Ragazzi, ‘Suspect community or suspect category?‘, Journal of Ethnic and Migration Studies

On 8 March 2023 Helen Duffy, Professor of International Human Rights and Humanitarian Law in Leiden, published a monograph on Global Trends in Counter-terrorism and the Implications for Human Rights in Africa.

The research group Cyber Security Governance will provide cutting-edge academic research in the domain of cyber, where modern technology interacts with traditional concepts such as governance, sovereignty, law-enforcement, international relations and conflict.

Are terrorist suspects willing to reintegrate back into society? Can they reintegrate?

Jeanine de Roy van Zuijdewijn was invited to give the subject matter expert speech during the plenary meeting of the working groups of the Global Coalition against Daesh in Copenhagen on 28 January 2020.

Understanding the evolving landscape of extremism in the 21st century.

Meet and Greet

Study information

Study information

In this article, Jeanine de Roy van Zuijdewijn and Edwin Bakker provide a big picture reflection on two decades after 9/11 in Western Europe.

The research project ‘The History of National Security, 1945-present', is funded by the Netherlands Organisation for Scientific Research (NWO), the Campus The Hague/Leiden University and the Netherlands Institute for Military History (NIMH). The project will run until the summer of 2013, when we hope…

This research sets out to answer the following questions:

PhD candidates are encouraged to start thinking about job prospects well before the defence of their thesis. Many PhD graduates find employment in an academic or semi-academic environment.

Risk has become one of the defining features of modern society. This course examines various types of safety and security risks, and how these are perceived and dealt with in a wide array of professional and academic fields, ranging from criminology, counter-terrorism and cyber security, to philosophy,…

How have British, Dutch, and German security services dealt with political violence and terrorism since the late 1960s; to what extent did they consider these new phenomena as a task and how have they developed activities in order to counter these security threats?

How to minimalize the chance of recidivism for extremist prisoners.

In the Surveillance and Security Threat Monitor 2022-2023, the research project thematically examined threat developments.

This online advanced summer programme of Leiden University and ICCT focuses on the field of preventing, detecting and responding to violent extremism and gives insight in the opportunities and challenges of various approaches.

In the Master's programme Crisis and Security Management, specialisation Governance of radicalism, extremism and terrorism we focus on the academic body of knowledge on different form of protests, contention, resistance and violence. We explore and explain the emergence of radical and extremist move…

Some conflicts involve many Muslims as foreign fighters; other conflicts attract only relatively few combatants from abroad. Isabele Duvesteyn and Bram Peeters

PhD defence

What are the various forms of inter-organizational collaboration in the public safety sector? How are different forms of inter-organizational collaborative arrangements related? What is the relationship between inter-organizational collaboration and innovation in the public safety sector?

How do people become involved in terrorist organisations? Liesbeth van der Heide sought the answer to this question in a Malian prison, where she interviewed terrorists in a tiny cell. She discovered that the will to survive and social context are often more decisive than individual ideological convictions.…

This one-year, English-taught Master's programme offers insights on general developments as well as the specific challenges in the field of the governance of crisis and security, with in-depth knowledge of sub-fields of crisis and security management.

Bart Schuurman, Assistant Professor at the Institute of Security and Global Affairs in The Hague, has received a Veni grant which will allow him to continue his research into the radicalisation of terrorists for the next three years. ‘In order to better understand terrorists, I will focus on the large…

In the minor Global Affairs, students will explore the practical side of International Relations from a variety of perspectives, such as diplomacy, geo-economics, geopolitics, international organizations, international security, and global governance.

This project addresses the occurrence of political and ideological biased crimes in light of the recent migration influx in European countries.

This book presents an understanding of the concept of Countering Violent Extremism from a critical terrorism studies perspective using case studies from different countries while examining the issues it raises.

The Institute of Security and Global Affairs (ISGA) is a scientific institute that specialises in security issues. The ISGA is a part of the Faculty of Governance and Global Affairs at Leiden University. The ISGA has developed from the Centre for Terrorism and Counterterrorism (CTC) and the Centre…

This book is a much-needed update on our understanding of public diplomacy. It intends to stimulate new thinking on what is one of the most remarkable recent developments in diplomatic practice that has challenged practitioners as much as scholars.

In this article for Studies in Conflict & Terrorism, the authors analyse the evolution and interplay of national policies and international diplomacy on cyber terrorism within and across the UNSC’s permanent five members and the UN process on cyber norms (GGE and OEWG).

This research note argues that the “lone wolf” typology should be fundamentally reconsidered.

Marieke Liem en Edwin Bakker have published an article in the Dutch Magazine Criminology. The article tells us the following:

This book contextualizes the use of terror as part of wider movements of political contention, demonstrating that terroristic innovation occurs as part of wider historical processes rather than in a vacuum.

The specialisation in Global Political Economy provides you with a rigorous understanding of the global political economy and the different approaches to its study.

The Global Order in Historical Perspective specialisation focuses on how power relations are structured, from the great politics of global governance to diplomatic culture in regional and national perspectives through transnational alliances.

Subproject of

Subproject of

Polarisation in our society is on the rise. What makes people increasingly radical? How do we protect ourselves from extremist, terrorist or criminal threats, be they physical or in the cyber world? And what role do intelligence services play in this?

Promoting collaborative policies of inclusion relating to children of far right and Islamist parents in Western Europe (PREPARE).

Research goal: To support the design of technologies (counter-measures and communication measures) for the prevention, interdiction and mitigation of lone actor extremist events (LOEEs), which are hard to anticipate, yet can be highly damaging to local and national communities and therefore must be…