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Data Breach Check

Data breach list: October 2026

108 official notices from 85 organizations so far (lists checked Oct 25, 2026)

CA list newest Oct 22 · TX Oct 23 · WA Oct 6 · HHS Oct 1.

Got a letter from one of them? Check the company and see what to do tonight

By regulator

  • CA AGCalifornia Attorney General39
  • TX AGTexas Attorney General67
  • WA AGWashington Attorney General1
  • HHS OCRHHS Office for Civil Rights1

By industry

Every notice, newest first

Listed = the date the regulator posted it, not the date of the breach.

  1. Motility Software Solutions

    Oct 23TX AG194,755 Texans · 767,562 totalApps & software

    Notice ↗
  2. Opportune LLP

    Oct 23TX AG38,068 Texans · 107,071 totalLaw & accounting firms

    Notice ↗
  3. Networking Technology, Inc.

    Oct 23TX AG50,071 Texans · 65,984 totalHospitals & clinics

    Notice ↗
  4. Dorsata, Inc.

    Oct 23TX AG8,943 Texans · 58,246 totalRetailers

    Notice ↗
  5. Dill Dill Carr Stonbraker & Hutchings, P.C.

    Oct 23TX AG2,308 Texans · 33,613 totalLaw & accounting firms

    Notice ↗
  6. Sherman Independent School District

    Oct 23TX AG8,493 Texans · 8,493 totalSchools & universities

    Notice ↗
  7. Photon Health

    Oct 23TX AG3,085 Texans · 3,085 totalHospitals & clinics

    Notice ↗
  8. East Chambers Independent School District (Breach was through Frontline Education)

    Oct 23TX AG801 Texans · 801 totalSchools & universities

    Notice ↗
  9. Region 9 Education Service Center

    Oct 23TX AG259 Texans · 259 totalSchools & universities

    Notice ↗
  10. Deposition Solutions, LLC (d/b/a Lexitas)

    Oct 22CA AGNumber not listedOther / unclassified

    Notice ↗
  11. Opportune LLP

    Oct 22CA AGNumber not listedLaw & accounting firms

    Notice ↗
  12. Dill Dill Carr Stonbraker & Hutchings, P.C.

    Oct 22CA AGNumber not listedLaw & accounting firms

    Notice ↗
  13. BASS Medical Group

    Oct 22CA AGNumber not listedHospitals & clinics

    Notice ↗
  14. Dorsata, Inc.

    Oct 21CA AGNumber not listedRetailers

    Notice ↗
  15. Citizens Bank

    Oct 20TX AG14,371 Texans · 1,260,000 totalBanks & lenders

    Notice ↗
  16. STS Aviation Group

    Oct 20TX AG5,920 Texans · 54,027 totalTransport & shipping

    Notice ↗
  17. Toyo Tire Holdings of Americas Inc.

    Oct 20TX AG324 Texans · 17,707 totalManufacturers

    Notice ↗
  18. Computer Task Group, Incorporated

    Oct 20TX AG1,385 Texans · 11,962 totalRetailers

    Notice ↗
  19. Heritage Pediatrics PLLC

    Oct 20TX AG2,876 Texans · 3,318 totalHospitals & clinics

    Notice ↗
  20. Walnut Creek Special Utility District

    Oct 20TX AG784 Texans · 784 totalGovernment

    Notice ↗
  21. Hardi Jefferson ISD

    Oct 20TX AG426 Texans · 426 totalSchools & universities

    Notice ↗
  22. Mercadien, P.C. CPAs

    Oct 20CA AGNumber not listedLaw & accounting firms

    Notice ↗
  23. Toyo Tire Holdings of Americas Inc.

    Oct 20CA AGNumber not listedManufacturers

    Notice ↗
  24. Citizens Bank

    Oct 19CA AGNumber not listedBanks & lenders

    Notice ↗
  25. Alma Family Services

    Oct 19CA AGNumber not listedHospitals & clinics

    Notice ↗
  26. STS Aviation Group

    Oct 19CA AGNumber not listedTransport & shipping

    Notice ↗
  27. Stitch Connect Inc

    Oct 18CA AGNumber not listedRetailers

    Notice ↗
  28. AssuranceAmerica Managing General Agency, LLC

    Oct 16TX AG88,640 Texans · 489,825 totalInsurers

    Notice ↗
  29. Iroquois Memorial Hospital

    Oct 16TX AG1,279 Texans · 217,703 totalHospitals & clinics

    Notice ↗
  30. Stitch Connect Inc

    Oct 16TX AG4,062 Texans · 113,727 totalRetailers

    Notice ↗
  31. JM Bullion, Inc.

    Oct 16TX AG6,640 Texans · 78,451 totalRetailers

    Notice ↗
  32. MLD Mortgage Inc. dba The Money Store

    Oct 16TX AG1,367 Texans · 45,561 totalBanks & lenders

    Notice ↗
  33. Klein Independent School District

    Oct 16TX AG37,966 Texans · 37,966 totalSchools & universities

    Notice ↗
  34. The Krum Public Library

    Oct 16TX AG34,042 Texans · 36,360 totalGovernment

    Notice ↗
  35. Magna Hospitality Group

    Oct 16TX AG1,298 Texans · 25,623 totalHotels & restaurants

    Notice ↗
  36. Mountrail County Medical Center

    Oct 16TX AG456 Texans · 24,447 totalHospitals & clinics

    Notice ↗
  37. American Board of Preventive Medicine

    Oct 16TX AG955 Texans · 23,692 totalOther / unclassified

    Notice ↗
  38. Porter and Company

    Oct 16TX AG1,620 Texans · 18,728 totalBanks & lenders

    Notice ↗
  39. Encore Enterprises

    Oct 16TX AG1,746 Texans · 4,488 totalOther / unclassified

    Notice ↗
  40. Delek US Energy, Inc.

    Oct 16TX AG1,666 Texans · 2,566 totalOther / unclassified

    Notice ↗
  41. Neuro Wellness Spa

    Oct 16CA AGNumber not listedOther / unclassified

    Notice ↗
  42. Covered California

    Oct 16CA AGNumber not listedOther / unclassified

    Notice ↗
  43. CDE

    Oct 16CA AGNumber not listedOther / unclassified

    Notice ↗
  44. Inner City Education Foundation

    Oct 16CA AGNumber not listedNonprofits

    Notice ↗
  45. John G. Yphantides, a Professional Law Corporation

    Oct 16CA AGNumber not listedLaw & accounting firms

    Notice ↗
  46. Frazer LLP

    Oct 16CA AGNumber not listedLaw & accounting firms

    Notice ↗
  47. City of Foster City

    Oct 15CA AGNumber not listedGovernment

    Notice ↗
  48. MLD Mortgage Inc. dba The Money Store

    Oct 15CA AGNumber not listedBanks & lenders

    Notice ↗
  49. BDG Law Group

    Oct 14CA AGNumber not listedLaw & accounting firms

    Notice ↗
  50. Kern County Superintendent of Schools

    Oct 14CA AGNumber not listedSchools & universities

    Notice ↗
  51. CenterPoint Energy, Inc.

    Oct 13TX AG1,062,060 Texans · 1,611,625 totalRetailers

    Notice ↗
  52. Blueberry Pediatrics

    Oct 13TX AG60,581 Texans · 340,915 totalHospitals & clinics

    Notice ↗
  53. Blueberry Pediatrics

    Oct 13TX AG7,249 Texans · 47,381 totalHospitals & clinics

    Notice ↗
  54. Arkansas Hospice Inc. dba LifeTouch Health

    Oct 13TX AG564 Texans · 38,629 totalHospitals & clinics

    Notice ↗
  55. zizzl, llc.

    Oct 13TX AG496 Texans · 6,447 totalInsurers

    Notice ↗
  56. Mercadien PC Certified Public Accountants

    Oct 13TX AG5,219 TexansBanks & lenders

    Notice ↗
  57. EnTrans Holding, Inc.

    Oct 13TX AG839 Texans · 3,311 totalRetailers

    Notice ↗
  58. Eckert Seamans Cherin & Mellott, LLC

    Oct 13TX AG388 Texans · 388 totalOther / unclassified

    Notice ↗
  59. JM Bullion, Inc.

    Oct 13CA AGNumber not listedRetailers

    Notice ↗
  60. Magna Hospitality Group

    Oct 13CA AGNumber not listedHotels & restaurants

    Notice ↗
  61. Tulare Joint Union High School District

    Oct 13CA AGNumber not listedSchools & universities

    Notice ↗
  62. American Board of Preventive Medicine

    Oct 13CA AGNumber not listedOther / unclassified

    Notice ↗
  63. Porter and Company

    Oct 13CA AGNumber not listedBanks & lenders

    Notice ↗
  64. Austin Independent School District

    Oct 12TX AG44,652 Texans · 44,652 totalSchools & universities

    Notice ↗
  65. Squire Patton Boggs (US) LLP

    Oct 12TX AG335 Texans · 3,824 totalLaw & accounting firms

    Notice ↗
  66. JM Bozeman Enterprises

    Oct 12TX AG602 Texans · 3,211 totalRetailers

    Notice ↗
  67. Terrell Independent School District

    Oct 12TX AG1,672 Texans · 1,672 totalSchools & universities

    Notice ↗
  68. Mercadien, P.C. CPAs

    Oct 12CA AGNumber not listedLaw & accounting firms

    Notice ↗
  69. Blueberry Pediatrics

    Oct 10CA AGNumber not listedHospitals & clinics

    Notice ↗
  70. Blueberry Pediatrics

    Oct 10CA AGNumber not listedHospitals & clinics

    Notice ↗
  71. Alisal Union Schol District

    Oct 7CA AGNumber not listedOther / unclassified

    Notice ↗
  72. iRhythm Technologies Inc.

    Oct 6TX AG298,647 Texans · 8,179,772 totalHospitals & clinics

    Notice ↗
  73. iRhythm Technologies Inc.

    Oct 6WA AG220,745 WashingtoniansHospitals & clinics

    Notice ↗
  74. Sheppard, Mullin, Richter & Hampton LLP

    Oct 6TX AG2,326 Texans · 204,001 totalLaw & accounting firms

    Notice ↗
  75. Harman Fitness

    Oct 6TX AG1,057 Texans · 4,714 totalOther / unclassified

    Notice ↗
  76. Cleburne Independent School District

    Oct 6TX AG3,187 Texans · 3,187 totalSchools & universities

    Notice ↗
  77. Edgewood ISD

    Oct 6TX AG3,000 Texans · 3,000 totalSchools & universities

    Notice ↗
  78. Flowco Holdings Inc.

    Oct 6TX AG1,771 Texans · 2,477 totalRetailers

    Notice ↗
  79. Fragomen, Del Rey, Bernsen & Loewy, LLP

    Oct 6TX AG379 Texans · 1,753 totalLaw & accounting firms

    Notice ↗
  80. Capitol Pain Institute

    Oct 6TX AG666 Texans · 666 totalHospitals & clinics

    Notice ↗
  81. iRhythm Technologies Inc.

    Oct 6CA AGNumber not listedApps & software

    Notice ↗
  82. Harman Fitness

    Oct 6CA AGNumber not listedOther / unclassified

    Notice ↗
  83. Healthcare Highways, LLC

    Oct 6TX AGNumber not listedHospitals & clinics

    Notice ↗
  84. Advantest America, Inc.

    Oct 5CA AGNumber not listedOther / unclassified

    Notice ↗
  85. DriveWealth

    Oct 2TX AG2,556,688 Texans · 30,000,000 totalBanks & lenders

    Notice ↗
  86. Cerner Corporation

    Oct 2TX AG2,992,244 Texans · 19,929,149 totalHospitals & clinics

    Notice ↗
  87. Poppins Payroll Company

    Oct 2TX AG23,796 Texans · 246,937 totalPayroll & HR

    Notice ↗
  88. World Acceptance Corporation

    Oct 2TX AG51,073 Texans · 232,401 totalBanks & lenders

    Notice ↗
  89. Greenberg Traurig, LLP (“GT”)

    Oct 2TX AG1,839 Texans · 150,000 totalLaw & accounting firms

    Notice ↗
  90. City of McMinnville

    Oct 2TX AG263 Texans · 122,864 totalGovernment

    Notice ↗
  91. Upbound Group, Inc.

    Oct 2TX AG6,280 Texans · 76,327 totalOther / unclassified

    Notice ↗
  92. Little River Memorial Hospital

    Oct 2TX AG3,242 Texans · 47,467 totalHospitals & clinics

    Notice ↗
  93. Midvale Indemnity Company

    Oct 2TX AG3,416 Texans · 38,381 totalInsurers

    Notice ↗
  94. Lincoln Property Company Commercial LLC

    Oct 2TX AG6,585 Texans · 19,300 totalOther / unclassified

    Notice ↗
  95. Pro Holdings, LLC d/b/a ProCamps

    Oct 2TX AG3,840 Texans · 10,608 totalSchools & universities

    Notice ↗
  96. PSI Premier Specialties Inc. d/b/a Medical Express PSI

    Oct 2TX AG2,128 Texans · 4,100 totalHospitals & clinics

    Notice ↗
  97. 7 to 7 Dental & Orthodontics

    Oct 2TX AG3,526 Texans · 3,526 totalHospitals & clinics

    Notice ↗
  98. The Woodlands Arts Council

    Oct 2TX AG2,250 Texans · 2,923 totalNonprofits

    Notice ↗
  99. Innovative Alternatives, Inc

    Oct 2TX AG1,500 Texans · 1,500 totalNonprofits

    Notice ↗
  100. i.e.Smart Systems, LLC

    Oct 2TX AG897 Texans · 914 totalApps & software

    Notice ↗
  101. Goldston Oil Corporation

    Oct 2TX AG412 Texans · 412 totalRetailers

    Notice ↗
  102. Sheppard, Mullin, Richter & Hampton LLP

    Oct 2CA AGNumber not listedLaw & accounting firms

    Notice ↗
  103. Fragomen, Del Rey, Bernsen & Loewy, LLP

    Oct 2CA AGNumber not listedLaw & accounting firms

    Notice ↗
  104. Family Physicians, Inc.

    Oct 1HHS OCR885 peopleHospitals & clinics

    Notice ↗
  105. Greenberg Traurig, LLP (“GT”)

    Oct 1CA AGNumber not listedLaw & accounting firms

    Notice ↗
  106. Aldrich Services LLP

    Oct 1CA AGNumber not listedLaw & accounting firms

    Notice ↗
  107. Marana Health Center

    Oct 1CA AGNumber not listedHospitals & clinics

    Notice ↗
  108. Lincoln Property Company Commercial LLC

    Oct 1CA AGNumber not listedOther / unclassified

    Notice ↗

Questions about October 2026

How many data breach notices were listed in October 2026?

108 notices from 85 organizations so far (lists checked Oct 25, 2026): California Attorney General 39, HHS Office for Civil Rights 1, Texas Attorney General 67, Washington Attorney General 1. Each list has its own filing threshold, so smaller breaches don't appear.

Which breach listed in October 2026 affected the most people?

DriveWealth, listed by the Texas Attorney General on Oct 2, 2026: 2,556,688 Texans · 30,000,000 total. Being listed doesn't mean your data was in it; your letter says.

Which industries filed the most breach notices in October 2026?

Hospitals & clinics (22), Law & accounting firms (17), Other / unclassified (16). Industries come from the regulator's category, or are guessed from the name when the list has none.

Sources: California, Washington and Texas attorneys general and the HHS Office for Civil Rights, as listed on Oct 25, 2026. All sources