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.

In an increasingly complex and security-challenged society, the CSM programme, Governance of radicalism, extremism and terrorism, provides you with the theoretical and practical skills to understand the issues underlying security challenges and develop solutions for crisis and security management.

At the winter conference of the Dutch Christian student union CSFR, Mark Dechesne, Associate Professor, spoke about the decline in terrorist violence in the Netherlands.

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?

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…

Tahir Abbas was named full professor of radicalization studies by the Executive Board. This chair, according to Abbas, is an excellent opportunity for ISGA to broaden its current focus on terrorism and political violence. Abbas was interviewed about his ambitions, writing as a form of relaxation, and…

Jeanine de Roy van Zuijdewijn, researcher and lecturer at ISGA, was a guest on NPO Radio 1 where she discussed the attacks carried out in 2011 by Anders Breivik.

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.

On 31 May, during a three-hour live broadcast on the Dutch online television channel Islaam.tv, 100,400 euros was pledged to the Belgian-Moroccan imam Tarik Ibn Ali.

This August, the second edition of the Advanced Summer Programme

Alastair Reed, Assistant professor at the Institute of Security and Global Affairs (ISGA) is interviewed by Devex, the media platform for the global development community.

The fall of the IS caliphate is coming closer. At the same time, the AIVD warned for an increase in the return of especially the hardened warriors. How should Europe handle this? The shrinking of freedoms will only feed terrorist organizations like IS.

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.…

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.

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…

On 18 March 2019, Gökmen Tanis shot three people in a tram in Utrecht. He shot a fourth victim after exiting the tram on the 24 Oktoberplein. On 1 July, the criminal trial against Tanis started with presumably only one possible outcome: a life sentence.

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?

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…

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

Jelle van Buuren bespreekt de link tussen radicalisering en psychiatrische problematiek.

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,…

Security and safety challenges rank among the most pressing issues of modern times. Challenges such as cyber-crime, terrorism, and environmental disasters impact the lives of millions across the globe. The course will introduce you to this broad theme in an increasingly complex world.

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!

Bart Schuurman, Assistant Professor at the Institute of Security and Global Affairs, discusses the development of the exchange of letters between Mohammed B. and ‘prisoner X’ and the usefulness of a separate terrorist department.

During an episode of Dutch television talk show PAUW on Monday 24 July, presenter Jeroen Pauw discussed the new threat assessment recently published by the Dutch National Coordinator for Security and Counterterrorism (NCTV). Jelle van Buuren, Assistant Professor Terrorism and Political Violence at Leiden…

Russia has been condemned by the International Court of Justice for violating the International Convention for the Suppression of the Financing of Terrorism and the International Convention on the Elimination of All Forms of Racial Discrimination, but only minimally. Larissa van den Herik, Professor…

From Incident to Precedent

On 21 March 2019, James Welch defended his thesis 'The Grotius Sanction: Deus Ex Machina. The legal, ethical, and strategic use of drones in transnational armed conflict and counterterrorism'. The doctoral research was supervised by Prof. dr. P.B Cliteur.

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

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

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

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

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Crises arising from terrorism, war, violence, cyber threats, and natural disasters dominate world news and make crisis and security a heavily politicised and hotly debated topic at the top of the national and global societal and governance agenda. This master Crisis and Security Management focuses on…

Crises arising from terrorism, war, violence, cyber threats, and natural disasters dominate world news and make crisis and security a heavily politicised and hotly debated topic at the top of the national and global societal and governance agenda. This master Crisis and Security Management focuses on…

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.

A research team led by Dr. Yannick Veilleux-Lepage (Institute of Security and Global Affairs) in collaboration with Emil Archambault has secured funding from the Canadian Department of National Defence’s Mobilizing Insights in Defence and Security (MINDS) program to study the use of drones by violent…

Toch kan je volgens dr. Jelle van Buuren dader Tobias R. niet in een bepaald hokje plaatsen. Van Buuren is kenner van het rechts-extremisme en reageert in het Reformatorisch Dagblad op de passages van Tobias R.

PhD defence

To what extent are there differences between countries in and outside the European Union and the Schengen area in the level of crimmigration, the merger between migration control and crime control, and to what extent can these differences be explained by the way in which state and non-state actors in…

What should policymakers and politicians do to prevent violent extremism? What are the greatest risks posed by the radical left and right? How do ideological media publications that terrorists assemble before attacks, may help to counter extremist narratives? About 30 professionals from all over the…

On 28 December 2019, Dutch newspaper Trouw published an essay by Constant Hijzen, Assistant Professor Intelligence Studies at the Institute of Security and Global Affairs and the Institute for History. In the essay, he discusses two books on a new genre of espionage: the authors provide access into…

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.

Security is key to survival for any living organism: life is full of perils and threats, both physically, environmentally, and societally. Security challenges such as terrorism, natural disasters, and cybercrime rank among the most pressing issues of our time, affecting the security and safety of millions…