O2 is urging customers to 'call three digit number and contact bank' in new alert

Mobile phone network operator O2 is urging customers to call a three-digit number and, if necessary, contact their bank as ...

O2 issues new text and email alert urging customers to 'call three-digit number'

Mobile phone network operator O2 is encouraging customers to dial a three-digit number and, if required, contact their bank ...
Bleeping Computer

O2 UK patches bug leaking mobile user location from call metadata

A flaw in O2 UK's implementation of VoLTE and WiFi Calling technologies could allow anyone to expose the general location of a person and other identifiers by calling the target. The problem was ...