Risk analysis
In the previous chapter, I introduced risk as a factor of building trust models that ultimately define the security architecture in an enterprise. First, we must understand what risk is, how it is calculated, and then implement a solution to mitigate or reduce the calculated risk. At this point in the process of developing agile security architecture, we have already defined our data. The following sections assume we know what the data is, just not the true impact to the enterprise if a threat is realized.
What is risk analysis?
Simply stated, risk analysis is the process of assessing the components of risk; threats, impact, and probability as it relates to an asset, in our case enterprise data. To ascertain risk, the probability of impact to enterprise data must first be calculated. A simple risk analysis output may be the decision to spend capital to protect an asset based on value of the asset and the scope of impact if the risk is not mitigated. This is the most general form...