**FILE** Gen. Keith B. Alexander, director of the National Security Agency and head of the U.S. Cyber Command, testifies before the House Permanent Select Committee on Intelligence on Capitol Hill in Washington on June 18, 2013. (Associated Press)

Photo by: J. Scott Applewhite

**FILE** Gen. Keith B. Alexander, director of the National Security Agency and head of the U.S. Cyber Command, testifies before the House Permanent Select Committee on Intelligence on Capitol Hill in Washington on June 18, 2013. (Associated Press)