CPTED Crime Prevention Through Environmental Design, the basics
The next step is using Passive controls that may add to the cost of the project, but have no real maintenance costs like mirrors, sidewalk pavement design (to separate one groups area from another), and even walls and fences.
Lastly any further vulnerabilities, can be addressed with Active measures, like lighting, CCTV, Alarms,things that cost in both purchase costs as well as maintenance costs, and up keep like power costs.
If designed well, passive measures should reduce the need for as many active measures, normally used.
For property managers, any reduction in Active Measures, means less cost and less upkeep.