A central feature of this integrated approach is how to manage all the different inputs and alerts which may occur, often simultaneously, in the event of an incident. For an airport this is particularly key given that these inputs will come from security measures employed over a large area - what the security industry would term as wide area surveillance. For example, right at the outset of an incident simple questions must be answered, such as "who is in charge?" - police?, security staff?, fire officers?, as well as which measures should be adopted in the case of an incident? If an integrated approach is adopted, such as "Command and Control" systems from Siemens, this provides a centralized overview and control for the protection not only of an airport's passengers and employees but also of its assets.
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