Prioritization security screening

Step 4 Prioritize the Work. Unless your company needs to consider only one easily demarcated facility, it is important to prioritize your efforts to analyze vulnerability and implement security countermeasures. Prioritization should take into account the attractiveness of the asset or target, the difficulty with which an attack could be carried out, and the potential damage that could result. In the simplest form, attractiveness, ease, and damage could be ranked on a qualitative scale (e.g., 1-3), then the three scores summed. Screening approaches with more detailed scales may also be used if finer detail is needed. 

Step 5—Security Evaluation Each of the chemical movements screened out through the prioritization process shotrld be analyzed by a general security review before closing these items. Section 6.5 discusses basehne security elements. All issues that make it through the prioritization process should be reviewed using a TSVA methodology (Section 6.4). 

Table 6.7 compares the issues that were screened out through the prioritization process, evaluated through benchmarking, and escalated for a more detailed risk analysis in both the safety and security prioritization processes. 

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