CHAPTER 8 The telephone call came as an unpleasant surprise. Mark wasn't expecting this sort of a reaction. Nor anything so quickly. Using Fred's know-how, he had been hacking GI's systems on a regular basis. Fred knew all the tricks, and he, Mark, had got the hang of this hacking business quickly. It was so simple he hadn't believed it at first. The same programmers who were building ever more complicated security systems were the same people who, presumably, were providing the hackers with their know-how. The buggers were cashing in twice. Mark couldn't agree with the principles of the game, but he was on the right end of the stick and could afford to sit back and enjoy the show. Greenspan’s secretary had informed him that her boss was flying to Frankfurt especially to meet him. Tha

