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 apologised for a technical problem which caused users' phone numbers to be disclosed when using its mobile data. The company said it normally only passed numbers to "trusted partners". A ...

Tests suggest some, but not all, O2 mobile data users are affected O2 has apologised for a technical problem which caused users' phone numbers to be disclosed when using its mobile data. The company ...

Mobile phone operator O2 admits some of its customers’ numbers have been exposed while they browsed the internet using their smartphones – but tells Channel 4 News the issue is now fixed. The numbers ...