Security System Design Patterns Based On The Risk Assessment

With the development of science and technology，people are not only satisfied the basicneed, the prefer to pursue the safety satisfaction, especially the security of personal propertyand themselves. However, science and technology seems like a double-edged sword. It bringsus a more convenient life, as well as the advanced tools for the criminals. In recent years,several serious incidents, happened in the society, not only make the citizen horrific, but alsobring the government a lot of presses. The security has been a very important word in thesociety.Security is by taking measures to make the target secure. Based on the China code of GB50348-2004, it has some disadvantage of classifying the risk place. It may cause some areas toprevent excessive, and some areas protecting inadequately. Based on the analysis above, thepaper argues the design model of the security system based on the risk assessment.It is based on the theory of system safety, combined with knowledge of criminalpsychology and crime prevention, to analyze the value of the target and its function andimportance. By identifying and analyzing its threat, and taking measures to make the targetsecure.In this paper, based on the results of risk assessment and protection level to design thesecurity system and choose the security equipment.