DEFEATING SATELLITE SPOOFING WITH GALILEO'S ENCRYPTION

Summary from the TLDR Hardware newsletter

Satellite navigation systems are surprisingly vulnerable to a variety of attacks, ranging from jamming to more sophisticated spoofing attacks. Europe's Galileo GNSS system aims to fix this. The system produces a cryptographically secured position to prevent spoofing. While it is complicated, it works, and tests show that a stable lock can be achieved on the receiver even during spoofing. The method can, in principle, be extended to other GNSS systems.