T-Mobile customers’ personal data sold to rivals

Graham Cluley
Graham Cluley
@[email protected]

The story dominating the British news this evening is the revelation that staff at one of the leading mobile phone company’s sold the personal details of thousands of customers for “substantial sums”.

Information Commissioner Christopher Graham refused to name the company concerned as it could prejudice a future prosecution, but told the media that the names, addresses, telephone numbers and information about customers’ contracts was stolen and sold on to other competitors.

You can imagine just how attractive it would be for one mobile phone company to know when another phone operator’s customers were approaching contract renewal.

Newshounds, ever keen to find out who might have been at the heart of the incident, approached Orange, Vodafone, 3, O2 and Virgin – all of whom said they were not being investigated. This left remaining operator T-Mobile in the uncomfortable position of confirming its involvement.

BBC News…

Read more in my article on the Naked Security website.

Found this article interesting? Follow Graham Cluley on Twitter or Mastodon to read more of the exclusive content we post.

Graham Cluley is a veteran of the cybersecurity industry, having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent analyst, he regularly makes media appearances and is an international public speaker on the topic of cybersecurity, hackers, and online privacy. Follow him on Twitter, Mastodon, Bluesky, or drop him an email.