
International Humanitarian Law and Hybrid Warfare (Routledge Research in the Law of Armed Conflict)
Author(s): Piotr Łubiński (Author)
- Publisher: Routledge
- Publication Date: 28 Nov. 2025
- Edition: 1st
- Language: English
- Print length: 272 pages
- ISBN-10: 1032057173
- ISBN-13: 9781032057170
Book Description
This groundbreaking monograph offers a comprehensive legal and conceptual analysis of hybrid warfare and hybrid threats―two evolving challenges that blur the boundaries between war and peace. Drawing from international law, political science, and security studies, the book explores how states and non-state actors exploit legal, informational, and cyber tools to undermine adversaries without crossing the threshold of conventional warfare. With in-depth case studies and a critical review of doctrines from NATO, the EU, China, and Russia, the author maps the conceptual thresholds that distinguish hybrid threats from hybrid warfare. The book introduces “hybrid legality” as a framework to understand how international humanitarian law, human rights law, and sovereignty norms are manipulated in modern conflicts. Emphasizing the risks of conceptual ambiguity, it warns against the overuse of terms like “hybrid war” and “hybrid attack,” which may lead to alarm fatigue and legal confusion. Instead, it argues for precision and interdisciplinary insight to confront these threats effectively. With a unique focus on legal thresholds and norms, the volume is essential reading for scholars, policymakers, and practitioners navigating today’s increasingly multipolar and legally ambiguous security environment.
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Review
's thought-provoking new book highlights the importance of hybridity in war and/or threats in the 21st century world. While crossing between various international legal regimes, he highlights the role played by this phenomenon. The book makes an important contribution to the discourse surrounding this very timely concept.'
Milan Lipovský, Charles University, Czech Republic
'This monograph is the first publication in international law to deeply analyze hybrid warfare, exploring its links to hostilities and establishing a foundation for future research. It offers a substantive interpretation of hybridity’s role in modern warfare, encouraging further scholarly inquiry into its evolving legal and operational dimensions.'
Marcin Marcinko, Jagiellonian University, Poland
'Hybrid threats and hybrid warfare are the real world we live in today and are constantly changing. Existing and applied norm of International Humanitarian Law lag behind these changes and do not provide clear answers on how to apply them in the new conditions. Piotr Łubiński’s book is an attempt to adapt them to these challenges.'
Andrzej Makowski, Naval Academy in Gdynia, Poland
About the Author
Piotr Łubiński lectures at the Institute of Political Science and International Relations at the Jagiellonian University, Poland. He is also a visiting lecturer for the NATO CIMIC Centre of Excellence, the War Studies University, the Military Centre for Civic Education, the Military Training Centre for Foreign Operations in Kielce, and the Polish Red Cross.
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