User terminal, unauthorized site information management server, and method and program for blocking unauthorized request

摘要

The transmission of an unauthorized request from a terminal is blocked. It is possible to provide a user terminal which blocks an unauthorized request made by malicious content by detecting the transmission of a request generated in a user terminal, investigating whether the request contains an improper word registered in an improper word database, and inhibiting the transmission of the request when it is determined that the request contains the improper word.

主权项

1. A user terminal which includes an improper word dictionary and is communicably connected to a communications terminal through a network, the user terminal comprising:
a request detecting means configured to detect a request which is generated in the user terminal to be transmitted to the communications terminal; an improper word investigating means configured to determine whether the detected request contains an improper word registered in the improper word dictionary; a memory configured to temporarily store an input history from a user in a temporary area; a user input determining means configured to determine whether the improper word has been actively inputted by the user by checking whether or not the improper word exists in the input history when it is determined by said improper word investigating means that the request contains the improper word; a transmission permission receiving means configured to display on a screen of the user terminal the improper word, a reliability of a website corresponding to the request, a message representing whether the improper word has been actively inputted by the user, and a message instructing the user to determine whether to permit or cancel the request; and a request transmission inhibiting means configured to inhibit the transmission of the request when the transmission permission receiving means receives an input canceling the request from the user.