ABSTRACT
Consequences of attacks or acts of interference involving industrial siteswhere relevant quantities of dangerous substances are processed or stored may result in very severe consequences. Several Security Vulnerability Assessment (SVA) methods were developed to analyze the problem (SFK, 2002; API-NPRA, 2003; Uth, 2005; Moore, 2006). However, all the SVA procedures deal mainly with ‘‘security’’ and target vulnerability, but not much with ‘‘safety’’ and do not take into account the evaluation of the possible consequences of acts of interference. This is a crucial point, because the aim of an external attack is usually to obtain the most severe consequences as possible: in order to rank the attractiveness of a plant the vulnerability of the surrounding areas can not be neglected, because higher is the number of people affected, higher is the attractiveness of the target.
