Abstract: Embodiments of the present invention relate generally to application security. In an embodiment, a method for altered token sandboxing includes creating a process based on a naked token and suspending the process. The method further includes obtaining an impersonation token and resuming the process with the impersonation token. The method further includes acquiring resources needed for the process with the impersonation token. The method also includes replacing the impersonation token with the naked token. In a further embodiment, the method further includes executing the suspended process with the naked token and the acquired resources. In another embodiment, a system for user-mode, altered token sandboxing includes a security module, an acquisition module and a replacement module. In a further embodiment, the system may include an execution module. In another embodiment, the system may include a request module.