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Inside Network Security Assessment: Guarding Your IT Infrastructure by David Kim, Michael Gregg

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Quantitative and Qualitative Risk-Assessment Approaches

There are two commonly used risk-assessment approaches that essentially combine elements of risk management and risk analysis with financial impact and financial return on investment calculations. Determining which approach is best depends on the landscape of your IT infrastructure and assets and how your organization makes business decisions. Many organizations lack the adequate asset management, asset valuation, and intrinsic dollar valuation for their IT infrastructure and assets. Without accurate financials and access to financial data, conducting a quantitative risk assessment is difficult, if not impossible. In this case, organizations typically choose to do a qualitative risk assessment ...

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