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首页> 外文期刊>The international journal on hydropower & dams >Detecting cyber intrusions in substation networks
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Detecting cyber intrusions in substation networks

机译:检测变电站网络中的网络入侵

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摘要

Multiple layers of protection are necessary to ensure the cyber security of substations. Cryptography allows for the authentication of devices, but not all attacks can be prevented with these measures. Firewalls and 'air gaps'can be circumvented through existing remote access tunnels, or through maintenance computers directly attached to intelligent electronic devices (lEDs) or the station bus. Therefore, measures are needed to detect threats in the substation to enable a quick response and to minimize consequences. This paper describes the security requirements of international standard IEC 61850 for substations, and the different approaches for detecting threats in these networks. An approach specifically developed for the IEC 61850 station and process bus is presented here.
机译:需要多层保护以确保变电站的网络安全性。加密允许对设备的身份验证,但不能使用这些措施来防止所有攻击。防火墙和“空气缺口通过现有的远程访问隧道来绕革,或通过直接连接到智能电子设备(LED)或车站总线的维护计算机来规避。因此,需要措施来检测变电站的威胁,以便能够快速响应并尽量减少后果。本文介绍了国际标准IEC 61850用于变电站的安全要求,以及检测这些网络中威胁的不同方法。此处提出了一种专门为IEC 61850站和工艺总线开发的方法。

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