Cyberspace: beyond a global common space This chapter presents the opportunities and challenges of cyberspace and digital infrastructure, outlines the inherently international aspect of its security approach and describes the broad strokes of Spain’s new understanding of cyberspace. Cyberspace: opportunities and challenges C yberspace is a global common space characterised by its functionality and dynamism. Lack of sovereignty, its weak jurisdiction, ease of access and difficulty to attribute actions within it define a scenario with a wide range of future opportunities while also posing some serious Prime Minister’s Office National Cybersecurity Strategy 2019 17