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在Internet上任何网络系统都不可能有百分之百的安全。每天,Internet上都会有关于安全缺陷的信息发布。由于除了网络系统管理员外,黑客们也能同时掌握这些最新的信息,因而网络系统管理人员需要打一场持久战,才能对付黑客们用最新的招数发动的攻击。
No network system on the Internet can have 100% security. Every day, there will be information on security flaws posted on the Internet. Because hackers have access to the latest information at the same time as network administrators, cyber-system administrators need to fight a protracted war against hackers using the latest tactics.