1. A method, comprising: intercepting, by the security layer, a request for an execution of an object in a computer wherein the request for the execution is from a user space of a privileged domain; verifying an authorization of the object by linking a particular module into a kernel space associated with the privileged domain, wherein the particular module is configured to compute a checksum for the object, access an inventory of a plurality of stored checksums in a memory element, and compare the checksum to the plurality of stored checksums; and denying the execution of the object if it is not authorized.