摘要：IS (in formation system) and the inform atio n processed b y IS are very impo rtant facto rs to maintain allfun ctio ns and k eep th e d uty o f organization. Th e p rob lem s deriv ed from u nautho rized disclosu re,m odificatio n, and destructio n of imp ortant information or comp ro mise o f IS shou ld b e consid ered verycarefully becau se these can be con nected to eco nom ical lo ss o r the existence o f organizatio ns. IS carrieso ut critical ro le in the aspects o f promp titude an d exactitude, and m ost o rg an ization s are rely on th is IS tos ustain their existence. Therefore, in co mpetitive environm en t, fatal errors or com promise of IS are ab le tob e link ed to dangerous situation . An d to avo id th is situation , most organizatio ns invest m uch mon ey andeffo rt in security areas to protect th eir IS. An d these in vestments are realized in several way s to sho wso me characteristics. In th is paper, we summ arize research trend related to security management, andp ro pose futu re works
关键词：Security Level M an ag em en t; Security Evaluation; Information As surace
