Hide a GPS spoofer (illegal) at a central train station to make all trains believe they are at the forbidden workshop location and make them brick themselves? Could it be that easy?
The target doesn't need to be airborne for such an attack to work.
>A "proof-of-concept" attack was successfully performed in June 2013, when the luxury yacht White Rose of Drachs was misdirected with spoofed GPS signals by a group of aerospace engineering students from the Cockrell School of Engineering at the University of Texas in Austin.
> The target doesn't need to be airborne for such an attack to work.
I mean, the spoofing signal needs to usually come from sky. You want to hinder the original signal and makes yours stronger. Of course, signal can be reflected and there are other means to reach this.
Can you elaborate on why you think that "the spoofing signal needs to usually come from sky"? As far as I understand, it literally never comes from the sky, in every single case it involved ground-based transmitters.
The GPS system doesn't use the direction to the GPS satellite for localization but rather only the distance i.e. timing, so spoofing GPS is based on accurate control of the time of the transmitted (or replayed!) signals.
> The GPS system doesn't use the direction to the GPS satellite for localization but rather only the distance i.e. timing, so spoofing GPS is based on accurate control of the time of the transmitted (or replayed!) signals
GPS uses Signal-to-Noise ratio for determinating the signal quality and integrity. Horizontal signal will suffer pretty fast. Especially if your receiver is sophisticated and could actually detect the signal strength (power) outliers. If you want to spoof GPS signal very well, it should be also weak. But weak signal will quickly disappear with ground-based transmitters.
I used ”strength” incorrectly on the previous comment.