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Chapter 1. Security threats and risk > Introduction to Security Risk Models and...

1.3. Introduction to Security Risk Models and Security Risk Mitigation

Risk models represent an important tool in the quest to accurately assess the risk associated with threats and in applying effective risk mitigation. The word “model” can be confusing and possibly even intimidating, but it really represents a structured mechanism used to consistently delineate the risk associated with each unique threat. Well-constructed models actually facilitate strategic flexibility, a fact that belies its name. The creation of a risk model is a key step in the risk assessment process where the ultimate goal is to implement an effective and proportionate mitigation strategy.

The invocation of a model in any context does imply structure, which is definitely a characteristic we seek in analyzing security risk. Briefly stated, an immediate goal of the risk manager is to identify the set of unique threats and classify the risk factors associated with each of these in the most general terms. Categorizing the unique threats and their respective “food groups” of risk factors will facilitate an efficient application of mitigation methods without having to list every conceivable scenario. Once established, this methodology leads to consistency and coherence in the development of a risk mitigation strategy. These concepts including what is meant by the phrase “unique threats” will be explored in more detail in Chapter 3.


  

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