Cyber-attack risks examined by Rory Cellan-Jones
15 August 2012 Last updated at 12:48 GMT Help
Technology correspondent Rory Cellan-Jones looks at the security of the internet, the risks of cyber attacks, and how a technology writer had his accounts hacked.
He explained that in an era where web users put more and more of their lives online, "we're coming to terms with new dangers".
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