1. A method for use in identifying cyber-security threats for an aircraft, said method comprising: storing parts information relating to at least some hardware and software components used on the aircraft, including a map of how each hardware and software component is connected together within the aircraft; receiving, by a first computing device, a cyber-security threat; determining, based at least in part on the map, a potential path of the cyber-security threat to a targeted system of the aircraft; determining a number of components in the potential path between an entry point of the threat and the targeted system; and adjusting a threat priority in inverse proportion to the number of components in the potential path.