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【速搜问答】网络安全是什么

问答 admin 3年前 (2020-06-22) 548次浏览 已收录 0个评论

汉英对照:
Chinese-English Translation:

网络安全是指网络系统的硬件、软件及其系统中的数据受到保护,不因偶然的或者恶意的原因而遭受到破坏、更改、泄露,系统连续可靠正常地运行,网络服务不中断。

Network security means that the hardware, software and data in the network system are protected from damage, change and leakage due to accidental or malicious reasons, the system operates continuously and reliably without interruption of network services.

网络安全是指网络系统的硬件、软件及其系统中的数据受到保护,不因偶然的或者恶意的原因而遭受到破坏、更改、泄露,系统连续可靠正常地运行,网络服务不中断。

Network security means that the hardware, software and data in the network system are protected from damage, change and leakage due to accidental or malicious reasons, the system operates continuously and reliably without interruption of network services.

网络安全,通常指计算机网络的安全,实际上也可以指计算机通信网络的安全。计算机通信网络是将若干台具有独立功能的计算机通过通信设备及传输媒体互连起来,在通信软件的支持下,实现计算机间的信息传输与交换的系统。而计算机网络是指以共享资源为目的,利用通信手段把地域上相对分散的若干独立的计算机系统、终端设备和数据设备连接起来,并在协议的控制下进行数据交换的系统。

Network security, usually refers to the security of computer network, in fact, can also refer to the security of computer communication network. Computer communication network is a system that connects several computers with independent functions through communication equipment and transmission media, and realizes information transmission and exchange between computers with the support of communication software. The computer network refers to a system which uses communication means to connect several independent computer systems, terminal equipment and data equipment which are relatively scattered in the region and exchange data under the control of protocol for the purpose of sharing resources.

计算机网络的根本目的在于资源共享,通信网络是实现网络资源共享的途径,因此,计算机网络是安全的,相应的计算机通信网络也必须是安全的,应该能为网络用户实现信息交换与资源共享。下文中,网络安全既指计算机网络安全,又指计算机通信网络安全。

The basic purpose of computer network is resource sharing. Communication network is the way to realize network resource sharing. Therefore, computer network is safe, and corresponding computer communication network must also be safe. It should be able to realize information exchange and resource sharing for network users. In the following, network security refers to both computer network security and computer communication network security.

安全的基本含义:客观上不存在威胁,主观上不存在恐惧。即客体不担心其正常状态受到影响。可以把网络安全定义为:一个网络系统不受任何威胁与侵害,能正常地实现资源共享功能。要使网络能正常地实现资源共享功能,首先要保证网络的硬件、软件能正常运行,然后要保证数据信息交换的安全。从前面两节可以看到,由于资源共享的滥用,导致了网络的安全问题。因此网络安全的技术途径就是要实行有限制的共享。

The basic meaning of security: there is no threat objectively and no fear subjectively. That is, the object does not worry about its normal state. Network security can be defined as: a network system is free from any threat and infringement, and can normally realize the function of resource sharing. In order to realize the function of resource sharing, the hardware and software of the network should run normally, and then the security of data exchange should be ensured. As can be seen from the previous two sections, due to the abuse of resource sharing, network security problems are caused. Therefore, the technical way of network security is to implement limited sharing.

网络安全在不同的应用环境下有不同的解释。针对网络中的一个运行系统而言,网络安全就是指信息处理和传输的安全。它包括硬件系统的安全、可靠运行,操作系统和应用软件的安全,数据库系统的安全,电磁信息泄露的防护等。狭义的网络安全,侧重于网络传输的安全。

Network security has different interpretations in different application environments. For a running system in the network, network security refers to the security of information processing and transmission. It includes the safe and reliable operation of hardware system, the safety of operating system and application software, the safety of database system, the protection of electromagnetic information leakage, etc. The narrow sense of network security focuses on the security of network transmission.


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