conflict law international
Conflict Law


Cyber Law International is a boutique international law firm dedicated to professional training, consultation, and research. We specialize in the international law governing state and non-state activities in cyberspace. Relying on our team of globally recognized international law scholars and practitioners, we offer our services globally to governments, international organizations, non-governmental organizations, technology companies, and others involved in international cyber affairs.


Courses, seminars, and workshops tailored to the specific needs of our clients, both in terms of content and duration. Globally renowned instructors and a practitioner-oriented approach.


Legal advice on the public international law applicable to cyberspace. Our services include consultation on the formulation of national policy regarding the legal aspects of cyberspace, operational issues, and proceedings before domestic and international courts and tribunals.


Production of various forms of written guidance, white/position/non-papers, memoranda of law, scholarly articles, and other written products regarding legal issues concerning cyberspace.

For services related to non-cyber issues involving international security affairs, such as maritime and space operations, peacetime military activities, counter-terrorism, peacekeeping, the use of force, and armed conflict — visit our sister firm Conflict Law International


Liis Vihul

Liis Vihul


Founder of Cyber Law International. Also Deputy Chair of the Global Commission on the Stability of Cyberspace’s Research Advisory Group, and Ambassador of the NATO Cooperative Cyber Defence Centre of Excellence. Formerly senior analyst at the NATO CCD COE (2008-2017).




Also Professor of International Law at the University of Exeter, Howard S. Levie Professor of Law at the United States Naval War College, Francis Lieber Distinguished Scholar at West Point, and Senior Fellow at the NATO Cooperative Cyber Defence Centre of Excellence.




Also Chair of Public Law, in particular
public international law, European law
and foreign constitutional law, at the
Europa-Universitat Viadrina.

Marko Milanovic

Marko Milanovic

Also Professor of Public International Law at the University of Nottingham, co-editor of EJIL: Talk!, the blog of the European Journal of International Law.

Robin Geiss

Robin Geiss

Also Professor of International Law and Security at the University of Glasgow, visiting professor at Sciences Po, Paris.

Rob McLaughlin

Rob McLaughlin

Also Professor of Military and Security Law and Director of the Australian Centre for the Study of Armed Conflict at the University of New South Wales Canberra at the Australian Defence Force Academy.



Cyber Law International Jan 07

We couldn’t wish for a better partner than @dfat & @AusAmbCyber and look forward to continuing our cooperation in t…

Cyber Law International Dec 23

RT @_JohannaWeaver:🎵 Wanna find out which counties have been naughty or nice in cyberspace this year? Which ones have been acting in a…

Cyber Law International Dec 11

While the 6th UN GGE is meeting in New York this week and among other issues discussing the international legal iss…

Cyber Law International Dec 11

We are proud to be part of Australia’s @dfat efforts to strengthen understanding of cyber norms and the application…

Cyber Law International Nov 29

We had the pleasure of spending time this week with several alumni of the Int. Law of Cyber Ops executive course. T…

Cyber Law International Nov 22

RT @JHChrisstoffels:Congratulations to a new class of graduates! #cyberspace #internationallaw thanks a million to our partners and fri…

Cyber Law International

Tallinn | Estonia |