文档介绍：1 论计算机网络安全张浩计算机学院计算机科学与技术专业 2011 级指导教师:吴亚娟摘要:计算机技术的普及和应用为人们的生活带来了方便,互联网技术的不断发展,使世界成为一个整体,人们通过网络学****购物,交流,可以说,互联网的迅猛发展使人们享受到了前所未有的便利。然而,网络也不是完美无缺的,网络给人们带来惊喜的同时,也带来了威胁。计算机犯罪、黑客、有害程序和***等严重威胁着网络的安全,也给人们的工作和生活带来了诸多烦恼,因此,网络安全问题已经成为许多国家的关注焦点,如何构建安全的网络成为世界各国研究的重要问题,网络的安全和保密技术成为了当今网络技术的一个重要研究课题。关键词:网络安全;有害程序;保密技术;黑客 work Security Zhang hao Grade 2011 , Major : Computer Science and Technology, Computer School Instructor: Wu Yajuan Abstract : Popularization and application puter technology to bring convenience to people's lives, the continuous development of technology, the world asa whole, in which people learn, shop, communicate, we can say, the rapid development of the so that people enjoy unprecedented convenience . However, work isnot perfect, work to surprise people, but also poses a threat. Computer crime, hackers, unwanted programs and the backdoor and other serious threat work security, but also to the people's work and lives ofa lotof trouble, work security has e the focus of many countries, and how to build a work to e the world important issues of national research, security work security technology has e an important one in today'work technology research. 2 Keywords: Network security; Harmful procedures; Security technology; Hackers 我们都知道 21世纪一些重要的标志是数字化、网络化与信息化,这是一个网络的信息时代,想要实现信息化就必要依靠一个完善的网络,那是因为网络能够快速的传递信息,所以网络是信息社会的基础。现今计算机网络面临着很多威胁,而这种威胁会给社会带去巨大的损失,因此网络安全已经被社会各个领域重视。我们为