With the increase of drone use, by both hobbyists and commercially, many are concerned about their personal or business privacy. So as you could expect, there has grown an industry to detect and defeat those drones. From the simple 10 gauge goose gun to specialty ammunition for shotguns that deploy nets or bolos to entangle the blades to attack drones that disable or capture their targets with nets, to these guys.
“The rifle, called the DroneDefender, uses a radio pulse to disable a targeted drone within 400 meters. The gun causes the drone to think it’s out of range and enter emergency protocol, either causing it to land, hover or return to its point of origin.
http://www.battelle.org/our-work/national-security/tactical-systems/battelle-dronedefender
https:/www.youtube.com/watch?v=zX4XXLb_Vuw
Because the DroneDefender jams communications between the drone and the operator, it can also prevent any onboard self destruct mechanisms from going off.
Drone Shield is a company who is marketing both drone acoustic detection and then using portable radio interference to block controller commands. Taking it over to land or return to point of launch. God knows how much these things cost; but if you are serious about privacy around a facility; just fold it into the security overhead.
https:www.droneshield.com
videos galore.
Unfortunately, none of the electronic counter measures are FCC approved (I think). Like with cell phone jammers, they are sticklers about radio interference.
Ridge
Of course if you just like to hear the “BANG” and see a falling target, there are these
Ammo-
http://www.thefirearmblog.com/blog/2016/01/21/shot-2016-als-technologies-drones-beware/
DRONE MUNITION
http://snakerivershootingproducts.com/ammunition/