![Sophos Security show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/061/577/small/sophos-security.jpg)
Summary: Paul Ducklin, Head of Technology for Asia Pacific, discusses the true threat from 2009's widespread Conficker virus - which spread via a variety of techniques including USB sticks - with Patrick Gray, host of the ITRadio programme 'Risky Business'.