Table of Contents

Research Handbook on Disasters and International Law

Research Handbook on Disasters and International Law

Research Handbooks in International Law series

Edited by Susan C. Breau and Katja L.H. Samuel

International law’s role in governing disasters is undergoing a formative period in its development and reach, in parallel with concerted efforts by the international community to respond more effectively to the increasing number and intensity of disasters across the world. This Research Handbook examines a broad range of legal regimes directly and indirectly relevant to disaster prevention, mitigation and reconstruction across a spectrum of natural and manmade disasters, including armed conflict.

Chapter 19: Disasters caused in cyberspace

James A. Green

Subjects: environment, disasters, environmental governance and regulation, environmental law, law - academic, environmental law, law and development, public international law, politics and public policy, environmental governance and regulation


The threat of cyber-inflicted disaster looms large. Yet there are few bespoke rules of international law governing cyber threats, and little prospect of new ‘cyber law’ emerging. The common approach to dealing with large-scale cyber threats has thus been to apply the existing prohibition of the use of force. It is no simple matter to apply the prohibition to cyber-attacks, however. Applying the prohibition also involves significant attribution problems, and it covers neither cyber-attacks perpetrated by non-state actors nor unintended cyber harm. It is therefore argued that the focus should be reoriented to another existing international legal obligation: the duty of due diligence. This duty has been applied successfully to other issues of international concern, and its application to cyberspace would remedy (or minimise) the issues associated with applying the prohibition of the use of force. The duty can act as a more effective means of trying to prevent cyber disasters.

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