Scenario:
On September 11, 2001, terrorists exploited the transportation sector of the National Critical Infrastructure (CI) and illustrated how an attack on CI segments can have a ripple effect on the national economy. What are five national critical infrastructure segments where any future attacks will result in catastrophic events. Name the CI segment and explain what the catastrophic events might be because of an attack.
Provide the reasoning for your conclusions.
Cite the resources used using APA format.