METHOD AND DEVICE FOR AUTHENTICATING SYSTEM USER

摘要

PROBLEM TO BE SOLVED: To reduce the work load of a manager, involved in user access right invalidation due to an expired password in a system for authenticating a user by using a password. SOLUTION: When the user access after the time limit when his/her password does not have to be updated, the system is allowed to be used with the conventional password as many as the specified number of times and during the period the user himself/herself is urged to update his/her password.