AT&T, a major American telecommunications company, disclosed a significant data exposure affecting its user base. In response, the carrier began resetting subscriber logins and passwords to prevent unauthorized access to accounts, a measure reported by MacRumor’s publication.
The incident impacted 7.6 million current AT&T customers and 65.4 million former customers. Personal login details and passwords linked to users’ accounts within the operator’s systems, along with other sensitive information, were compromised in the breach.
In 2021, hackers claimed to have accessed data covering more than 70 million AT&T customers. AT&T maintains that the source of the breach was not within its own infrastructure but originated with one of its contractors. The compromised dataset reportedly includes names, addresses, birth dates, AT&T account numbers, phone numbers, email addresses, Social Security numbers, as well as login credentials and passwords.
The stolen information was made public in March 2024. In response, AT&T initiated a password reset for affected users and stated that it was collaborating with external cybersecurity experts to further analyze the breach. The company emphasized that the leak did not pose a direct threat to customers’ financial assets at the time of disclosure, though it acknowledged ongoing risk assessment.
Earlier reports noted industry developments such as Tele2’s decision to rebrand following a shift away from its Swedish heritage, illustrating how data incidents can intersect with broader corporate and regulatory conversations.