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Experian data breach hits more than 15M T-Mobile customers, applicants

Global information services group Experian announced Thursday that one of its business units had been hacked. The breach occurred on a server that contained data on behalf of one of its clients, T-Mobile. The data includes personal information for a combination of about 15 million customers and credit applicants in the U.S. The company said that the incident did not impact its own consumer credit database. The data also included applicants requiring a credit check for service or device financing from Sept. 1, 2013 through Sept. 16, 2015, Experian North America said in a statement. The ADRs of Ireland-headquartered Experian closed Thursday up nearly 1.7 percent to $16.38, while shares of T-Mobile were down more than 1 percent in extended trading. Experian said it took immediate action upon finding the breach: it secured the server, initiated a comprehensive investigation and notified U.S. and international law enforcement. The data stolen included names, dates of birth, addresses and Social Security numbers. No payment card or banking information was acquired, the company said.

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About Dan Raywood

Dan Raywood is the editor in chief of the IT Security Guru. A journalist with more than 13 years experience, Dan has been at the forefront of the information security industry.

As the news editor of SC Magazine he covered breaking stories such as Stuxnet, Flame and Conficker and the online hacktivist campaigns of Anonymous and LulzSec, and broke the news on the EU’s mandatory data breach disclosure law and a vulnerability which affected more than 200 sites.

Contact Dan on dan@itsecurityguru.org, by phone on 0207 1832 839