How to hack a phone like News of The World journalists did

Via Reuters:

World renowned computer hacker, Kevin Mitnick, shows you step-by-step how the News of the World journalists hacked into private voicemails.

Shockingly easy to do with some open source software as Mitnick explains. If you access your mobile phone voicemail without a password, is that a risk worth taking?

(Background: News International phone hacking scandal)

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