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进展的新世纪,网络信息已经成为社会进展必不可少的重要组成部分。目前它涉及到政府、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及常见安全威胁，并针对问题提出了网络安全的防范对策。【关键词】计算机网络安全；现状；防护对策ABSTRACTIn 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目 录一、引言................................................................................................................3二、计算机网络安全的概念与内容 .................................................................... 3 （一）网络安全的概念 ................................................................................ 3 ( 二）网络安全的内容 ................................................................................... 3 三、计算机网络安全的现状...
