Patent ID: 9439070
Filing Date: 2016-09-06
CPC Classification: G06F,H04W

Claim Text:
1. A user authentication system managing authentication for a predetermined account and a dummy account corresponding to the predetermined account, the user authentication system comprising: a processor; and a memory, comprising: a login receiving module, which when executed by the processor receives an account login request from a user terminal device along with account identification information and authentication information; an authentication processing module, which when executed by the processor determines whether or not the combination of the account identification information and the authentication information received by the login receiving module matches a pre-stored combination of predetermined account identification information and authentication information, and, in the event of a match, authenticates said user terminal device; a fraud determination module, which when executed by the processor detects fraud in the login request from the user terminal device based on the access history of the user terminal device; and a response control module, which when executed by the processor