Titlebook: Risk and the Theory of Security Risk Assessment; Carl S. Young Book 2019 Springer Nature Switzerland AG 2019 Security risk assessment.Secu

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The (Bare) Essentials of Probability and Statisticsess the likelihood component of risk. Statistical methods yield quantifiable estimates of the magnitude of risk for many threat scenarios. Because of their conceptual and practical importance, probability and statistics are critical to linking theory with practice.

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Risk Factor Measurementsmine the magnitude of risk in any threat scenario. An actual measurement is significant due to the contribution of any risk factor to the overall magnitude of risk coupled with the insight gained via a quantitative analysis.

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Elementary Stochastic Methods and Security Riskd in Chap. . and noted elsewhere, direct assessments of the likelihood component of risk leverage probability distributions of threat incidents to specify the probability that a future incident, should it occur, will be of a certain type or possess a specific characteristic. In contrast, indirect as

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Threat Scenario Complexitye learned in Chap. . that the presence of multiple risk factors introduces uncertainty in security risk management. The magnitude of uncertainty can be quantified if the individual risk factors are variables with finite variance. Intuitively, this source of uncertainty seems eminently reasonable; id

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Definitions and Basic ConceptsRemarkably, humans make many decisions with relatively little deliberation. Issues are routinely resolved with minimal effort, and include such diverse events as crossing the street, ordering from a menu, choosing a pair of socks, buying a house and selecting a spouse.

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Risk, In-DepthThe relationship between a threat and an affected entity is completely determined by three components that are collectively known as risk. Features of the threat scenario, i.e., the risk factors, affect the magnitude of each component.

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Systemic Security RiskThe principal steps in a security risk assessment are as follows: