信不信由你，当今世界平均每２０秒钟就有一起黑客事件发生，网络圣地早已变成硝烟弥漫的高科技战场。黑客的杀伤力骇人听闻。在美国，一年因黑客事件造成的损失超过１００亿美元。美国政府痛下决心要跟各路黑客决一胜负。 计算机专家推测，因特网上目前至少有３万个黑客网站。 Believe it or not, an average hacker event occurs every 20 seconds in the world today, and the Web site has long become a smoke-filled high-tech battlefield. Hackers kill the appalling. In the United States, more than 10 billion U.S. dollars a year have been lost due to hacking incidents. The U.S. government made a determined decision to fight the hackers. Computer experts speculate that there are currently at least 30,000 hacker sites on the Internet.