T-Mobile is investigating a potential data breach after a hacker claimed to be selling the personal data of more than 100 million people obtained from the telecommunications company’s servers, Vice reports. The data allegedly includes Social Security numbers, names, addresses, driver's license data and more. The seller said multiple T-Mobile servers were compromised with “full customer info.” They asked for $270,000 for a portion of the data allegedly containing 30 million Social Security numbers and driver's licenses.