Research of TRBAC model and its application in enterprise MIS
Tian Xin-cheng · Jisuanji gongcheng yu sheji · 2008
Access control is an important part of the information system security in the enterprise environment,but the conventional models can't fully meet the changeful requirements of the enterprise environment,therefore task-role-based access control model(TRBAC) is introduced to satisfy the enterprise requirements.This model improved the flexibility of role-based access control model(RBAC),and enhances the security of the system by time restriction,minimal privilege restriction and responsibility separation restriction.And then the realization of TRBAC model is elaborated in enterprise privilege management for example.