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互联网的开放性对企业网络安全的威胁日益严重,如黑客的入侵、计算机被种植木马、病毒、蠕虫等。国家计算机网络应急技术处理协调中心(CNCERT)的最新消息表明,2007
The openness of the Internet threatens the security of enterprise networks more and more. For example, hackers’ invaders and computers are planted with Trojans, viruses and worms. The latest news from the National Computer Network Emergency Response Technology Processing Coordination Center (CNCERT) shows that 2007