| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an authentication system for enabling a user to flexibly and easily manage an ID.SOLUTION: An authentication system 10 includes: a terminal 20; a service providing device 100 for providing a service to the terminal 20; and a management server 200 having a database part in which authentication information for receiving the provision of the service is recorded. The authentication information acquired from an SNS is recorded in the database part, and the service providing device 100 authenticates the provision of the service to the terminal 20 on the basis of the authentication information.</p> |
