1. A method, comprising: inserting a security layer in a privileged domain of a computer configured to perform virtualization, wherein: the security layer is in a kernel of a privileged domain of a computer configured to operate in a virtual machine environment; and the privileged domain of the computer manages a virtual machine monitor (VMM) that operates at a higher priority than one or more operating systems; storing an indication of authorized objects, the authorized objects in a user space of the privileged domain; intercepting, by the security layer, a request for an execution of an object in the computer from the user space of the privileged domain; verifying the request for execution of the object by evaluating the indication of authorized objects; and allowing or denying the execution of the object based upon the verification of the request.