order to improve and maintain the security of the Information System (IS, hereafter), there is need to build risk analysis … threats based on an existing designed security ontology. To validate the feasibility of the approach a case study on e …

state of the art of information security, the importantissues confronting managers, security enforcement measure … a scheme for probabilistic evaluation of the impact of security threatswith some illustrative examples. It involves … arisk management system for information systems security incidents in five stages: 1-Resource and application value analysis …