Newer models are programmed to return to base upon loss of communication.
Thus, this technology is rendered moot.
Years ago I worked on a paper for the DHS regarding pipeline cyber security. The phrase that stuck with me was “if you mandate a 12-foot fence somebody’s just gonna bring a 13 foot ladder”.
It was on that day I gave up.
The Brits are working on a system to take out drones at 22 miles ... using a laser.