This document describes a method for classification of requirements based on severity and susceptibility. This classification method needs a system in line with the framework described in ISO 24096-1 to form a complete system.
— indicates the needed elements for a consistent evaluation of the severity over time, and supports a company business model and its brand image;
— gives background to why more than severity is useful as a base for classification;
— adds susceptibility as a viable parameter along with severity;
— describes the methodology for classification requirements using severity and susceptibility.