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计算机网络安全现状与防护对策
[摘要]21 世纪是计算机互联网技术飞速发展的新世纪，网络信息已经成为
社会发展必不可少的重要组成部分。目前它涉与到政府、经济、文化、军事等诸
多领域，因此计算机网络的安全重要性不言而喻。然而，由于计算机网络形式的
多样性，连接功能的终端销售，网络的开放性，导致网络信息容易受到黑客攻击，
计算机系统是容易受到恶意软件的攻击。本文先简述了计算机网络安全的概念，
然后阐述了计算机网络安全的现状以与常见安全威胁，并针对问题提出了网络安
全的防对策。
[关键词]计算机网络安全；现状；防护对策
ABSTRACT
In the 21st century is the rapid development of computer Internet
technology in the new century, network information has become an
indispensable important part of social development. Now it comes to
the government, economy, culture, military, and many other areas, and
the computer network safety importance is self-evident. However, due
to the diversity of computer network, connection terminal sales,
network openness, lead to network information vulnerable to hacker
attacks, computer systems are vulnerable to malicious software. This
article first briefly describes the concept of computer network
security, and then expounds the present situation of computer network
security and common security threats, and puts forward
countermeasures of network security in view of the problem.
[Key words] The computer network security; The status quo； Protective
countermeasures
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