The following publications provide discussions on target hardening, response, and recovery.

Alden, Edward. 2008. The Closing of the American Border: Terrorism, Immigration, and Security Since 9/11. New York: HarperCollins.

Carr, Jeffrey. 2011. Inside Cyber Warfare: Mapping the Cyber Underworld. 2nd ed. Sebastopol, CA: O’Reilly Media.

Clarke, Richard A. and Robert K. Knake. 2010. Cyber War: The Next Threat to National Security and What to Do About It. New York: HarperCollins.

Davis, Anthony. 2008. Terrorism and the Maritime Transportation System. Livermore, CA: WingSpan Press.

Elias, Bartholomew. 2010. Airport and Aviation Security: U.S. Policy and Strategy in the Age of Global Terrorism. Boca Raton, FL: Auerbach/Taylor & Francis.

Janczewski, Lech J. and Andrew M. Colarik, eds. 2008. Cyber Warfare and Cyber Terrorism. Hershey, PA: Information Science Reference.

McNicholas, Michael. 2007. Maritime Security: An Introduction. Waltham, MA: Butterworth-Heinemann.

Price, Jeffrey and Jeffrey Forrest. 2013. Practical Aviation Security: Predicting and Preventing Future Events. 2nd ed. Waltham, MA: Butterworth-Heinemann.

Winterdyk, John A. and Kelly W. Sundberg, eds. 2009. Border Security in the Al-Qaeda Era. New York: CRC Press.