Comment Nothing is hack proof (Score 1) 971
If it sensed an attempt to jam GPS signals it would switch to other navigation aids such as airport beacons.
And if the terrorists jam both GPS signals and airport beacons? Once you kill outside input to the plane, the plane doesn't know where it is, and can't avoid softwalls.
Worse yet, what if some airplane mechanic is a terrorist, and adds a little trojan to every plane he services? All of a sudden, when a certain signal is detected by the trojan from the ground, the softwalls prevent the plane from flying anywhere except a direct route into the White House.
And if the terrorists jam both GPS signals and airport beacons? Once you kill outside input to the plane, the plane doesn't know where it is, and can't avoid softwalls.
Worse yet, what if some airplane mechanic is a terrorist, and adds a little trojan to every plane he services? All of a sudden, when a certain signal is detected by the trojan from the ground, the softwalls prevent the plane from flying anywhere except a direct route into the White House.
