Development of a method for quantifying relative importance of NPP cyber attack probability variables based on factor analysis and AHP = 요인 분석과 AHP를 이용한 원자력 발전소 사이버 공격 가능성 변수의 상대적 중요도 정량적 측정 방법 개발

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The cyber security of nuclear power plants (NPPs) recently has become a major issue, and the cyber security regulatory body in Korea requires a utility to comply with cyber security controls and to perform cyber security risk management based on the regulatory guide RS-015. However, it is practically difficult to fully implement the controls with limited resources. In this situation, research on finding which controls are relatively more important than other controls is necessary in order to reduce risk effectively by implementing higher priority controls first. The aim of this study is to develop a method for quantifying the relative importance of NPP cyber attack probability variables. The cyber attack probability variables were investigated through a literature survey, and they were classified into two types: (1) attacker-related variables and (2) target-related variables. The factor analysis (FA) method was used to confirm the validity of the rearrangement and classification results, and the analytical hierarchy process (AHP) method was applied to evaluate the relative importance among the variables. Moreover, the cyber security controls that have higher priority to be implemented were identified by applying the relative importance to the regulatory guide RS-015. Considering the relatively more important controls, it is expected that the utility can follow cyber security controls efficiently.
Advisors
Seong, Poong Hyunresearcher성풍현researcher
Description
한국과학기술원 :원자력및양자공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 원자력및양자공학과, 2018.2,[iii, 62 p. :]

Keywords

NPP Cyber Security Controls▼aRelative Importance▼aFactor Analysis (FA)▼aAnalytical Hierarchy Process (AHP)▼aThreat▼aVulnerability; 완전 사이버 보안 조치▼a상대적 중요도▼a요인 분석▼a분석적 계층화 과정▼a위협▼a취약점

URI
http://hdl.handle.net/10203/266550
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=733931&flag=dissertation
Appears in Collection
NE-Theses_Master(석사논문)
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