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众所周知,资源共享和信息交换是利用计算机网络(包括 Internet/Intranet技术)的重要目的。而这其中,人们关心的不单单是网络自身的性能和效率,确保网络上存储和交换数据的安全可靠,也是网络设计者及使用者普遍关心的问题。在很大程度上,计算机信息安全问题是否解决得好,决定了多种网络应用技术的成败。近年来,从全球范围来看,企业因安全问题引起的损失成倍增长,甚至有人预言,网络安全问题将成为未来企业发展的瓶颈。
As we all know, resource sharing and information exchange are important goals of using computer networks (including Internet / Intranet technology). Among these, people are concerned not only with the performance and efficiency of the network itself, but also with the safety and reliability of storing and exchanging data on the network. It is also a common concern of network designers and users. To a large extent, computer information security problems are well resolved, determines the success or failure of a variety of network applications. In recent years, globally, business losses due to security problems have doubled. Some even predict that cybersecurity issues will become the bottleneck for future business development.