Political scientist Nicolas Blarel (Leiden University) analsyses how non-state actors can (directly or directly) attempt to provoke conditions for a crisis between state actors that have nuclear capabilities. He argues that there is an urgent but complicated and understudied task to understand and manage…

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Bart Schuurman is a research Fellow at the International Centre for Counterterrorism (ICCT) and at the Institute of Security and Global Affairs (ISGA) in The Hague. He was interviewed by Abigail Esman of the Investigative Project on Terrorism (IPT) about his new book 'Becoming A European Homegrown Jihadist'.…

This article explores how ISIS and the Taliban have fostered support through their parallel legal systems.

This project compares and explains dynamics of cross-border cooperation among European actors in the field of counterterrorism (CT).

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.

The Terrorism and Political Violence (TPV) research group focuses on understanding and addressing one of today’s most pressing security challenges: terrorism. Drawing from their academic expertise, the group offers a wide range of educational programmes designed for students, professionals, and a global…

In the Master's programme Crisis and Security Management, specialisation Terrorism and Political Violence, 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 movement.

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

Although Islamic State has largely been beaten, for now the Jihad scene in the Netherlands is more than alive. That is what professor Edwin Bakker (terrorism and counterterrorism) recently said in an interview in the Algemeen Dagblad.

This research project explores themes related to the system of close protection and surveillance (Dutch: bewaken en beveiligen) in the Netherlands.

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…

The course is taught by experts from Leiden University’s Institute of Security and Global Affairs (ISGA) from Leiden University, and guest speakers from various countries and universities. They bring academic depth and practical experience from the fields of security policy, counterterrorism, and international…

These syntheses allow the team to determine the extent to which schools-based interventions are effective at targeting radicalisation-related outcomes.

Schuurman examines how Russia is escalating its covert operations against European countries.

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

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?

In an increasingly complex and security-challenged society, the CSM programme, Terrorism and Political Violence, provides you with the theoretical and practical skills to understand the issues underlying security challenges and develop solutions for crisis and security management.

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.

This paper, written by Silvia D'Amato & Andrea Terlizzi, investigates the extent to which the European Union is strategically engaging against terrorism.

Nobody is better qualified to tell you what it is like to work at Leiden University than the employees themselves. Watch the videos and meet your future colleagues. They will be happy to share their experiences with you.

This project explores innovative strategies to counter online extremist content, focusing on integrating traditional content moderation tactics with targeted online interventions. Through research, workshops, and data-driven experiments, we aim to answer: How and when should traditional content moderation…

The Institute of Security and Global Affairs (ISGA) offers courses at both bachelor’s and master’s level. There are also minors, online learning and courses for professionals.

Following the terrorist attacks in Paris (November 2015) and Brussels (March 2016), Belgium’s counterterrorism policy has been heavily criticized – domestically and worldwide.

This study focuses on increasing our understanding of the different pathways converts take during conversion to Islam.

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

From 2012 onwards the primary scholarly and media focus in regard to foreign fighters has been on the large number of Westerners joining jihadist groups in Syria and Iraq. Yet, much less attention has been paid to another conflict in the ring around Europe that attracted foreign fighters: the Russo-Ukrainian…

This study investigates how two social and political developments, in the UK and Germany, impacted on the experiences of minorities and the attitudes of majorities vis-à-vis tolerance in those two countries. The results provide a thought-provoking picture of the views of minority and majority groups…

The Institute of Security and Global Affairs (ISGA) is a scientific institute that specialises in security issues.

From the rise and fall of Egypt’s Muslim Brotherhood, to Islamic State’s attempts to create its own currency, to the dramatic return of the Taliban in Afghanistan, this edited volume from two leading scholars of contemporary terrorism assembles an enviable array of international experts to explore these…

Can behaviour in an online economic game be understood as a representation of radicalisation propensity?

In this article, Bart Schuurman and Sarah Louise Carthy explore the distinctions between radicalised individuals and the general population

How do authorities and citizens construct meaning in the aftermath of jihadist terrorist attacks through the use of frames, rituals, and symbols. What does this reveal about the communicative impact of terrorism?

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

The Institute of Security and Global Affairs (ISGA) hosts two research journals and publishes the ISGA Reports series. Besides its own publications, researchers at ISGA also publish books or journal articles elsewhere. You can find all these external publications under Research output on the right.

Do you have a question about studying at leiden University or student life in Leiden or in The Hague? Do you want more information about the Crisis and Security Management programme? Chat with a current student for answers to your questions!