电力5G混合组网的安全风险分析

doi:10.11959/j.issn.1000-0801.2022017

Abstract

Abstract:

5G communication technology provides strong support for the power internet of things, and it also introduces new security challenges in the application process of the power industry.Starting from the analysis of the needs of the power 5G business, five 5G networking deployment and construction plans were proposed, and a comparative analysis of them was conducted in security and cost.And then, a hybrid networking architecture of 5G and power communication networks was proposed, and the 5G network slicing architecture was re-segmented according to business scenarios.Finally, from the four parts of terminal access, edge computing, network channel and core network, the security risks introduced by 5G technology were analyzed in detail.

Key words: 5G, network slice, hybrid networking, security risk, cyber security

CLC Number:

TN915

Xiaojian ZHANG, Jiaxuan FEI, Haitao JIANG, Qigui YAO. Security risk analysis of power 5G hybrid networking[J]. Telecommunications Science, 2022, 38(1): 132-139.

Figures/Tables 5

References 14

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组网模式	安全性	是否低时延	独立性	部署成本
方案1	与公网物理隔离，企业内部可自行管理	是	好	高
方案2	5G局域网完全私有	是	好	高
方案3	所有数据在基站基带处理板共同处理，安全性稍差	是	较好	较高
方案4	所有数据在基站基带处理板共同处理并混合传输，安全性较差	是	较差	中
方案5	流量经过运营商的边缘云，安全性差	否	差	低

风险整体评估计算范围	风险整体评估分级结果
[7,10]	高
[5,7)	较高
[3,5)	中
[1,3)	低

		风险概率评价P_n			风险影响评价E_n
混合组网安全风险	具体风险内容	物理介入难度P₁	实施要求难度P₂	时间消耗P₃	数据影响E₁	设备影响E₂	风险整体评估	风险分级
		30%	50%	20%	75%	25%
终端接入安全风险	eMBB场景的敏感信息泄露风险	6	3	3	6	1	4.30	中
	mMTC场景的高并发接入风险	6	6	3	3	3	4.02	中
	uRLLC场景的低防护能力风险	3	6	3	10	3	6.09	较高
边缘计算安全风险	UPF流量卸载风险	1	3	1	3	3	2.45	低
	MEC数据卸载风险	1	1	1	6	1	2.29	低
网络通道安全风险	网络切片被攻击风险	3	6	6	3	3	3.91	中
	网络切片接入风险	3	10	10	6	10	7.44	高
	切片间的通信风险	3	6	3	6	6	5.20	较高
核心网安全风险	API拒绝服务攻击风险	3	6	6	6	3	5.17	较高
	跨行业数据泄露风险	6	6	3	6	3	5.32	较高
	互联网接口协议风险	3	6	3	6	3	4.86	中

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Security risk analysis of power 5G hybrid networking

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