With corporate espionage on the rise, you just cannot be too careful, right? We've all heard the horror stories: Someone takes a spreadsheet home to do a little number crunching on his personal PC and, next thing you know, some ne'er-do-wells in Tehran have the specs for the President's personal helicopter. Well, the brain trust at Fujitsu Labs has put its collective heads together and come up with a pair of new technologies aimed at preventing sensitive information from getting into the wrong hands. First, the "secure USB memory device" is a thumb drive containing a processor and a battery. Data security policies can be set to delete data