O2 has just issued an urgent warning to its customers after the discovery of a fake text message that suggests a SIM is about ...

Convincing text message has forced U.K. carrier O2 to warn its users to be on high alert. The text is designed to look like ...

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 ...

O2 has fixed a bug in the way it handles mobile broadband traffic that saw its customers unwittingly exposing their mobile phone numbers to website owners. The operator apologised for the apparent ...

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.

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 ...

O2 has issued an apology for the major security flaw which saw the mobile network accidently leak users' mobile phone numbers to every website they visited. The mobile network blames technical changes ...

· New, free-to-download app lets users make and receive calls, texts and voicemail from their existing O2 number on any supported device · Calls are charged in line with a Pay Monthly tariff – with ...