Cyber-attacks could have a potentially devastating impact on the nation's computer systems and networks, disrupting the operations of government and businesses and the lives of private individuals. Increasingly sophisticated cyber threats have underscored the need to manage and bolster the cybersecurity of key government systems as well as the nation's critical infrastructure. This book identifies challenges faced by the federal government in addressing a strategic approach to cybersecurity, and determines the extent to which the national cybersecurity strategy adheres to desirable characteristics for such a strategy.