An electronic device according to an embodiment of the present disclosure may include a first biometric sensor configured to sense first biometric information; a second biometric sensor configured to sense second biometric information; a security module configured to set a multidimensional variable determination criterion including context information at the time of sensing at least one of the first biometric information and the second biometric information, and perform first user authentication by applying the multidimensional variable determination criterion to a matching score for the first biometric information or the second biometric information, and determine whether or not to perform second user authentication using the remaining biometric information based on a result of the first user authentication; and a controller configured to control an operation of the electronic device based on at least one of the first and second user authentication results carried out by the security module.