Incident

Home security/alarm company ADT reports second data breach in two months


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ADT, a company in the home and business security industry, has reported its second data breach in just two months, following an attack in which stolen credentials were used to gain access to its systems.

The breach report reveals that the attackers obtained credentials from a third-party business partner, which enabled unauthorized access to ADT's internal systems​. ADT detected the breach, terminated the unauthorized access and shut down some IT systems, causing temporary disruptions to business operations as servers and workstations were secured and restored.

The company also notified the third party whose credentials had been compromised and began an investigation with the help of third-party cybersecurity experts​. In addition, federal law enforcement was brought in to assist in the investigation.

According to ADT, encrypted account data for employee user accounts was exfiltrated during the intrusion. The company has not informed whether any customer data or security systems were compromised in this incident.

This attack follows an earlier incident in August 2024, when 30,800 customer records—including emails, addresses, user IDs, and purchased products—were leaked on a hacking forum.

Home security/alarm company ADT reports second data breach in two months