| 摘要 |
PROBLEM TO BE SOLVED: To provide a network service providing system and the like that can accurately detect unauthorised access. ! SOLUTION: A network service providing system 1 comprises: a user authentication unit that processes a user authentication request transmitted via a network 400 by a client terminal 200, a request terminal of a network service; an access notification unit that gives access notice to a registered communication terminal 300 designated by a user who is an object of user authentication; a service processing unit that starts processing of a network service to a user whose user authentication is a success without waiting for contact from the registered communication terminal 300 in response to the access notice after success of user authentication; and an access control unit that stops, interrupts or cancels the network service to the user, the object of the access notice, when there is a contact from the registered communication terminal 300 that is given the access notice. ! COPYRI |
