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AskCyber Home » News » News » T-Mobile Suffers Another Cyberattack

T-Mobile Suffers Another Cyberattack

2021-01-05 by Michelle Dvorak

T Mobile Cyberattack

Wireless Carrier T-Mobile Hit with Fourth Data Breach Since 2018

Note: We are reader supported and may earn a small commission when you click on links in posts

Wireless carrier T-Mobile announced that the company was again the target of a successful cyberattack. The attackers accessed information related to customers’ T-Mobile accounts. The cyber security incident announcement did not include the dates of the attack or exactly what information was accessed by the cybercriminals.

“Our Cybersecurity team recently discovered and shut down malicious, unauthorized access to some information related to your T-Mobile account,” says the statement from T-Mobile on their website.

  • READ: T-Mobile Hack Am I Affected?

At this time, it is believed that the attackers did not access names on the account, physical addresses, email addresses, financial data, credit card information, social security numbers, tax ID, passwords, or PINs.

T-Mobile did not state what information was accessed for exfiltrated by the cybercriminals. The company also did not state how many customers the attack impacted.

In April 2020, T-Mobile and Sprint merged to become the largest 5G carrier in the United States.

  • READ: TrickBot Malware Targets Cellular Carriers

“We take the security of customer information seriously and, while we have a number of safeguards in place to protect customer information from unauthorized access, we will continue to work to further enhance security so we can mitigate this type of activity,” said T-Mobile in the announcement.

T-Mobile Cyberattacks

This is the fourth successful cyberattack against the wireless carrier since in the past three years. In 2018, cybercriminals exfiltrated the personal information of over two million T-Mobile prepay and post-pay customers.  In that security incident, the stolen data included customer names, phone numbers, e-mail addresses, and account numbers.

A T-Mobile data breach happened again in 2019 when attackers stole account information from one million T-Mobile prepaid plan customers. In 2020 T-Mobile was once again hacked. In that security incident, the aggressors hacked into employee email accounts. They also took customer financial data.

Filed Under: News Tagged With: TrickBot

About Michelle Dvorak

Michelle writes about cyber security, data privacy focusing on social media privacy as well as how to protect your IoT devices. She has worked in internet technology for over 20 years and owns METRONY, LLC. Michelle earned a B.S. in Engineering from Rensselaer Polytechnic Institute. Michelle published a guide to Cyber Security for Business Travelers


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