This book is a multi-disciplinary analysis of cyber warfare, featuring contribution by leading experts from a mixture of academic and professional backgrounds. Cyber warfare, meaning interstate cyber aggression, is an increasingly important emerging phenomenon in international relations with state-orchestrated (or apparently state-orchestrated) computer network attacks occurring in Estonia (2007), Georgia (2008) and Iran (2010). This method of waging warfare-given its potential to, for example, make planes fall from the sky or cause nuclear power plants to melt down