Suzanne Spaulding, US Department of Homeland Security Under Secretary, tells the FT's Gillian Tett how the US government can work with the private sector to guard against network cyber attacks.<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