Att Data Breach 2024 How To Check. Learn if you were affected by the at&t cybersecurity breach that exposed over 70 million customers' personal information to the dark web in 2024. Malwarebytes offers a free tool to scan if your data was exposed in the at&t breach that affected 73 million customers.

At&t reports two incidents of illegal access to customer data in 2024: At&t has suffered two major data breaches in 2022 and 2024, affecting millions of customers’ personal and phone records.