The concept of vulnerability in security assessment of chemical plants
ABSTRACT:
Security assessment with vulnerability is based on American
Petroleum Institute (API) Standard 780 Security Risk Assessment (SRA)
Methodology which gives fixed steps combining with vulnerability, As Low As
Reasonably Practicable, Swiss Cheese Model and cost-effectiveness theory.
Vulnerability of different periods were analyzed emphatically, such as
vulnerability before accidents, vulnerability in accidents and vulnerability
after accidents. As Low As Reasonably Practicable can allow managers to know
clearly that which assets should be protected deeply. Swiss Cheese Model helps analyzers
understand detailed reasons of attacks and avoid adversaries’ attacks. Through
cost-effectiveness theory, benefits of the security investments can be
maximized. Overall, this article can make managers know more about the risk
level in multiple dimensions and enlighten analyzers to assess the risk level
of chemical plants.
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