There are a lot of things that you can do to enhance the security of a specific area or property, but the thing which will provide a greater basis for great security more than anything else are surveillance systems.

Surveillance systems can help in a number of different areas; they can help you form a quick response strategy to ongoing security breaches, to provide you with information which may be useful during a prosecution / investigation, and as a deterrent factor for minor infractions.

By having a surveillance system with some means of creating warnings, whether through a computer program or through somebody manually reviewing the feed in real time, you can respond quickly to a matter which would otherwise have avoided detection for longer than would be of use.

An investigation into a theft or assault of some sort can be helped immensely by a surveillance system which is able to capture an identifying feature of the offending party. This could help them track the person down or help in a prosecution and in potential civil proceedings.

Many people who may be inclined to try and damage property, or commit theft will be disinclined to do so if they see they are in clear view of a camera, so it acts as a great deterrent factor as well.