Security company ADT has disclosed a second cybersecurity incident in two months, involving the theft of encrypted employee account data. According to an SEC filing, the breach was discovered on October 2, 2024, and occurred through compromised credentials obtained via a third-party partner. A prior incident disclosed in August involved unauthorized access to customer order data, including contact details but not financial information or home security systems. ADT is currently investigating the latest breach but has provided limited additional details.