Electronic apparatus and controlling method thereof

Abstract

An electronic apparatus for performing a user authentication is provided. The electronic apparatus includes an input and at least one processor configured to perform a user authentication based on user authentication information input through the input and user authentication information pre-stored in the electronic apparatus while the electronic apparatus is in a lock state, switch the electronic apparatus to be in a lock release state when the user authentication is successful, and enhance security for use of the electronic apparatus in the lock release state when the user authentication is successful based on the user authentication information input after a user authentication failure occurs from the input of the user authentication information input a predetermined number of times or more.

Dependencies are inferred from the claim text.