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A Model for Estimating the Benefits from Network Security Systems

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  • Soumyo D. Moitra

    (Software Engineering Institute, Carnegie Mellon University, Pittsburgh, PA, USA)

Abstract

Estimating the benefits of network security systems is important for security decisions since considerable resources are spent on them and organizations need to know the returns on their investments. The objective of the model presented here is to improve management decisions. Better decisions imply greater security for the budget. This model has a number of novel features such as a probabilistic sub-model for the detection and response process, a new attack/damage matrix based on damage-type and cyber-attacks by category, and extensive sensitivity analyses. The results suggest a number of insights into the factors affecting the benefits from sensors such as the effects of non-linear relationships between the rate of attacks and the damages caused. The key role of the value of sensitive information is identified. The model helps identify the conditions under which a new security system provides enough benefits to justify its purchase.

Suggested Citation

  • Soumyo D. Moitra, 2014. "A Model for Estimating the Benefits from Network Security Systems," International Journal of Business Analytics (IJBAN), IGI Global, vol. 1(3), pages 1-20, July.
    • Handle: RePEc:igg:jban00:v:1:y:2014:i:3:p:1-20
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    File URL: http://services.igi-global.com/resolvedoi/resolve.aspx?doi=10.4018/ijban.2014070101
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    References listed on IDEAS

    as
    1. Kjell Hausken, 2006. "Returns to information security investment: The effect of alternative information security breach functions on optimal investment and sensitivity to vulnerability," Information Systems Frontiers, Springer, vol. 8(5), pages 338-349, December.
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