The 2008 Beijing Olympic Games is drawing near. For the first time, the Internet will also make its debut on the Olympic stage. Given the complex international situation, how to ensure the security of the Internet has become a consensus among us. A few days ago, we reported on the news that foreign hackers intended to use the Beijing Olympics as an opportunity to retaliate against China. In addition to these Olympic hackers, many hostile forces are also lying in wait. Now, I believe that through our previous introductions, everyone has gained some understanding of "zombie computers." We must refuse to become "zombie computers" and contribute our humble efforts for the Olympics. Below, the editor will introduce some tips related to system security for everyone.