The aim of the book is to analyse and understand the impacts of artificial intelligence in the fields of national security and defense; to identify the political, geopolitical, strategic issues of AI; to analyse its place in conflicts and cyberconflicts, and more generally in the various forms of violence; to explain the appropriation of artificial intelligence by military organizations, but also law enforcement agencies and the police; to discuss the questions that the development of artificial intelligence and its use raise in armies, police, intelligence agencies, at the tactical, operational and strategic levels.

Cyberdefense has become, over the past five years, a major issue on the international scene. China, by the place it occupies, is the subject of attention: it is observed, criticized, and designated by many states as a major player in the global cyber-insecurity. The United States is building their cyberdefense strategy against what they call the "Chinese threat." It is therefore important to better understand today's challenges related to cyber dimension in regard of the rise of China. Contributions from international researchers provide cross perspectives on China, its strategies and policies for cybersecurity and cyberdefense. These issues have now gained major strategic dimension: Is Cyberspace changing the scene of international relations? How China does apprehend cybersecurity and cyberdefense? What are the issues, challenges? What is the role of China in the global cyberspace?

Cyberspace is one of the major bases of the economic development of industrialized societies and developing. The dependence of modern society in this technological area is also one of its vulnerabilities. Cyberspace allows new power policy and strategy, broadens the scope of the actors of the conflict by offering to both state and non-state new weapons, new ways of offensive and defensive operations. This book deals with the concept of "information war", covering its development over the last two decades and seeks to answer the following questions: is the control of the information space really possible remains or she a utopia? What power would confer such control, what are the benefits?