O2, once Apple’s exclusive cell phone company reseller of iPhones in the UK, has been caught exposing user phone numbers in the headers sent to websites its customers visit while using its 3G network.

UK carrier O2 finds itself embroiled in data protection controversy today, with allegations that the operator is revealing mobile users cellphone number to each website they visit on their phone.

O2 says it has now fixed a data breach which saw mobile internet users' phone numbers given out to websites. The mobile giant admits a technical glitch meant customers' numbers were sent to website ...

nepalnepal — An untold number of U.K. residents may have unwittingly broadcast their numbers to sites across the Web while browsing the Internet with their cellphones during the past two weeks. Mobile ...

O2 may also be unwittingly assisting spammers, allowing them to match email addresses with phone numbers. See below for more updates. If you reside in the UK and you are one of the millions of ...

Earlier this morning we reported that UK mobile operator O2 has been sending its customers’ mobile numbers to websites, effectively allowing website owners to monitor its visitors. The issue was ...

O2 has faced a flood of criticism on Twitter after it was accused of sharing mobile phone users' personal information with every website they visit. The mobile carrier has allegedly been transparently ...

Virgin Media O2 has raised concerns over a growing wave of AI-powered fraud, revealing that scammers are increasingly using artificial intelligence tools to direct consumers to fake customer service ...

O2 is to launch a fixed/mobile convergence service for small businesses, the company has said. The service, called Fixed Number Anywhere, will give users a landline-style number that channels calls ...

O2 has today launched a new app that allows its customers to take their phone number onto multiple devices to make calls and texts - and we've tried it out. Using similar Voice over IP technology as ...