A mobile device configured to authenticate a user, an authentication system, and method for use of the mobile device and authentication system are described that include a biometric sensor, a touchscreen sensor, and/or a fingerprint sensor, where the biometric sensor, the touchscreen sensor, and/or the fingerprint sensor are coupled to a controller configured to authenticate a computing device user. In implementations, the mobile device that employs example techniques in accordance with the present disclosure includes an authentication device, including a biometric sensor configured to receive biometric information from the user; and a fingerprint sensor configured to receive fingerprint information from the user; and a controller configured to authenticate the user, where the authentication device, including the biometric sensor and the fingerprint sensor, is coupled to the controller.