Alarm isn't that bad either, although there are better moves. Most moves like Cosmic Song, Bash Jam, Springlocks are very great moves to use for damage. After defeating this encounter, Security will snap out of the changes they made and join your party. When interacting with them, they will reveal that they tampered with Security's mechanics to fight alongside them in the Bonnie, Chica, Foxy and Security encounter.
Once doing that, all three locked gates will be opened and all three will be guarding Freddy's tent. To unlock Security, you must first defeat Bonnie, Chica, and Foxy in Freddy's Land. It has a total of twelve, purple-dotted holes on its belly and has two gray floating cylinder mechanisms next to it.
The color from its blinking eyes are mismatched the right eye being green while the left is red. Security has an appearance similar to that of an owl, but appears to be robotic with a silver color with larger eye-sockets.