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It seems like every bus shelter you pass features a back-lit silhouette of a dancing girl or boy with wires coming out of their ears. You don't have to read the logo to know that it's another ad for iPod. But did you know that the ad is doing wonders for Apple PCs?
In these pensive days, where a backpacker on a bus could pose more of a threat than a cave-dwelling Taliban, Governments and corporations are hungry for technology that will help secure their people and resources. It has fed a boom in the defence tech sector; a world of cutting-edge machinery and multi-million dollar contracts, and home to some of the world's keenest strategic and technical minds. Several Australian companies are emerging as genuine players in this highly competitive space. Liz Heynes and Catherine Kerstjens take a look at six on this new front line.