Imagine the kind of havoc a malicious*hacker*could cause if he or she were able to take over an airplane simply using his*Androidphone. With a tap of his or her fingers, the hacker could arbitrarily control the plane remotely and redirect its path. If you think this is only something that could happen in a Hollywood movie, think again, because that's exactly the scenario a German security researcher laid out on Wednesday at a conference in Amsterdam.Hugo Teso, a security researcher for the German IT consultancy firm*N.Runs