Explore the critical intersection of computer security and aviation in this 28-minute talk. Delve into the fundamentals of airplane computer systems, including fly-by-wire technology and digital systems. Examine potential security challenges facing modern aircraft, from GPS jamming to vulnerabilities in in-flight entertainment systems. Learn about the components of in-flight systems, firmware updates, and the role of security researchers in identifying and addressing potential threats. Discover the findings of DHS hacking experiments and notable issues uncovered in avionics security. Gain insights into how the aviation industry is working to stay ahead of potential cyber threats and ensure the safety of air travel.