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 ...

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 ...

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.

The mobile phone operator O2 is investigating a major security flaw which gives users' mobile phone numbers to every website they visit. Twitter users Lewis Peckover created a website on January 24 ...

An experiment set up by Lewis Peckover, a 28-year-old web systems administrator, called attention to the problem last night. Peckover showed that O2 was providing websites with the mobile number of ...