1. A method of filtering access to a resource in a device having one or more inter-process control paths between two or more objects that are controlled by one or more object firewalls in the device, the method comprising: through the use of a computer processor, controlling access to the resource from an application based upon a policy, comprising: providing the policy; and filtering access to an object providing access to the resource through the one or more inter-process control paths based on a policy governing inter-process communications to the object providing access to the resource.