Article Details

Abstract

The selection of security equipment for Industrial Control Systems (ICS) is a typical Multi-Criteria Decision-Making (MCDM) problem. Traditional methods do not fully consider the impact of uncertainty information caused by subjective human factors, and these methods face challenges such as the complexity of selection criteria and the lack of intuitiveness in results. To address these problems, this paper proposes an ICS security equipment selection method based on the D number preference relation-improved Analytic Hierarchy Process (D-AHP) and the VlseKriterijumska Optimizacija I Kompromisno Resenje (VIKOR) method. Firstly, an evaluation criteria system is constructed based on relevant standards. Secondly, to account for information uncertainty caused by the subjective experience of selection experts, the D-AHP hierarchical model is established to calculate criteria weights and identify key technical points in security equipment selection. Finally, candidate equipment is ranked using the VIKOR method to select the optimal solution. The effectiveness and practicality of the proposed method are demonstrated through case study analysis.

Keywords

industrial control system; information security; multi-criteria decision making; D number theory; fuzzy preference relation; Analytic Hierarchy Process; VIKOR

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About the authors

Xu Shuo (1993-), male, Han nationality, from Jining, Shandong, is an engineer and a master's student. His research direction is industrial control system security; Cao Jinbo (1993-), male, Han ethnicity, from Langfang, Hebei Province, is a senior engineer and a master's student with a research focus on information security; Yi Weilin (1991-), male, Han ethnicity, from Nanchong, Sichuan, senior engineer, master's student, research direction: automation and industrial control system security; Ma Qiang (1982-), male, Han ethnicity, from Weifang, Shandong, is a senior engineer and a master's student with a research focus on industrial information security; Xue Changqing (1992-), male, Han nationality, from Luzhou, Sichuan, engineer, master's student, research direction: network security; Lai Xin'an (1997-), male, Han nationality, from Ganzhou, Jiangxi, engineer, master's student, research direction: industrial control protocol analysis.