Nicholas Tsagourias
About/Bio
Nicholas Tsagourias is Professor of International Law at the University of Sheffield and Director of the Sheffield Centre of International and European Law (Nicholas.Tsagourias@sheffield.ac.uk).
Recently Published
The African Union’s Statement on the Application of International Law to Cyberspace: An Assessment of the Principles of Territorial Sovereignty, Non-Intervention, and Non-Use of Force
A growing number of States have published statements examining the application of international law to cyberspace (for an overview see the Cyber Law Toolkit). On 29 January 2024, the African Union (AU) Peace and Security Council adopted the ‘Common African Position on the Application of International Law to the Use of Information and Communication Technologies in…
Essequibo referendum: An unlawful threat of force?
December 18, 2023
Nicholas Tsagourias
Essequibo (or Guayana Esequiba according to Venezuela) is an oil rich region given to Guyana by the 1899 Paris Arbitral Award. It amounts to approximately two thirds of Guyana’s territory. Since the early 1960s, Venezuela disputed the validity of the arbitral award and laid claim to the territory. In 1966, the Geneva…
Ukranian ‘IT Army’: A Cyber Levée en Masse or Civilians Directly Participating in Hostilities?
In the days following Russia’s invasion of Ukraine, Ukraine’s Deputy Prime Minister and Minister for Digital Transformation Mykhaylo Fedorov announced in a tweet the creation of an ‘IT Army’. According to reports, as many as 400, 000 people from across the world have joined. A list of targets has been published and…
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Popular articles by Nicholas Tsagourias
Electoral Cyber Interference, Self-Determination and the Principle of Non-Intervention in Cyberspace
August 26, 2019
Nicholas Tsagourias
Introduction In recent years we have witnessed persistent attempts to interfere in elections by using cyber means. Russia’s cyber interference in the 2016 US presidential election is a prime and perhaps the most discussed example but it is not the only one; other incidents include electoral interference in the Netherlands, the UK, France and Germany…
Ukranian ‘IT Army’: A Cyber Levée en Masse or Civilians Directly Participating in Hostilities?
In the days following Russia’s invasion of Ukraine, Ukraine’s Deputy Prime Minister and Minister for Digital Transformation Mykhaylo Fedorov announced in a tweet the creation of an ‘IT Army’. According to reports, as many as 400, 000 people from across the world have joined. A list of targets has been published and…
The African Union’s Statement on the Application of International Law to Cyberspace: An Assessment of the Principles of Territorial Sovereignty, Non-Intervention, and Non-Use of Force
A growing number of States have published statements examining the application of international law to cyberspace (for an overview see the Cyber Law Toolkit). On 29 January 2024, the African Union (AU) Peace and Security Council adopted the ‘Common African Position on the Application of International Law to the Use of Information and Communication Technologies in…