Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

The Hague is the international city of peace and justice, home to many international organisations, embassies and multinational corporations but also a fun student city filled with music, cafes, museums and the most popular beach in the Netherlands!

Do you have to be able to say everything on Twitter and Facebook? Is Instagram morally obliged to remove photos from attacks? Should we allow the terrorist group to recruit new members on the internet?

Learn about the MSc in International Politics at Leiden University: programme structure, key courses, thesis seminar and small-group instruction in The Hague.

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You’ve been accepted! Leiden University looks forward to welcoming you as a new student. Your next step is to prepare for your studies. Below you can find some tips to help you get a head start as you embark on your studies at Leiden University.

Graig Klein, assistant professor at the Institute of Security of Global Affairs (ISGA), has been awarded a Starting Grant by the European Research Council (ERC) for his project TERGAP. With this 1.500.000 euro grant Klein and his research team will investigate terrorist groups’ decision-making and strategic…

Marieke Liem, Associate Professor at the Institute of Security and Global Affairs (ISGA), has been interviewed by Trouw about the opinion of the Dutch concerning the threat assessment:

The Hofstad group is known mainly because of Mohammed B., the murderer of Theo van Gogh. PhD candidate Bart Schuurman examined this Dutch jihadist group based on interviews and confidential police files. How and why did the group come about? What drove some of the group members to commit terrorist…

All players on the world stage operate strategically in order to safeguard their interests. Political scientists at Leiden University cast light on this volatile interplay of forces. Their research helps voters, NGOs, governments and international organizations make smart choices in this complex and…

Did you know that research and education in the field of digital innovation are key pillars of the Faculty of Governance and Global Affairs? Over the next seven days, we are organising Cyberweek on our social media channels to showcase what we have to offer.

Crises arising from terrorism, cyber threats, and natural disasters dominate world news and make Crisis and Security Management a heavily politicized and hotly debated topic at the top of the national and global societal and governance agenda.

International organisations that represent collaborations between States are becoming increasingly more powerful, and they have an increasing impact on our daily lives. For example, the European Court of Human Rights in Strasburg established that minors have a right to legal aid immediately following…

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

Did you know that research and education in the field of digital innovation are key pillars of the Faculty of Governance and Global Affairs? Over the next seven days, we are organising Cyberweek on our social media channels to showcase what we have to offer.

Damien Van Puyvelde discusses his new book on France’s foreign intelligence service, the DGSE, and explores secrecy, cyber threats and democratic accountability in international media.

As a strategy and international security specialist, Julien Bastrup-Birk (41) has advised both NATO and the United Nations Office on Drugs and Crime and worked at the UK Foreign and Defence ministries. Next week, he will defend his PhD on clandestine non-state power in the international system.

The second and final volume of this co-authored study has just been published by J.B. Metzler. This second monograph explores the history of the concept of barbarism in the twentieth and twenty-first centuries.

Women in International Security -Netherlands (WIIS-NL) is an affiliate of WIIS Global. WIIS-NL Members include: professionals, civil servants, academics, NGOs, employees of international bodies and organizations, embassy staff, politicians, students, and interested members of the general public. The…

The Advanced Master's specialization International Criminal Law at Leiden University examines international criminal law and international criminal procedure.

How are digital risk-profiles developed and used in practice?

Societies worldwide are being confronted with big challenges, the follow-on from such issues as climate change, technological innovations, political and economic crises. In the Master Public Administration (MSc.) you address these issues from a multi-level governance perspective.

In this publication, May Tamimova and Tahir Abbas researched the existing literature about violence and hatred against places of worship.

This is the 2017 paperback release of William Michael Schmidli's The Fate of Freedom Elsewhere, which won the 2013 Foreign Affairs Magazine Best Book of the Year.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

Team History of Africa and the Americas

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The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

Sub-Saharan Africa has seen a significant rise in terrorist acts and radicalized youth since the appearance of Boko Haram in 2009 and the fall of Libya in 2012. This book investigates the deeper layers of radicalization in Sub-Saharan Africa, which is situated in a larger global tendency.

Urban riots, violent responses by police, drug-related assassinations, child abuse, bar fights: Violence is a core theme in today’s modern society.

The master's programme Comparative Criminal Justice at Leiden University focuses on criminology, criminal law and their mutual relationship. The programme offers an international comparative perspective, analysing criminal justice systems, legislation and policies in common law and civil law countri…

The volume is one-stop shopping for crisis studies and a number of closely related fields, providing a window onto the latest thinking in the field. The articles reflect cutting edge, state of the art scholarship and pose key questions for research and practical development.

When you apply for admission, you'll be asked to submit several documents.

The American president Trump is considering military intervention in Mexico to get rid of the drug cartels once and for all, but Mexico is not interested in other countries' interventions. According to Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, Trump's much…

In response to an news article that appeared in Dutch newspaper the 'NRC

In the 15th issue of Eurojust News Alastair Reed, Acting Director of the International Centre for Counter-Terrorism gave an interview about counter-terrorism, lone wolves and how Eurojust could serve as a platform to improve strategic communication on counter-terrorism between Member States.

In this Inspirationlab, Prof. Simone Buitendijk and Prof. Edwin Bakker share their visions on the future of open education. How does open education influence Leiden University's strategy? And what can we say about its relevance and impact? Registrations for The Future of Open Education are now open!

European countries struggling how to deal with the issue of returning foreign fighters, women and children from the Caliphate

Edwin Bakker is one of the speakers during the