Past wars have started for the most trivial of reasons. In the 21st century, will one countrys cyberattack on another trigger the end of days? Maybe were being paranoid; experts now suspect North Korea had nothing to do with the recent Sony data breach. On the other hand, if there was a major cyberattack, our world is terrifyingly reliant on the internet: energy supplies, air traffic control and even traffic lights would be down or deadlocked within hours. Should we be concerned? Join cybercrime researcher Bill Buchanan on day zero of Armageddon and decide!