Phone hacking

[1] Although mobile phone users may be targeted, "for those who are famous, rich or powerful or whose prize is important enough (for whatever reason) to devote time and resources to make a concerted attack, it is usually more common, there are real risks to face.

[4] Reporters for News International would call the number of an individual's mobile phone, wait to be moved to voicemail, and then guess the PIN, which was often set at a simple default such as 0000 or 1234.

[14] Mobile phone microphones can be activated remotely by security agencies or telephone companies without physical access as long as the battery has not been removed.

[24] In December 2011, German researcher Karsten Nohl revealed that it was possible to hack into mobile phone voice and text messages on many networks with free decryption software available on the Internet.

He blamed the mobile phone companies for relying on outdated encryption techniques in the 2G system, and said that the problem could be fixed very easily.

In the News International phone hacking scandal, private investigator Glenn Mulcaire was found to have violated the Regulation of Investigatory Powers Act 2000.