A new information security model based on BLP model and Biba model

This paper gives a new function C(N, /spl alpha/, /spl beta/) of information security, which is based on confidentiality and integrality, with a new concept which is the concern degree of information. The categories in the BLP model is improved and the classifications in the BLP model is replaced with C(N, /spl alpha/, /spl beta/), this way, a new information security model is described, which use similar definition and rules of operation in the BLP model, which is an expansion of the BLP and Biba model.