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

Data breaches in May 2026

Data breaches first reported to a state attorney general, HHS or the SEC in May 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
Morning Star ToursMorning Star Tours breach history 18,997
  • Social Security number
  • Passport number
  • Government ID number
  • +2 more
Washington AG, California AG, Texas AG
RCI Internet ServicesRCI Internet Services breach history 40,178
  • Social Security number
  • Driver's license
  • Name
California AG, Texas AG
Educational Employees Credit UnionEducational Employees Credit Union breach history 201,185
  • Social Security number
  • Driver's license
  • Financial account number
  • +2 more
California AG, Texas AG
Networking Technology, Inc.Networking Technology, Inc. breach history 353,844
  • Social Security number
  • Medical information
  • Date of birth
  • +1 more
Washington AG, Texas AG, HHS, California AG
Blue Teal Holdings, LLCBlue Teal Holdings, LLC breach history 19,053
  • Social Security number
  • Driver's license
  • Government ID number
  • +2 more
California AG, Texas AG
Steel Warehouse Company LLCSteel Warehouse Company LLC breach history 13,285
  • Social Security number
  • Driver's license
  • Government ID number
  • +3 more
Texas AG
Industrial Acceptance CorporationIndustrial Acceptance Corporation breach history 79,216
  • Social Security number
  • Driver's license
  • Date of birth
  • +1 more
California AG, Texas AG, Washington AG
Texas CapitalTexas Capital breach history 86,067
  • Social Security number
  • Date of birth
  • Name
Washington AG, California AG, Texas AG
Carnival CorporationCarnival Corporation breach history 5,995,277
  • Driver's license
  • Passport number
  • Government ID number
  • +3 more
Washington AG, California AG, Texas AG
Interstate Management Company, LLCInterstate Management Company, LLC breach history 22,743
  • Social Security number
  • Medical information
  • Financial account number
  • +2 more
California AG, Texas AG
ERMI LLCERMI LLC breach history 74,074
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
HHS, California AG, Texas AG
Barnhart Crane & Rigging Company, Inc.Barnhart Crane & Rigging Company, Inc. breach history 22,822
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
Washington AG, Texas AG
Radiology Associates of RichmondRadiology Associates of Richmond breach history 266,183
  • Medical information
  • Government ID number
  • Financial account number
  • +1 more
HHS, Texas AG
Cardinal Services, Inc, Cardinal Employer Organization, and Preferred Employer Solutions, collectively (“Cardinal”)Cardinal Services, Inc, Cardinal Employer Organization, and Preferred Employer Solutions, collectively breach history 142,323
  • Social Security number
  • Medical information
  • Driver's license
  • +2 more
California AG, Texas AG
Frost BankFrost Bank breach history 200,271
  • Social Security number
  • Financial account number
  • Date of birth
  • +2 more
Texas AG, California AG
VacPartsWarehouse.com LLCVacPartsWarehouse.com LLC breach history 23,820
  • Financial account number
  • Name
Washington AG, California AG, Texas AG
The Beacon Mutual Insurance CompanyThe Beacon Mutual Insurance Company breach history 162,439
  • Social Security number
  • Medical information
  • Health insurance information
  • +1 more
California AG, Texas AG
Lumexa ImagingLumexa Imaging breach history 2,994
  • Social Security number
  • Medical information
  • Health insurance information
  • +2 more
HHS, California AG, Texas AG, Washington AG
US Tiger Securities Inc. (“US Tiger”)US Tiger Securities Inc. breach history 26,985
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
Washington AG, Texas AG, California AG
Cresset Capital ManagementCresset Capital Management breach history 9,884
  • Social Security number
  • Driver's license
  • Government ID number
  • +5 more
California AG, Texas AG
Fluke CorporationFluke Corporation breach history 18,517
  • Social Security number
  • Date of birth
  • Name
  • +1 more
Washington AG, California AG, Texas AG
Pivot HealthPivot Health breach history 8,391
  • Medical information
  • Financial account number
  • Health insurance information
  • +1 more
HHS, Texas AG
Elara CaringElara Caring breach history 10,490
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
HHS, Texas AG
Tulane UniversityTulane University breach history 80,867
  • Social Security number
  • Financial account number
  • Name
California AG, Texas AG
American Lending CenterAmerican Lending Center breach history 123,158
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
California AG, Washington AG, Texas AG
Blue Enterprises, Inc. dba Hogan Transports, Inc.Blue Enterprises, Inc. breach history 45,854
  • Social Security number
  • Driver's license
  • Government ID number
  • +2 more
California AG, Texas AG
MemberSource Credit UnionMemberSource Credit Union breach history 31,046
  • Social Security number
  • Driver's license
  • Government ID number
  • +2 more
California AG, Texas AG
Berger & Williams, LLPBerger & Williams, LLP breach history 34,153
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
California AG, Texas AG
Western Orthopaedics, P.C.Western Orthopaedics, P.C. breach history 113,330
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
HHS, Texas 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.