An enterprise security search system based on multilevel sharing-group access control

With the development of internet and the build of enterprise information, enterprise information resources are integrated and enterprise search engines are built. They have been become a hot topic of enterprise information. LogicSQL is a high-level security database system, and it is independently developed. The development of enterprise internal search system is based on LogicSQL security database. We must utilize the information such as employees, customers and partners\´ knowledge and experience, but the security of the information should be controlled. Multilevel sharing-group access control is a good way to build a security system, and a complex problem will be divided into a number of small problems. Multilevel relationships between sharing-group have the function of the BLP model\´s "write-up and read-down" security policy. Information integrity control function such as the BIBA model is achieved by zoning sharing-group. When the users search the same content, they can have different search results in the enterprise security system. Enterprise information is made use of, and the security of the information is completed in the enterprise security search system.