据美国有关部门调查统计,2004年专门针对美国政府网站的非法入侵事件发生了 5．4万件,2005年升至7．9万件。被入侵的政府网站包括国防部、国务院、能源部、国土安全部等重要政府职能部门,其中以国防部最为严重——2004年超过1300次,2005年平均每天要受到计算机黑客7次攻击。面对越来越严峻的网络安全形势,美国军政界对黑客采取了长期的招安策略,聘请他们为政 According to a survey conducted by relevant U.S. departments, 54,000 cases of illegal incursions targeting U.S. government websites were launched in 2004 and 79,000 in 2005. Invaded government websites include major government functions such as the Ministry of Defense, the State Department, the Department of Energy and the Department of Homeland Security. Of these, Defense Department is the most serious - over 1300 in 2004 and on average 7 attacks per day by computer hackers in 2005. In the face of more and more serious network security situation, the U.S. military and political circles have taken a long-term strategy of recruiting and hacking for the hackers, hiring them for government