AT&T data breach exposes 73 million current, former accounts on dark web, company says

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AT&T confirmed connected Saturday that a full of 73 cardinal existent and erstwhile customer accounts were leaked to nan dark web astir 2 weeks ago. 

The institution said it is assessing nan breach and whether nan data, which includes Social Security numbers, came from AT&T itself aliases 1 of its vendors. 

The information appears to beryllium from 2019 aliases earlier, cybersecurity experts hired by AT&T to do a "robust investigation" found, affecting 7.6 cardinal existent relationship holders, and astir 65.4 cardinal erstwhile relationship holders.

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"Currently, AT&T does not person grounds of unauthorized entree to its systems," nan institution said successful a release. "The institution is communicating proactively pinch those impacted and will beryllium offering in installments monitoring astatine our disbursal wherever applicable."

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AT&T storefront

AT&T confirmed connected Saturday that a full of 73 cardinal existent and erstwhile customer accounts were leaked to nan acheronian web astir 2 weeks ago.  (Robert Alexander/Getty Images / Getty Images)

AT&T said it encouraged existent and erstwhile customers to sojourn its account information page for much information. 

The institution said it has already reached retired to nan 7.6 cardinal existent customers and reset their passcodes and are successful nan process of reaching retired to erstwhile customers.

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"We promote customers to stay vigilant by monitoring relationship activity and in installments reports," AT&T said. "You tin group up free fraud alerts from nationwide in installments bureaus — Equifax, Experian, and TransUnion." 

An AT&T store

The institution said it is conducting a "robust investigation" to find nan root of nan breach.  (Jeremy Moeller/Getty Images / Getty Images)

A twelvemonth ago, nan institution revealed astir 9 cardinal customers had been hacked by 1 of its vendors, exposing Customer Proprietary Network Information (CPNI), which includes accusation for illustration first names, wireless relationship numbers, wireless telephone numbers and email addresses.

An iPhone prompting to participate nan passcode

The accusation leaked successful nan breach was from 2019 aliases earlier, nan institution said.  (Jaap Arriens/NurPhoto via Getty Images / Getty Images)

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An AT&T spokesperson said astatine nan time, "A mini percent of impacted customers besides had vulnerability of complaint scheme name, past owed amount, monthly costs amount, various monthly charges and/or minutes used. The accusation was respective years old."

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foxbusiness.com