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Security at the frontier

31 March 2021


Increasing global connectivity has brought with it¬†a¬†new range of¬†security threats that were unfathomable just decades ago. Global reliance on¬†the internet and on¬†virtual networks has revealed a¬†range of¬†new cyber vulnerabilities and threats, including to¬†critical infrastructure and the Internet of¬†Things (IoT).Cyber technology has brought with it¬†a¬†new security focus on¬†outer space, which has become key to¬†the functioning of¬†national and international infrastructure on¬†the ground. Furthermore, technologies using the electromagnetic spectrum, which are increasingly integral to¬†military operations, create new challenges and¬†adversarial threats including the prospect of¬†electronic warfare.These challenges have expanded geographically too, as¬†countries explore new physical frontiers, like the Arctic, as¬†regions of¬†strategic interest. This conference report, comprising of¬†four expert essays and a¬†meeting summary, draws upon Chatham House‚Äôs December 2020 conference ‚ÄėSecurity at¬†the Frontier‚Äô,1 to¬†examine the latest developments in¬†cyberspace, outer space, the Arctic and electronic warfare, and considers how best the UK¬†and Japan might respond to¬†these challenges.


Emily Taylor
Associate Fellow, International Security Programme

Alexandra Stickings
Research Fellow, Space Policy and Security, RUSI

Dr Aki Tonami
Associate Professor in International Relations and Economics, University of Tsukuba

Lieutenant General (Retired) Jun Nagashima
Senior Research Adviser, Nakasone Peace Institute


united kingdom japan cyber security asia-pacific programme arms control technology governance