Have I Been Pwned: ShinyHunters' breach of ADT exposed the personal data of 5.5M people; ADT previously disclosed data breaches in August 2024 and October 2024 BleepingComputer 2026-04-28 Sergiu Gatlan ADT Related Coverage ADT - 5,488,888 breached accounts Have I Been Pwned latest breaches 5.5 million hit in latest ADT data breach with hackers already leaking stolen personal info online — how to stay safe Tom's Guide · Anthony Spadafora Hackers got data on 5.5 million ADT customers by phishing, report says Mashable · Timothy Beck Werth ADT Breach Exposes Data of 5.5 Million Customers, ShinyHunters Likely Behind Attack Security Boulevard · Jeffrey Burt