Sydney Airport is one of the busiest and most critical infrastructure sites in Australia, serving millions of passengers and handling vast amounts of cargo every year. In operation since 1919, it?s one of the world?s oldest continually operating airports. Over 44 million passengers embark or disembark at Sydney Airport every year, with tens of thousands flowing through the airport daily.And with three runways, it also holds the title of Australia?s busiest airport. With such high stakes, securit