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AT&T resets millions of passcodes after customer records leak

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Telecommunications giant AT&T announced Saturday that it had reset the passcodes of 7.6 million customers after determining that compromised customer data had been “leaked on the dark web.”

“Our internal teams are working with external cybersecurity experts to analyze the situation. » AT&T said. “To the best of our knowledge, the compromised data appears to be from 2019 or earlier and does not contain personal financial information or call history.”

The company said “information varies by customer and account” but could include full name, email address, mailing address, phone number, social security number, a person’s date of birth, AT&T account number, and passcode.

In addition to these 7.6 million customers, 65.4 million former account holders were also affected.

The company said it would “separately contact individuals whose sensitive personal information has been compromised and offer free identity theft and credit monitoring services.”

AT&T said it has reset passcodes for those affected and directed customers to a site with details on how to reset them. This too said that it was beginning a “thorough investigation supported by internal and external cybersecurity experts”.

A company representative did not respond to specific questions about how the breach occurred or why it went unnoticed for so long.

TechCrunch, who first reported password resetsaid it informed AT&T on Monday that “the leaked data contained encrypted access codes that could be used to access AT&T customer accounts.”

TechCrunch said it delayed publishing its article until the company “can begin resetting customer account passcodes.”

In its report, TechCrunch said that “this is the first time AT&T has acknowledged that the leaked data belongs to its customers, about three years after a hacker claimed responsibility for stealing 73 million AT&T customer records “.

AT&T previously denied a breach of its systems but it’s unclear how the leak occurred, TechCrunch reported.

AT&T said it did not know whether the leaked data “came from AT&T or one of its suppliers” and that it “had no evidence of unauthorized access to its systems resulting in the theft of the data set”.

The episode comes after AT&T customers experienced widespread outage last month, which temporarily cut user connections across the United States for several hours. The February 22 outage affected customers in cities including Atlanta, Los Angeles and New York.

At its peak, there were approximately 70,000 reports of interrupted services for the wireless carrier, according to Downdetector.comwhich tracks user reports regarding telecommunications and internet disruptions.

A few days later, AT&T offered customers affected by the outage a $5 credit in an effort to “make things right.”

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