SUMMAY Executive Summary.......................................................................................................... 9 Introduction....................................................................................................................... 13 Chapter 1 Cyberspace: beyond a global common space............................................................. 17 Cyberspace: opportunities and challenges......................................................................................17 Digital infrastructure....................................................................................................................................19 International plan: security in cyberspace........................................................................................19 A new conception of cyberspace........................................................................................................20 Chapter 2 Threats and challenges in cyberspace.......................................................................... 23 Cyberthreats ...................................................................................................................................................23 Actions that use cyberspace for malicious purposes................................................................24