In some particularly difficult cases, especially network-related problems, this information often plays a key role in tracking down the source.
在某些非常困难的情况下，特别是与网络相关的问题，这些信息常常在跟踪问题来源的任务中扮演重要的角色。
With the rapid development and widespread application of Internet, the problems of network information security become more and more serious.
随着互联网络的迅猛发展和广泛应用，网络信息安全问题变得越来越严峻。
While network becomes part of life, network and information security also be comes one of the most-focused problems.
当网络日益成为人们生活的一部分的同时，网络与信息安全也成为最为关注的问题之一。
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