Recent data breaches
Every breach we have written up, newest first. A report says who was hit, what was exposed, how it happened as far as anyone has said, and what to do if your data was in it. A leak-site claim by a criminal group is labelled as a claim until the organization confirms it.
30 reports · latest disclosed September 15, 2026
By sector
By attack type
Southern California Telephone CompanyUndisclosedTelecomsNot disclosedClaimed, unconfirmedChess.comUndisclosedTechnology4.7 millionConfirmedQuestelSocial engineeringProfessional services1.2 millionConfirmedMcKessonUndisclosedHealthcare6.4 millionConfirmedManchester Airports GroupUndisclosedTravel and transport8.8 millionConfirmedCarharttUndisclosedRetail12.9 millionConfirmedNIUSUndisclosedMedia and entertainment6,090ConfirmedGolf CanadaUndisclosedNon-profit569,000ConfirmedOz Hair and BeautyThird-party breachRetail2 millionConfirmedFanloreUndisclosedNon-profit145,000ConfirmedAlconUndisclosedHealthcare218,000ConfirmedBrinks HomeSocial engineeringOther732,000ConfirmedInter-Con SecurityUndisclosedProfessional services276,000ConfirmedSplitVPNUndisclosedTechnology865,000ConfirmedRingCentralSocial engineeringTechnology1.6 millionConfirmedHouston City CollegeUndisclosedEducation832,000ConfirmedSunoUndisclosedTechnology55.3 millionConfirmedPaidworkUndisclosedTechnology23.3 millionConfirmedExact SciencesSocial engineeringHealthcare10.9 millionConfirmedGoose CreekUndisclosedRetail6.6 millionConfirmedFlukeUndisclosedManufacturing821,000ConfirmedGlendale Community CollegeUndisclosedEducation794,000ConfirmedAmerican TowerUndisclosedTelecoms217,000ConfirmedMoody Bible InstituteUndisclosedEducation2.3 millionConfirmedJCPenneyUndisclosedRetail368,000ConfirmedRalph LaurenUndisclosedRetail140,000ConfirmedCFGIUndisclosedProfessional services248,000ConfirmedSyscoUndisclosedOther2.7 millionConfirmedMadison Square Garden SportsUndisclosedMedia and entertainment9.8 millionConfirmedDentaQuestUndisclosedHealthcare15 millionConfirmed