Provided is a personal verification device capable of easily performing personal verification of a user. In the device, under the condition that a user grasps a case (110) of a game controller (10), a vibration control unit (152) causes a vibration motor (120) arranged inside of the case (110) to vibrate in different patterns. A triaxial acceleration sensor (140) detects vibration generated by the vibration motor (120) which vibrates in the different patterns, and a storage unit (153) stores a plurality of pieces of measurement data obtained by the detection for each of the users. A determination unit (154) performs the personal verification by comparing and collating the data in the storage unit (153) with the measurement data obtained by vibrating the vibration motor (120) under the condition that the user grasps the case (110).