Data Breach Index (A–Z) – H
Explore 74 data breaches in the H group. Open a record for exposed data classes, affected account counts and recommended security steps.
H
HDB Financial Services Data BreachHKGolden Data BreachHLTV Data BreachHMC Farms 2026 Data BreachHTC Mania Data BreachHTH Studios Data BreachHabbo.st Alleged Data ExposureHackBase Alleged Data ExposureHackerOne Navia 2025 Data BreachHacking Team Data BreachHaijiao.com (2023) Alleged Data ExposureHakko Corporation Data BreachHallmark Data BreachHanscom Federal Credit Union 2026 Data BreachHarbin Clinic / NRS 2024 Data BreachHarbor Ohio 2025 Data BreachHarbor Regional Center 2026 Data BreachHarvard University 2025 Data BreachHathway Data BreachHauteLook 2018 Data BreachHave Fun Teaching Data BreachHavenly Data BreachHealth Now Networks Data BreachHealth Payment Systems 2025 Data BreachHealthEC 2023 Data BreachHealthEquity 2024 Data BreachHealthcare In Action 2026 Data BreachHealthcare Services Group 2024 Data BreachHeart Care Centers of Illinois 2024 Data BreachHeart South Cardiovascular Group Data BreachHeart of America Eye Care 2026 Data BreachHeartland Health Center 2025 Data BreachHeatGames Data BreachHello Cake Data BreachHelloWork (2025) Data BreachHematology Oncology Consultants Data BreachHemmakväll Data BreachHenry Rossi & Co. 2026 Data BreachHeritage Bank 2026 Data BreachHeroes of Gaia Data BreachHeroes of Newerth Data BreachHexui Alleged Data ExposureHiAPK Alleged Data ExposureHigh Point Treatment Center 2025 Data BreachHightower Advisors 2026 Data BreachHilldun 2026 Data BreachHillwood Development Company 2026 Data BreachHims & Hers Zendesk 2026 Data BreachHive Workshop Data BreachHjedd Data BreachHome Chef Data BreachHomeRefill Data BreachHongFire Data BreachHookers.nl Data BreachHopamedia Data BreachHopponWorks Alleged Data ExposureHorse Isle Data BreachHospital Caribbean Medical Center Data BreachHostinger Data BreachHot Topic Data BreachHoundDawgs Data BreachHouston City College 2026 Data BreachHouzz Data BreachHub4Tech Data BreachHudson Valley Medical Billing & Credentialing 2026 Data BreachHugging Face 2026 Security BreachHuntStand Data BreachHunter Associates 2026 Data BreachHunter Health Clinic 2024 Data BreachHurb Data BreachHusky Owners Data BreachHypertherm 2025 Data Breachhackforums.net Data Breachhemmelig.com Data Breach