Truckers have been doing that for a while. It's become a serious threat to the safety of those using GPS only for the last few years when the Russians started d

Truckers have been doing that for a while. It's become a serious threat to the safety of those using GPS only for the last few years when the Russians started doing it for entire regions. There will always be holes in technology that exist to be exploited for nefarious purposes. The best way to deal with it is to present strong consequences for those who would exploit them.