Many homeowners and businesses feel that not having a security system is akin to leaving their keys in a vehicle. Many believe it is an open invitation for criminals. The number of security cameras purchased over the past decade has dramatically increased. A Cctv home security system can deter crime and will provide evidence in the event of a break-in. In fact, many insurance companies offer discounts to homeowners that install a home security system. The next step is choosing a system and properly placing and setting up the system.