Prioritise and evaluate risks, and make treatment recommendations.
When all single and common cause failures have been analysed, a list of the most serious risks can be made. The Raster tool assists the initial effort for this stage. Quick wins can be determined automatically, and simple “what if” analysis is available.
During this stage you make a judgement of which risks you consider to be too large. You write down arguments for your choice and propose risk treatments. You take into consideration both your assessment of vulnerabilities that affect the availability of telecom services and your expectation of reactions of other stakeholders to risk treatments. The result is a report to the sponsor, outlining, explaining and justifying your recommendations.
The Risk Evaluation stage consists of the following steps: