I’m pretty sure it’s like you make sure you stop vandalism before it starts like if someone’s in front of you and about to vandalize something then try to stop them. idk?
Lock security gates and all other entrances and exits.
Locking doors and gates are the least expensive option for preventing vandalism. The simple act of locking a door can prevent an act of vandalism. Vandals tend to look for easy targets. Every extra step they have to go through encourages them to go elsewhere