Editing Spoofing attack (section)

===GPS spoofing with SDR===
Since the advent of [[software-defined radio]] (SDR), GPS simulator applications have been made available to the general public. This has made GPS spoofing much more accessible, meaning it can be performed at limited expense and with a modicum of technical knowledge.<ref name=defcon25>{{cite web|url=https://www.youtube.com/watch?v=isiuTNh5P34|title=DEF CON 25 - David Robinson - Using GPS Spoofing to control time|last=DEFCONConference|date=27 October 2017|access-date=7 April 2018|via=YouTube}}</ref> Whether this technology applies to other GNSS systems remains to be demonstrated.