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San Antonio College *

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2301

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Finance

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Feb 20, 2024

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docx

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3.2.2 Risk Calculation Facts This lesson shows you how to calculate the financial risk associated with a business asset. The formulas, analysis methods, probability, and magnitude are defined. This lesson covers the risk calculation components. Risk Calculation Components Calculating risk is both art and science. You determine values, threats, and risks using methods that may be inexact. Decision makers, subject matter experts, and other team members may have to make decisions about intangible assets, as well as make educated guesses to determine how likely and how often a threat may occur. The following table defines terms and calculation factors to determine the financial impact of threat events. Component Description Qualitative assessment Process to value assets using a subjective valuation. The assets are intangibles such as processes and intellectual property. The values are typically decided on by subject matter experts and decision makers. Quantitative assessment The defined value of a tangible object such as a machine or tool. Probability If, when, and how often an event will occur. When using quantitative analysis, you determine probability by the annualized rate of occurrence. When using qualitative analysis, probability is determined by a team of subject matter experts. Magnitude The financial impact of a threat event. When using quantitative analysis, you define magnitude using both single loss expectancy (SLE) and annual loss expectancy (ALE). When using qualitative analysis, the impact is measured by a team of subject matter experts.
Asset value (AV) Physical or intangible asset monetary value. Exposure factor (EF) Potential loss of an asset expressed as a percentage. Also includes potential loss of functionality. Single loss expectancy Financial loss due to the potential loss of an asset is calculated as: SLE = AV x EF Annualized rate of occurrence (ARO) Estimate of how often a threat might occur within a year. Annualized loss expectancy (ALE) Estimated annualized financial loss based on how often a threat will occur. It is important to realize this is an estimate (guess) by subject matter experts. It is calculated as: ALE = SLE x ARO Copyright © 2024 TestOut Corp. Copyright © 2024 The Computing Technology Industry Association, Inc. All rights reserved.
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