随着计算机互联网技术的飞速发展,网络信息已经成为社会发展的重要组成部分。它涉及到政府、经济、文化、军事等诸多领域。由于计算机网络组成形式多样性、终端分布广和网络的开放性、互联性等特征,致使网络信息容易受到来自黑客窃取、计算机系统容易受恶意软件攻击,因此,网络信息资源的安全与保密成为一个重要的话题。详细阐述常见的计算机网络安全威胁,进而提出几种常用的网络安全防范措施。 With the rapid development of computer Internet technology, network information has become an important part of social development. It involves the government, economy, culture, military and many other fields. Due to the diversity of computer network components, the wide distribution of terminals and the openness and interconnectivity of the network, the network information is easily hacked from hackers and the computer system is vulnerable to malicious software attack. Therefore, the security and confidentiality of network information resources become one Important topic Described in detail the common computer network security threats, and then put forward several commonly used network security precautions.