Security systems are commonly installed in homes and businesses for security purposes. A security system is a way that homeowners and business owners find a sense of peace and safety. Most systems are considered local security systems. They are installed by a professional company and are monitored daily. A system will alert the homeowner if a door or window is opened, and will alert them if someone has broken into the home. They offer a sense of security for homeowners as well. When people are away from their home, a local security systems company monitors the property. If an alarm goes off, the company calls local authorities to the address. The authorities will check the property and make sure that everything is okay.