1. A database system comprising: a plurality of database objects, each database object having a level of security, at least some of the database objects comprising data; a plurality of factors, each factor representing a characteristic of a user of the database system attempting to access data in the database system; at least one database session of the user in the database, the database session having a level of security, the user communicatively connected to the database with one of a plurality of network domains, each network domain having a level of security; wherein the database system is operable to grant or deny access to the data to a user based on the factors associated with the user, based on the level of security of the data, based on the level of security of the database session, and based on the level of security of the network domain.