FrontMatter -- Preface -- Acknowledgment of Reviewers -- Contents -- Group 1-Attribution and Economics -- Introducing the Economics of Cybersecurity: Principles and Policy Options--Tyler Moore -- Untangling Attribution--David D. Clark and Susan Landau -- A Survey of Challenges in Attribution--W. Earl Boebert -- Group 2-Strategy, Policy, and Doctrine -- Applicability of Traditional Deterrence Concepts and Theory to the Cyber Realm--Patrick M. Morgan -- Categorizing and Understanding Offensive Cyber Capabilities and Their Use--Gregory Rattray and Jason Healey -- A Framework for Thinking About Cyber Conflict and Cyber Deterrence with Possible Declaratory Policies for These Domains--Stephen J. Lukasik -- Pulling Punches in Cyberspace--Martin Libicki -- Group 3-Law and Regulation -- Cyber Operations in International Law: The Use of Force, Collective Security, Self-Defense, and Armed Conflicts--Michael N. Schmitt -- Cyber Security and International Agreements--Abraham D. Sofaer, David Clark, and Whitfield Diffie -- The Council of Europe Convention on Cybercrime--Michael A. Vatis -- Group 4-Psychology -- Decision Making Under Uncertainty--Rose McDermott -- Group 5-Organization of Government -- The Organization of the United States Government and Private Sector for Achieving Cyber Deterrence--Paul Rosenzweig -- Group 6-Privacy and Civil Liberties -- Civil Liberties and Privacy Implications of Policies to Prevent Cyberattacks--Robert Gellman -- Group 7-Contributed Papers -- Targeting Third-Party Collaboration--Geoff A. Cohen -- Thinking Through Active Defense in Cyberspace--Jay P. Kesan and Carol M. Hayes -- Appendixes -- Appendix A: Reprinted Letter Report from the Committee on Deterring Cyberattacks -- Appendix B: Workshop Agenda -- Appendix C: Biosketches of Authors -- Appendix D: Biosketches of Committee and Staff.