At&T Data Breach 2024. At&t also provided recommendations and resources for affected customers. The theft of sensitive information belonging to millions of at&t’s current and former customers has been recently discovered online, the telecommunications giant said saturday, march 30, 2024.

At&t said it learned of the data breach on april 19, and that it was unrelated to its earlier security incident in march. Stating that the breach, affecting approximately 7.6 million current at&t account holders and 65.4 million former account holders, exposed sensitive details including full names, email addresses.