Since 2013, at least two prominent computer hackers have claimed they have the capability to take control of a modern airliner on a commercial flight by hacking into its sensitive flight management and control systems. These unsubstantiated claims have led to wild speculation about the possibility of terrorists and other malicious actors taking control of airliners and using them for deadly purposes.
But can an outside hacker really take control of an airliner full of passengers? The answer is “yes” – in theory. The computer networks on modern airliners are inherently vulnerable to attacks because the sensitive computer systems that control an airliner’s flight controls and other vital functions are connected to other networks that are accessible to the public. However, despite the two hackers’ claims, no individual or group has indisputably and publicly proven that they have the capability to take control of a commercial passenger flight.