Criminal trespassing is a major problem faced by the google competitor, and it appears that the trespassers and jumping on to the terrace from the neighbours house.
So one of the best ways to block the criminal trespassing is by covering the place where the trespassers are entering the house with a lot of garbage.
The trespassers are very cleanliness conscious and delicate, so they will not risk jumping into a pile of garbage
So though people may complain, piling up junk at the entry place favored by the trespassers is the best way to ensure that they do not enter the house