Deterring Attacks Against the Power Grid: Two Approaches for the U.S. Department of Defense

The U.S. Department of Defense (DoD) increasingly relies on electric power to accomplish critical missions. This report explores two approaches for deterring attacks against the U.S. power grid in a world of increasing cyber aggression: deterrence by denial and deterrence by cost imposition. It is a first step in developing frameworks and context to support DoD decisionmaking in this area.