High Risk Scenarios - To attain the root (overall) goal in an attack tree, an adversary must perform one or more low level (leaf) operations. Each minimal set of leaf activities that will result in the root goal being achieved is known as an attack scenario or cut set. The risk associated with an attack scenario depends on its likelihood and impact on the victim. This figure shows the highest risk scenarios contained in the attack tree model of the hypothetical Acme corporation's web store.
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