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Keeping a step ahead of cyber criminals

The threat to business from cyber attacks is increasing, with hackers becoming far more sophisticated. How can companies keep one step ahead of the cyber criminals?

One of the biggest issues facing companies globally is security - not of their physical assets, but of their computer networks and data centres.

Hacking has been "industrialised", says security expert Tom McDonough, with criminals even selling hacking kits - with a promise of refunds if they do not work.

So how do you protect yourself against cyber attacks? Mr McDonough, president of Nasdaq-listed Sourcefire, a cyber security intelligence company, shares his thoughts.