SDN-Based Dynamic Cybersecurity Framework of IEC-61850 Communications in Smart Grid

• URL: http://arxiv.org/abs/2311.12205v2
• Date: Thu, 7 Mar 2024 17:17:43 GMT
• Title: SDN-Based Dynamic Cybersecurity Framework of IEC-61850 Communications in Smart Grid
• Authors: Mansi Girdhar, Junho Hong, Wencong Su, Akila Herath, Chen-Ching Liu
• Abstract summary: Cyber breaches into power grid substations present a risk. Nowadays, software-defined network (SDN) is being widely used in the substation automation system. We propose a hybrid intrusion detection system (IDS)-integrated SDN architecture for detecting and preventing the injection of malicious IEC 61850-based generic object-oriented substation event (GOOSE) messages.
• Score: 0.5399800035598186
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: In recent years, critical infrastructure and power grids have experienced a series of cyber-attacks, leading to temporary, widespread blackouts of considerable magnitude. Since most substations are unmanned and have limited physical security protection, cyber breaches into power grid substations present a risk. Nowadays, software-defined network (SDN), a popular virtual network technology based on the OpenFlow protocol is being widely used in the substation automation system. However, the susceptibility of SDN architecture to cyber-attacks has exhibited a notable increase in recent years, as indicated by research findings. This suggests a growing concern regarding the potential for cybersecurity breaches within the SDN framework. In this paper, we propose a hybrid intrusion detection system (IDS)-integrated SDN architecture for detecting and preventing the injection of malicious IEC 61850-based generic object-oriented substation event (GOOSE) messages in a digital substation. Additionally, this program locates the fault's location and, as a form of mitigation, disables a certain port. Furthermore, implementation examples are demonstrated and verified using a hardware-in-the-loop (HIL) testbed that mimics the functioning of a digital substation.

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