657 

   657 

   658 {\bf What assets are you trying to protect?}\bigskip

   658 {\bf What assets are you trying to protect?}\bigskip

   659 

   659 

   660 This question might seem basic, but a surprising number of people never ask it. The question involves understanding the scope of the problem. For example, securing an airplane, an airport, commercial aviation, the transportation system, and a nation against terrorism are all different security problems, and require different solutions.

   660 This question might seem basic, but a surprising number of people never ask it. The question involves understanding the scope of the problem. For example, securing an airplane, an airport, commercial aviation, the transportation system, and a nation against terrorism are all different security problems, and require different solutions.

   661 

   661 

   663 \begin{tikzpicture}

   663 \begin{tikzpicture}

   664 \draw (0,0) node[inner sep=2mm,fill=cream, ultra thick, draw=red, rounded corners=2mm] 

   664 \draw (0,0) node[inner sep=2mm,fill=cream, ultra thick, draw=red, rounded corners=2mm] 

   665 {\begin{minipage}{10cm}

   665 {\begin{minipage}{10cm}

   666 \small You like to prevent: ``It would be terrible if this sort of attack ever happens; we need to do everything in our power to prevent it.''

   666 \small You like to prevent: ``It would be terrible if this sort of attack ever happens; we need to do everything in our power to prevent it.''

   667 \end{minipage}};

   667 \end{minipage}};