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随着网络系统逐渐复杂和庞大,特别是网络攻击和破坏行为的日益普遍和多样,网络安全性面临严峻的挑战.网络安全性研究已经成为国际上重大的科学问题之一,也是影响社会经济发展和国家发展战略的重要因素。文中介绍了计算机网络面临的威胁,以及计算机网络安全的策略和措施,包括物理安全、阻止入侵、数据加密和网络安全管理等方面。
With the gradual complexity and huge network system, especially the increasingly widespread and diversified cyberespionage and sabotage, the cybersecurity faces the severe challenge.The cybersecurity research has become one of the most important international scientific problems and also affects the socio-economic development And the important factor of national development strategy. This paper introduces the threats to computer networks and the strategies and measures of computer network security, including physical security, intrusion prevention, data encryption and network security management.