Data breaches in October 2026
Data breaches first reported to a state attorney general, HHS or the SEC in October 2026: 22 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.
| Organization | First filed | People affected | Information exposed | Filed with |
|---|---|---|---|---|
| Klein Independent School DistrictKlein Independent School District breach history | 37,966 |
|
Texas AG | |
| Stitch Connect IncStitch Connect Inc breach history | 113,727 |
|
Texas AG, California AG | |
| The Krum Public LibraryThe Krum Public Library breach history | 36,360 |
|
Texas AG | |
| Mountrail County Medical CenterMountrail County Medical Center breach history | 24,447 |
|
Texas AG | |
| Iroquois Memorial HospitalIroquois Memorial Hospital breach history | 217,703 |
|
Texas AG | |
| AssuranceAmerica Managing General Agency, LLCAssuranceAmerica Managing General Agency, LLC breach history | 489,825 |
|
Texas AG | |
| MLD Mortgage Inc. dba The Money StoreMLD Mortgage Inc. breach history | 45,561 |
|
California AG, Texas AG | |
| American Board of Preventive MedicineAmerican Board of Preventive Medicine breach history | 23,692 |
|
California AG, Texas AG | |
| Porter and CompanyPorter and Company breach history | 18,728 |
|
California AG, Texas AG | |
| Arkansas Hospice Inc. dba LifeTouch HealthArkansas Hospice Inc. breach history | 38,629 |
|
Texas AG | |
| CenterPoint Energy, Inc.CenterPoint Energy, Inc. breach history | 1,611,625 |
|
Texas AG | |
| JM Bullion, Inc.JM Bullion, Inc. breach history | 78,451 |
|
California AG, Texas AG | |
| Austin Independent School DistrictAustin Independent School District breach history | 44,652 |
|
Texas AG | |
| Blueberry PediatricsBlueberry Pediatrics breach history | 340,915 |
|
California AG, Texas AG | |
| Harman FitnessHarman Fitness breach history | 4,714 |
|
Texas AG, California AG | |
| iRhythm Technologies Inc.iRhythm Technologies Inc. breach history | 8,179,772 |
|
Texas AG, California AG | |
| Sheppard, Mullin, Richter & Hampton LLPSheppard, Mullin, Richter & Hampton LLP breach history | 204,001 |
|
California AG, Texas AG | |
| Midvale Indemnity CompanyMidvale Indemnity Company breach history | 38,381 |
|
Texas AG | |
| World Acceptance CorporationWorld Acceptance Corporation breach history | 232,401 |
|
Texas AG | |
| Little River Memorial HospitalLittle River Memorial Hospital breach history | 47,467 |
|
Texas AG | |
| Fragomen, Del Rey, Bernsen & Loewy, LLPFragomen, Del Rey, Bernsen & Loewy, LLP breach history | 1,753 |
|
California AG, Texas AG | |
| Lincoln Property Company Commercial LLCLincoln Property Company Commercial LLC breach history | 19,300 |
|
California AG, 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.