| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent an unauthorized visitor from logging into a system and abusing the system, by checking entrance records at login to the business system.SOLUTION: In an authentication system 200, an entering/leaving information reception unit 250 receives entering/leaving information including identification information and entering/leaving distinction information showing distinction of entering/leaving to/from an office from an entering/leaving management system 100 which reads the identification information for identifying a user. An entering/leaving information registration unit 260 registers the received entering/leaving information in an entering/leaving information DB 210. An authentication processing unit 270 receives the identification information of the user from a business system 300A, determines whether or not the entering/leaving information including the identification information received from the business system 300A and indicating presence in a room is registered in the entering/leaving information DB 210 on the basis of the received identification information of the user and the entering/leaving information registered in the entering/leaving information DB 210, and notifies the business system 300A that the login is authorized access when it is determined that the information is registered.</p> |
