Kocher, DeSouza on NSA Probe of Nasdaq Hacker Attack

March 30 (Bloomberg) -- Paul Kocher, president of Cryptography Research Inc., and Francis DeSouza, senior vice president at Symantec Corp., discuss the National Security Agency's decision to join a probe of the October cyber attack on Nasdaq OMX Group Inc. They speak with Cory Johnson and Emily Chang on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)