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

Data breaches in March 2026

Data breaches first reported to a state attorney general, HHS or the SEC in March 2026: 29 breaches. 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 1–29 of 29

Organization First filed People affected Information exposed Filed with
Mercer Advisors Inc.Mercer Advisors Inc. breach history 143,104
  • Social Security number
  • Medical information
  • Driver's license
  • +9 more
 Washington AG, California AG, Texas AG
Nacogdoches Memorial Hospital nNacogdoches Memorial Hospital n breach history 2,507,073
  • Medical information
 HHS
Advantage GoldAdvantage Gold breach history 7,960
  • Social Security number
  • Name
  • Address
  • +1 more
 California AG, Texas AG
Erie Family Health CentersErie Family Health Centers breach history 570,000
  • Medical information
 HHS
Oklahoma Tax CommissionOklahoma Tax Commission breach history 160,830
  • Social Security number
  • Name
 California AG, Texas AG
CareCloud, Inc.CareCloud, Inc. breach history 3,756,469
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
 SEC, Washington AG, HHS, California AG
Eurail B.V.Eurail B.V. breach history 30,877
  • Passport number
  • Government ID number
  • Date of birth
  • +1 more
 Washington AG, California AG, Texas AG
AmedisysAmedisys breach history 9,111
  • Medical information
  • Health insurance information
  • Date of birth
  • +3 more
 HHS, Texas AG
LHC GroupLHC Group breach history 8,644
  • Medical information
  • Health insurance information
  • Date of birth
  • +3 more
 HHS, Texas AG
Cetera Financial GroupCetera Financial Group, Inc. breach history 42,947
  • Social Security number
  • Driver's license
  • Financial account number
  • +2 more
 California AG, Texas AG
New York City Health and Hospitals CorporationNew York City Health & Hospitals Corporation breach history 1,800,000
  • Medical information
 HHS
Coalesce, LLC dba BenefitelectCoalesce, LLC breach history 29,023
  • Social Security number
  • Medical information
  • Health insurance information
  • +2 more
 Texas AG, California AG
Hightower Holding, LLCHightower Holding, LLC breach history 131,483
  • Social Security number
  • Driver's license
  • Financial account number
  • +2 more
 Washington AG, Texas AG
Check CityCheck City breach history 322,687
  • Social Security number
  • Driver's license
  • Government ID number
  • +4 more
 Washington AG, California AG, Texas AG
Stockton Cardiology Medical GroupStockton Cardiology Medical Group breach history 90,000
  • Medical information
 HHS, California AG
Navia Benefit Solutions, Inc.Navia Benefit Solutions, Inc. breach history 2,697,540
  • Social Security number
  • Medical information
  • Date of birth
  • +3 more
 Washington AG, HHS, California AG, Texas AG
OpenLoop Health, Inc.OpenLoop Health, Inc. breach history 68,160
  • Medical information
  • Financial account number
  • Date of birth
  • +3 more
 HHS, California AG, Texas AG, Washington AG
Kaplan North America, LLCKaplan North America, LLC breach history 1,403,060
  • Social Security number
  • Driver's license
  • Name
 Washington AG, California AG, Texas AG
Retail Merchandising ServicesRetail Merchandising Services breach history 16,114
  • Social Security number
  • Financial account number
  • Date of birth
  • +2 more
 California AG, Texas AG
Gulshan Management Services, Inc.Gulshan Management Services, Inc. breach history 377,082
  • Social Security number
  • Driver's license
  • Government ID number
  • +3 more
 Texas AG
Business or Organization Name* Cierant CorporationBusiness or Organization Name* Cierant Corporation breach history 390,472
  • Medical information
  • Health insurance information
  • Date of birth
  • +2 more
 Texas AG
Insightin Health, Inc.Insightin Health, Inc. breach history 1,777,141
  • Medical information
  • Health insurance information
  • Name
  • +1 more
 Texas AG
Ericsson IncEricsson Inc breach history 15,661
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
 Texas AG, California AG
Barrio Comprehensive Family Health Care CenterBarrio Comprehensive Family Health Care Center breach history 19,971
  • Medical information
  • Health insurance information
  • Name
 HHS, Texas AG
North Texas Behavioral Health AuthorityNorth Texas Behavioral Health Authority breach history 284,885
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
 HHS, Texas AG
EP Wealth Advisors, LLCEP Wealth Advisors, LLC breach history 53,952
  • Social Security number
  • Driver's license
  • Financial account number
  • +4 more
 California AG, Washington AG, Texas AG
Tieu Dental CorporationTieu Dental Corporation breach history 8,918
  • Medical information
 HHS, California AG
Service Lighting, Inc.Service Lighting, Inc. breach history 25,736
  • Financial account number
  • Name
 California AG, Washington AG, Texas AG
Insightin Health, Inc.Insightin Health, Inc. breach history At least 11,740
  • Medical information
  • Health insurance information
  • Date of birth
  • +1 more
 Washington AG, California AG

Other months in 2026

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.