1. In a computing environment, a computer-implemented method, comprising: maintaining, by a computer, a plurality of policies as centrally maintained application system resources available to one or more applications through an intelligent trust manager, wherein the policies are isolated from the one or more applications; implementing the plurality of policies in a plurality of policy objects, wherein the plurality of policy objects are organized in a hierarchical grouping; receiving action information, including data that identifies a proposed action, wherein the proposed action corresponds to a first policy object of the plurality of policy objects; selecting, from the plurality of policy objects, the first policy object corresponding to the proposed action based on the data that identifies the proposed action; invoking, by the computer, the first policy object to obtain a decision made by the first policy object on the proposed action; and returning the decision in response to the action information that was received.