systems and methods for implementing a location token service to enhance the security of mobile device identity tokens by using the location of the mobile device to augment the tokens . the lts enforces re - authentication of the mobile device to one or more applications if the mobile device moves beyond a threshold distance from the location of the last use of the token within a time period defined in a temporal threshold . the lts increases authentication strength and drastically reduces the potential for spoofing or otherwise permitting unauthorized access to one or more applications on the mobile device .