1. In a system having an operating system provided security mechanism that determines access of processes to resources based on information in an access token associated with each of the processes against security information associated with each of the resources, a method of restricting access of content to resources, comprising the steps of, setting up a process for the content, determining restriction information based on criteria available to the system, adding the restriction information to a restricted access token, and using the restricted access token as the access token of the content's process.