A Study of Generalized Environment-Adaptable Multi-Policies Supporting Framework

Nowadays, flexible and adaptive policies must be enforced into automated information systems （AIS） to cope with the complex and capricious security environment Based on the development of RFSOS security OS and study of FLASK and DTOS, a multi policies supporting framework-Guards which is adaptive to the changeful security environment, is put forward and compared with FLASK according to the nine criteria The prototype has been implemented in RFSOS