Hackers armed with little more than a laptop computer could conjure up phantom planes on the screens of Australia's air traffic controllers using new radar technology, Dick Smith haswarned. The prominent businessman and aviator claims to have found another security flaw in the new software being introduced in the air traffic control system. He has challenged Transport Minister Warren Truss to allow him to set up a demonstration of the problem at a test of the technology in Queensland to show how hackers could exploit the automatic dependent surveillance broadcasting (ASD-B) system to create false readings on an air traffic controller's screen.

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