Labels:book | daily | earth | sky | tree | windowpane OCR: UNBREAKABLE CODE found recalls, the Icalled other to be Hellman, the and most we each informed immediately person in By Roger Rapoport this tions field not governed by federal security regula- The problem they were trying to solve is lodged deep T modern code practices. Most coded messages these days are sent from one computer Were you the sort of 'kid who loved to fiddle with another over telephone lines. For confirmation, secret -code ring? Do you send messages that you they are also sent by courier But that doesn't come wouldn't want business competitors to intercept? cheap and often means delays when long dis- Perhaps you cringe ar the thought ofa tax audit If tances are involved computer-wise thief who so you re going to love this wormed his way into bank message network can For years ...