Gillian Tett, US managing editor, talks to cyber security expert and CrowdStrike co-founder Dmitri Alperovitch about the countries that pose the biggest threat for the US government and the practical steps companies can take to avoid cyber attacks.<br /><br />► Subscribe to FT.com here: http://on.ft.com/2eZZoLI<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
