The aviation sector is not immune to the cyber security risks that have been critical issues for all the other industries. Aircraft like the Boeing 777 are very complex systems that rely on many transponders to communicate their position to air traffic control. It’s quite difficult to hack all systems at once, including the on-board radios and the Aircraft Communications Addressing and Reporting System (ACARS), used to send messages or information about the airplane rather than voice transmissions. Consequently, an attacker with a deep knowledge of the plane’s system could intentionally cause serious problems with its normal operation. In this talk, we are going to take a look at the data communications of an aircraft, previous cases of the vulnerabilities that were exposed and the different threats and their corresponding attacks vectors. Additionally, the talk describes how the current recommendation standards address the security needs in the industry and the way forward for a secure future.