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T-Mobile has been hacked... again.  37 million customer data stolen

Wi-fi community operator T-Cellular has suffered one other information breach.

Based on a discover filed with the US Securities and Change Fee (SEC), T-Cellular found on January 5, 2023 that hackers had exploited a weak spot within the firm’s API to steal information.

T-Cellular’s preliminary investigation has discovered that hackers have stolen the main points of “roughly 37 million current postpaid and pay as you go buyer accounts.”

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Though the API didn’t grant entry to prospects’ social safety numbers, passwords, cost card particulars, and different monetary account info, it seems that a lot of prospects have seen the next particulars uncovered:

  • Identify
  • Delivery Handle
  • E-mail
  • cellphone quantity
  • date of beginning
  • T-Cellular account quantity
  • info such because the variety of strains on the account and plan options

So it is excellent news that your cost info hasn’t been stolen, however the info you is now within the fingers of hackers is unquestionably sufficient to tear off unsuspecting T-Cellular prospects.

We should not be in any respect shocked if scammers use info they’ve stolen from T-Cellular to ship convincing phishing messages, maybe posing as professional communications from the telecommunications firm, with the intent of tricking unsuspecting recipients into sharing extra confidential info.

Based on T-Cellular, the attackers first exploited the affected API round November 25, 2022. Meaning they might have been accumulating information on T-Cellular prospects for greater than a month earlier than their unauthorized entry was observed. approved.

T-Cellular says it’s informing affected prospects of the information breach and has notified federal authorities and legislation enforcement.

I’ve final counted what number of instances T-Cellular information has been breached; These are a few of the incidents I do know of:

August 2021 – T-Cellular warned that cybercriminals had accessed buyer names, driver’s license particulars, authorities identification numbers, Social Safety numbers, dates of beginning, T-Cellular pay as you go PINs, addresses and cellphone numbers. cellphone.

T-Cellular’s affirmation got here days after a hacker provided on the market on an underground discussion board information associated to what they claimed had been 100 million T-Cellular customers.

January 2021 – Hackers managed to entry buyer account info that will, within the phrases of T-Cellular, “have included the cellphone quantity, the variety of strains subscribed to in your account, and in some circumstances, info associated to calls collected as a part of the traditional operation of your wi-fi service.”

March 2020 – T-Cellular reveals that hackers broke into worker e mail accounts and stole buyer account info.

November 2019 – T-Cellular confirmed that multiple million pay as you go prospects had been affected by a breach by which hackers accessed their names, cellphone numbers, billing addresses, T-Cellular account numbers, and price particulars. and plans.

August 2018 – Hackers stole particulars of two million T-Cellular prospects.


In 2021, T-Cellular “started a considerable multi-year funding working with main third-party cybersecurity specialists to enhance [its] cybersecurity capabilities and remodel [its] cybersecurity strategy.

The corporate says it has “made substantial progress to this point, and defend [its] buyer information stays a high precedence.”

It is all fairly miserable, is not it? Here is an image of the T-Cellular retailer in Occasions Sq. to cheer you up.

T Mobile in Times Square

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Graham Cluley is an antivirus trade veteran who has labored for varied safety firms because the early Nineties, when he wrote the primary model of Dr Solomon’s Anti-Virus Toolkit for Home windows. He’s now an unbiased safety analyst, seems repeatedly within the media, and is a world public speaker on the subject of pc safety, hackers, and on-line privateness. Observe him on Twitter at @gcluleyin Mastodon in @[email protected]or ship him an e mail.


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T-Mobile has been hacked… again. 37 million customers’ data stolen • Graham Cluley

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