September 18, 2008 - Cyber Security Cyber Security Witnesses Paul Kurtz Former Senior Director, Critical Infrastructure Protection White House Homeland Security Council   Amit Yoran Former Director, National Cyber Security Division Department of Homeland Security   John Nagengast Former Assistant Deputy Director National Security Agency   Martha Stansell-Gamm Former Chief, Computer Crime and Intellectual Property Section Department of Justice   Suzanne Spaulding Former Minority Staff Director House Permanent Select Committee on Intelligence