Cyber warfare is the new hot topic of debate in political and military circles in Washington. This panel of cyber policy experts will explore the definition and reality of a cyber warfare threat, focusing on offensive capabilities and military doctrines of our potential nation-state adversaries, debate the deterrence strategies, and operational and legal frameworks guiding the use of defensive and offensive capabilities of the United States. Finally, the panel will discuss the range of options available to US policy makers for preparing for and responding to a cyber attack on this country.