program to alert the access to the web page, method, and system

摘要

[Problem] warn access to such legitimate site other than phishing sites. A Access warning program for one embodiment, the domain name of the web site of the web page to be accessed, whether satisfies a predetermined condition, including the requirement that not stored as the domain name of a regular web-site a condition satisfaction judging module judges, in the case of satisfying the predetermined condition, and the HTML data of the web page to be accessed, the page information based on the HTML data of the web pages of the regular stored, and based on this Access in the case where the similarity determination module determines whether or not the web page and the legitimate web page is similar to the web pages of the web page and regular access is determined to be similar, and a warning that executes a predetermined warning processing It includes a processing execution module.BACKGROUND 2