Mobile telecommunications operator O2 sends its customers’ telephone numbers to website operators when they visit their sites from their mobile phones, an engineer has discovered. Lewis Peckover, a ...

UK carrier O2 has apparently fixed the loophole that exposed subscribers' mobile numbers to websites they visited using their handset's data connection, though there's still no official explanation as ...

Update: Mobile operator O2 says that as of 2pm Wednesday, it has fixed the part of its mobile web browsing service that was reporting mobile phone users’ telephone numbers to websites they visited via ...

A security expert has said networks leaking your phone number to sites you visit is a problem several years old. Luke Westaway is a senior editor at CNET and writer/ presenter of Adventures in Tech, a ...