Commercial Flights Are Experiencing ‘Unthinkable’ GPS Attacks and Nobody Knows What to Do::New “spoofing” attacks resulting in total navigation failure have been occurring above the Middle East for months, which is “highly significant” for airline safety.
Anyone with the ability to jam GPS can easily spoof VOR signals.
But in this case, they’re not. Plus, the crew are going to be the ones determining if their VOR/DME makes sense or not.
We don’t know that they aren’t spoofing VOR/DME as well. We might be seeing reports from affected aircraft, rather than specifically targeted aircraft.