Book excerpt: Cyber security is one of the big challenges of the 21st century. Failure to meet the threat can have major consequences for the individual, a company, an NGO or a nation state. The cost of cyber crime is in the billions of pounds per year. Cyber wargames are an essential part of the training cycle, education and operational analysis needed to rise to meet this threat. This handbook aims to fill a gap in the training for cyber-attacks and cyber warfare. By providing worked examples of different types of manual cyber wargame, including aims and objectives for each, it provides a basis for the reader to understand the potential range of games on offer. It also helps educate clients about the different types of cyber wargame available and can help them procure the right type of game in order to meet their needs. Cyber wargaming combines two complex fields: wargame design and cyber operations. This handbook is full of examples of such manual games. It includes examples of: Network attack and defence exercises Committee games Company and state level games Example of a Matrix Game Analysing the cyber security space using Confrontation Analysis Media Wars: The Battle to Dominate the Information Space Attack Chain modellingThe book is full of additional information for the reader, such as how a cyber conflict might develop or what the key decisions C-Suite leaders need to consider when faced by a sustained cyber attack.