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计算机网络安全的具体含义会随着使用者的变化而变化,使用者不同,对网络安全的认识和要求也就不同。例如从普通使用者的角度来说,可能仅仅希望个人隐私或机密信息在网络上传输时受到保护,避免被窃听、篡改和伪造;而网络提供商除了关心这些网络信息安全外,还要考虑如何应付突发的自然灾害、军事打击等对网络硬件的破坏,以及在网络出现异常时如何恢复网络通信,保持网络通信的连续性。
The specific meaning of computer network security will change with the changes of users, users are different, the understanding of network security and requirements are different. For example, from the point of view of ordinary users, it may only be desirable for personal privacy or confidential information to be protected when it is transmitted over the network from being eavesdropped, tampered with and forged; and in addition to being concerned about network information security, network providers also consider how To cope with sudden natural disasters, military strikes and other damage to the network hardware, as well as how to restore network communications in the event of network anomalies, to maintain the continuity of network communications.