June 6, 2023

T-Mobile USA Inc. has launched an investigation into a hacker advertising allegedly stolen customer records on a popular hacking forum.

The hacker, who goes by the name of “Subvirt,” made the post on Raids Forum and is asking for a payment of 6 bitcoin ($286,000) from other hackers who may want some of the stolen data specifically stolen Social Security numbers and driver’s license details.

The hacker claimed to have hacked into T-Mobile’s production, staging and development servers two weeks ago, including an Oracle server containing customer data.

The stolen data is said to include more than 100 million T-Mobile customer records and includes International Mobile Subscriber Identity numbers, International Mobile Equipment Identity numbers, phone numbers, customer names, PINs and date of birth as well as the Social Security and driver’s license numbers. Motherboard noted that the alleged hacker is selling the other data privately.

A big hack listed on the site would result in various comments from other users. The only comment is the alleged hacker posting “bump” to try to get attention to the listing.

If T-Mobile has been hacked, it won’t be the first time. The company is somewhat infamous for its lax security and how often it’s targeted and hacked. If confirmed, this will be the fifth hack of T-Mobile since 2018. The most recent hack was revealed in January and described by the company as a “security incident” involving “malicious, unauthorized access” to some information related to T-Mobile accounts.

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