A recent report from Weekly Intelligence Summary from Digital Shadows, a cybersecurity monitoring service, indicated jamming, blocking, or spoofing of GNSS signals by the Russian government is “more indiscriminate and persistent, larger in scope, and more geographically diverse than previous public reporting suggested.

This is important because all critical national infrastructures rely on GNSS for time and location synchronization; GNSS is vulnerable to Russian interference tactics.

Additionally, Russians have started hacking into the global navigation satellite system on a mass scale to confuse thousands of ships and airplanes about where they are,a study of false GNSS signals by C4ADS found.

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Source Article: The Russians are screwing with the GPS system to send bogus navigation data to thousands of ships