Global Cybersecurity: Key Issues and Concepts.- The Evolution of Rules and Institutions in Cybersecurity: Cloud Computing and Big Data.- Cybersecurity in National Security and International Relations.- Cybersecurity's Effects on International Trade and Investment.- Cybersecurity in the USA.- Cybersecurity in European Union Economies.- Cybersecurity in China.- Cybersecurity in India.- Cybersecurity in Japan.- Cybersecurity in South Korea.- Cybersecurity in Gulf Cooperation Council Economies.- Cybersecurity in Brazil.- Cybersecurity in Russia.- Lessons Learned, Implications and the Way Forward.