,588
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
Washington AG, HHS, California AG
Postmeds, Inc.Postmeds, Inc. breach history 2,369,026
  • Social Security number
  • Medical information
  • Name
Washington AG, HHS, California AG
Colorado Department of Health Care Policy & FinancingColorado Department of Health Care Policy & Financing breach history 4,091,794
  • Medical information
HHS, California AG
HCA HealthcareHCA Healthcare breach history 11,270,000
  • Medical information
  • Date of birth
  • Name
  • +1 more
HHS, Washington AG, California AG
Pension Benefit Information, LLCPension Benefit Information, LLC breach history 1,866,694
  • Social Security number
  • Medical information
  • Date of birth
  • +2 more
California AG, Washington AG, HHS
Managed Care of North America, Inc.Managed Care of North America, Inc. breach history 8,627,242
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
Washington AG, HHS, California AG
NationsBenefits Holdings, LLCNationsBenefits Holdings, LLC breach history 3,099,502
  • Medical information
HHS, California AG
Cerebral, IncCerebral, Inc breach history 3,179,835
  • Medical information
  • Date of birth
  • Name
  • +1 more
HHS, Washington AG, California AG
Connexin Software, Inc.Connexin Software, Inc. breach history 2,846,039
  • Medical information
HHS, California AG
OneTouchPoint, Inc.OneTouchPoint, Inc. breach history 4,112,892
  • Medical information
  • Health insurance information
  • Name
Washington AG, HHS, California AG
Professional Finance Company, Inc.Professional Finance Company, Inc. breach history 1,918,941
  • Social Security number
  • Medical information
  • Health insurance information
  • +2 more
Washington AG, HHS, California AG
ARcareARcare breach history 345,353
  • Medical information
HHS
20/20 Eye Care Network, Inc.20/20 Eye Care Network, Inc. breach history 4,142,440
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
HHS, Washington AG, California AG
NEC Networks, LLC d/b/a CaptureRxNEC Networks, LLC breach history 2,600,000
  • Medical information
  • Date of birth
  • Name
Washington AG, HHS, California AG
Laboratory Corporation of America HoldingsLaboratory Corporation of America Holdings breach history 10,241,756
  • Social Security number
  • Medical information
  • Financial account number
  • +5 more
Washington AG, HHS, California AG, Maine AG
Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. (hereinafter referred to collectively as “Dominion National”)Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. breach history 3,119,635
  • Social Security number
  • Medical information
Maine AG, HHS, California AG
Retrieval Masters Creditors Bureau Inc.Retrieval Masters Creditors Bureau Inc. breach history 7,651,395
  • Social Security number
  • Medical information
  • Financial account number
  • +3 more
Washington AG, Maine AG
Banner HealthBanner Health breach history 3,620,000
  • Social Security number
  • Medical information
  • Date of birth
  • +2 more
Washington AG, Maine AG, HHS, California AG
21st Century Oncology21st Century Oncology breach history 2,213,597
  • Social Security number
  • Medical information
  • Health insurance information
  • +1 more
Washington AG, Maine AG, HHS, California AG
AnthemAnthem, Inc. breach history 78,800,000
  • Social Security number
  • Medical information
  • Date of birth
  • +4 more
Maine AG, HHS, California AG
Community Health Systems Professional Services CorporationCommunity Health Systems Professional Services Corporation breach history 4,500,000
  • Medical information
HHS, California AG
Advocate Health and Hospitals Corporation, d/b/a Advocate Medical GroupAdvocate Health and Hospitals Corporation breach history 4,029,530
  • Medical information
HHS, California AG

People affected is the official total from a filing, or “At least” the sum of state filings where no total was filed. Spotted an error? Report a correction.