Introduction to cyber decision-making -- The key concepts of cyber -- The motivation and utility for covert action -- Digital power -- Anonymity and attribution in cyberspace -- Cyber and conventional operations: the dynamics of conflict -- Defining the role of intelligence in cyberspace -- How actors decide to use cyber--a rational choice approach -- Cognitive processes and decision-making in cyberspace -- Finding meaning in the expected utility of international cyber conflict -- Appendix A. Power score components and scores -- Appendix B. Modified Economist Intelligence Unit component values -- Appendix C. Affinity scores.