Patent 8677481 was granted and assigned to Trend Micro on March, 2014 by the United States Patent and Trademark Office.
Methods and systems for checking for malicious modifications in web pages. A web page may have corresponding portal page and web page verifier. To receive the web page in a client computer, the portal page is provided to the client computer. The portal page allows for checking of the web page for malicious modifications. For example, the portal page may include or download the web page verifier. The web page verifier may check the web page for signs indicative of malicious modifications. The web page itself may be verified by program code included in the web page.