On March 25th, Kingsoft Web Shield version 3.5, a security assistant software that is deeply loved by a large number of internet users, was officially released. As the new generation of security assistant software launched by a professional security vendor, Kingsoft Web Shield 3.5 broke through the traditional protection principles of security assistant software and was the first to incorporate professional-grade antivirus technology into such software. Its pioneering features include 0day vulnerability immunity, antivirus-level IE repair, and an IE homepage "security lock".