Page last updated at 17:23 GMT, Thursday, 29 October 2009

Wi-fi hot spots are 'not secure'

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A BBC Watchdog investigation has discovered that wi-fi hot spots across the country are not secure - leaving tens of thousands of users at risk of fraud.

Crimewatch presenter and former policeman Rav Wilding is shown how susceptible his email is when his laptop is hacked into at a wi-fi hot spot.

Watchdog is broadcast on BBC One at 2000 GMT on Thursday 29 October or watch afterwards at BBC iPlayer .

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