A survey of computer security models Muttoo S.K.1, Kumar Sushil2, Tyagi Nidhi 1Department of Computer Science, University of Delhi, Delhi. Email: skmutto@cs.du.ac.in 2Department of Computer Science, Shobhit university, Merrut. Email: kumar.sk106@gmail.com Online published on 22 June, 2017. Abstract A security model maps the abstract goals of the security policy of information system by specifying information flow necessary to enforce the security policy. The security model that characterize the security goal in a form, which are then mapped to system details. The security model takes the requirement and provides the necessary mathematical formulas, relationships, and structure to be followed to accomplish the security goal. This paper gives brief introduction of security model from the beginning. Top Keywords Security, access control, information flow, confidentiality, subject, object, integrity, security policy, roles, permission. Top |