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计算机网络安全是指利用网络管理控制和技术措施,保证在一个网络环境里,信息数据的机密性、完整性和可使用性受到保护。网络的安全性问题包括网络系统和信息安全,而保护网络的信息安全是最终目的。
Computer network security refers to the use of network management control and technical measures to ensure the confidentiality, integrity and usability of information and data are protected in a network environment. Network security issues include network systems and information security, and the protection of network information security is the ultimate goal.