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T-Mobile suffers another data breach, customer phone numbers, call records possibly accessed

Updated: Nov 15, 2022

T-Mobile recently experienced a data breach in which some of its customers had their information, including “call-related information,” exposed to hackers.

In a notice on its website, the telecom giant said a security incident occurred that saw “customer proprietary network information” (CPNI) improperly accessed. Some of the CPNI may include “phone number, number of lines subscribed to on your account and, in some cases, call-related information collected as part of the normal operation of your wireless service,” T-Mobile said.

The company added the breach, reported to have impacted approximately 200,000 customers, did not include financial information, such as names on the account, credit card information, social security numbers, tax ID, passwords or PINs.

In an email to FOX Business, a T-Mobile spokesperson said the company notified the less than 0.2% of customers affected.

“We identified this attack in early December and quickly shut down the incident,” the spokesperson added.

The company has experienced several other security breaches in recent years.

In 2018, a breach impacted the personal information of 2 million customers, with hackers gaining access to names, billing ZIP codes, email addresses, phone numbers and account data. In 2019, another 1 million prepaid customers had their information compromised by hackers.

In March 2020, the company suffered yet another breach, after hackers gained access to T-Mobile employee emails while also gaining access to certain financial customer data.

Shares of T-Mobile were down more than 2.5% in mid-day trading on Monday.

Source: Fox Business

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