AT&T discloses leak of 73 million accounts to darkish net

Information from 73 million present and former AT&T accounts seems to have been leaked onto the darkish net, the communications firm stated Saturday.

The information set was launched about two weeks in the past onto the darkish net, which can be utilized for criminal activity by nameless criminals. It could have included data equivalent to Social Security numbers, cellphone numbers, e mail addresses, full names, dates of beginning and mailing addresses, in line with AT&T’s be aware to clients. The firm stated it reset the passcodes of seven.6 million present clients.

The firm stated it’s investigating with the assistance of inside and outdoors cybersecurity consultants, and has not decided but if the information got here from AT&T or one in every of its distributors.

“Currently, AT&T doesn’t have proof of unauthorized entry to its techniques leading to exfiltration of the information set,” the corporate stated in a press release.

The information seems to be from 2019 or earlier, and accommodates data from 7.6 million present AT&T account holders and about 65.4 million former account holders, AT&T stated.

The firm stated it was notifying clients whose information was leaked and would pay for credit score monitoring when relevant.

Many high-profile corporations have suffered information breaches, together with each of AT&T’s greatest rivals. Verizon has seen a number of studies of knowledge leaks over time, and T-Mobile has had no less than eight incidents since 2018, together with a 2021 occasion wherein hackers stole the information of tens of millions of consumers. This 12 months, a hack at a third-party firm could have uncovered the account data of American Express cardholders.

AT&T was thrust right into a harsh highlight final month when an enormous cellphone outage affected greater than 1.7 million clients and disrupted 911 providers in some states. The firm stated it was brought on by a technical error, not a cyberattack.

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