| 摘要 |
PROBLEM TO BE SOLVED: To prevent unauthorized access to a computer system. SOLUTION: An authentication server 1 receives an input of a first user's login request to an intracompany network 9 and information with which a second user can verify the validity of the login request, and transmits electronic information including the information for login request validity verification to a cellular telephone 5 of the second user related in advance to the first user. COPYRIGHT: (C)2004,JPO&NCIPI |
