How to ensure home security?

Home security is as important as home itself. There are three steps of security- prevention, detection and post investigation in case of unfortunate event.
It would not be contradicted if we agree that the foremost importance is the step one: prevention.Following measures can help us prevent such events

Physical and electronic barriers must be introduced.
Physical barriers - Deter and slow the entry of criminals into a restricted area.
Outside chain link fences.
Exceptionally strong doors.
Quality mechanical locks.
Appropriate inside and outside lights.
Audio video door entry systems- to restrict entry

source: www.digitalsindia.com