35 million flights will take off and land this year. Each flight is tracked on the ground by air traffic control and there’s technology on the plane. But what is stopping a hacker from sitting in front of their computer and disrupting the computer system? That is what a team of the University of Oxford are trying to work out. In this week’s Big Question podcast we are visiting Dr. Martin Strohmeier researcher in systems security in the Department of Computer Science asking: Can you hack an aeroplane?