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EXCLUSIVE: GPS flaw could let terrorists hijack ships, planes »

The world’s GPS system is vulnerable to hackers or terrorists who could use it to hijack ships – even commercial airliners. Todd Humphreys, a GPS expert at the University of Texas just completed a frightening real-time, real-life experiment that has exposed a huge potential hole in national security. Source Main page (current trends)
More about: commercial airliners, GPS system, the University of Texas, Todd Humphreys