Asia pacific journal of information systems

  • 제21권4호
  • /
  • Pages.27-43
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  • 2011
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  • 2288-5404(pISSN)
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  • 2288-6818(eISSN)
한국경영정보학회 (The Korea Society of Management Information Systems)
권호 표지

Vulnerability and Information Security Investment Under Interdependent Risks: A Theoretical Approach

  • 투고 : 2011.08.05
  • 심사 : 2011.09.22
  • 발행 : 2011.12.31
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초록

This article explores economic models that show the optimal level of information security investment in the presence of interdependent security risks, Using particular functional forms, the analysis shows that the relationship between the levels of security vulnerability and the levels of optimal security investments is affected by externalities caused by agents' correlated security risks. This article further illustrates that, compared to security investments in the situation of independent security risks, in order to maximize the expected benefits from security investments, an agent should invest a larger fraction of the expected loss from a security breach in the case of negative externalities, while an agent should spend a smaller fraction of the expected loss in the case of negative externalities.

키워드

참고문헌

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