A general discussion of building detection and alarm systems to provide security against burglary and vandalism is provided by a manufacturer of automated monitoring and control systems. Security systems are identified as--(1) local alarm system, (2) central station alarm system, (3) proprietary alarm system, and (4) direct connect alarm system.. Detection devices are briefly described for perimeter, area, and object protection. A discussion of economic factors includes a comparison of different security systems. Additional topics cover line protection, access control, watchman tour systems, equipment surveillance, and centralized control systems. (MM)