Abstract
The United States was called to rethink its security strategies since the September 11, 2001 terrorist attack. Immediately after this catastrophe, the various stakeholders failed to come up with an explanation of why the attack succeeded. Therefore, few months later the Department of Homeland Security (DHS) was established in order to ensure a safer country that was protected from terrorism and other disaster. Since then the DHS made stride in meeting its mandate. One of those mandates is the protection of critical infrastructure since it is vulnerable as a target to attacks or disaster and such would cause immeasurable ...