Mr. Winkler is recognized as one of the world's foremost experts in Internet security, information warfare, information-related crime investigation, and industrial espionage. Currently founder and president of the Internet Security Advisors Group (ISAG), Mr. Winkler began his career in intelligence collection and analysis systems design at the National Security Agency (NSA). He is author of Spies Among Us (Wiley, 2005), and Corporate Espionage (Prima Publishing, 1997).