This book underscores the interplay between religion and politics (local and global) in the production, escalation, management, mitigation, and resolution of conflict.

In the track Terrorism and Political Violence you will be familiarised with the academic debate regarding these contested concepts.

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'.…

There is something strange about all the comments relating to the Jihadist-movies that flood across the social media.

Researchers from Leiden University have investigated the living conditions of Dutch fighters in Syria. Their report is central to a panel discussion on Tuesday, 24 May.

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.

On the 25th of February, CTC researcher Daan Weggemans participated in a hearing of the permanent commission for social affairs and employment. During the hearing the issue of radicalization was discussed in two sessions. The first session gave members of parliament the opportunity to discuss the manifestations…

On 15 March, the 28-year-old Australian right-wing extremist Brenton Tarrant committed a terrorist attack on two mosques in Christchurch in New Zealand. Jelle van Buuren, Bart Schuurman, Daan Weggemans and Tahir Abbas all working at the Institute of Security and Global Affairs (ISGA) have been approached…

What insights do eleven social Facebook-accounts of Dutch and Belgic foreign fighters offer with respect to the phenomenon of so-called returnees?

The Dutch Department of Justice will give imprisoned terrorists the opportunity to earn money. This should have an positive effect on the resocialisation of detainees.

On Monday 2 September, a computer malfunction severely crippled several hospitals in the Dutch province of Gelderland. Which had a huge impact on patients’ appointments. Daan Weggemans, researcher at the Institute for Security and Global Affairs (ISGA) was interviewed on the issue by Dutch regional…

On Monday, 25 April 2019, a video appeared on the Internet where IS leader Abu Bakr al-Baghdadi was seen and heard. The Islamic terror group IS has distributed this video on the internet. Baghadadi has not appeared in public since 2014.

Municipalities claim successes in the fight against radicalization. But when do you call deradicalisation policy a success? Trouw gives 4 options.

At the beginning of March 2020, the Dutch Taskforce for Applied Research (SIA) awarded Daan Weggemans of the Institute of Security and Global Affairs a research grant. The Taskforce is part of the Netherlands Organisation for Scientific Research (NWO).

As of 1 January 2020 Daan Weggemans has succeeded Ruth Prins as programme director of the bachelor Security Studies. We asked him several questions about himself and his new position.

On 13 November 2025, the project team and experts on insurgency and counterinsurgency across Africa and beyond came together in The Hague to discuss current trends in research on government and community responses to jihadist insurgencies in Africa.

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 its magazine National Security and Crisis Management, the Ministry of Security and Justice paid extensive attention to the ISGA Conference ‘Who determines the security (research) agenda?’. Leiden researchers presented their research on important themes like the national security agenda, crisis management,…

Professor Bibi van den Berg welcomed a class of grammar school pupils to the Faculty of Governance and Global Affairs on 10 May 2019. The children were given and introduction to the university and together with their teachers they discussed the internet and online security.

On Monday 29 April, Liesbeth van der Heide, researcher at the Institute of Security and Global Affairs of Leiden University, was a guest on the Dutch television programme ‘Nieuwsuur’. She reflected on the interview with Jason Walters, a former member of the Dutch Hofstad terrorist group. The ‘Hofstad…

Daan Weggemans, researcher at the Institute for Security and Global Affairs, discusses in the morning podcast of NU.nl whether the Netherlands is able to judge and guide the return of Syrian mothers and children.

The Security Studies bachelor's programme has received a bronze medal in EW Best Studies 2023. Every year, EW Best Studies selects the top programmes in Dutch higher education.

Radical books on Islam glorifying armed jihad and humiliating Jews and Christians are available in the Vught prison library.

On Thursday 6 May 2021, alumni of the Bachelor Security Studies (BaSS) and the Master Crisis and Security Management (CSM) were gathered in an online event arranged by the Institute of Security and Global Affairs and the study association L.S.A. Custodia.

CTC researchers Bart Schuurman and Quirine Eijkman conducted a 2-year study for the Dutch National Police on the pre-attack behavior of several homegrown jihadist groups and individuals.

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…

The European Research Council (ERC) announced the awarding of 494 Starting Grants to young scientists across Europe. One of these scholars is Corinna Jentzsch, Assistant Professor of International Relations at the Institute of Political Science. She received this grant for her research project ‘Countering…

Comparing terrorist attacks with falling off a step ladder is absurd, writes Jeanine de Roy van Zuijdewijn in NRC Handelsblad on 27 September 2017.

An overview of the media appearances of scientists working with the Faculty of Governance and Global Affairs about terrorist attacks in Europe, their consequences, and more.

Programme director of the bachelor's programme Security Studies Daan Weggemans kicked off the first webinar for prospective students this afternoon. In Kaltura Live he had an international audience of about 60 interested people.

On Monday 18 March at 10:45 a deadly shooting took place on the 24 Oktoberplein in Utrecht, killing three people and severely injuring five others. Leiden University expresses its solidarity with the families left behind in the wake of this horrendous and regrettable incident. Several researchers of…

Jihadism and smugglers, gold fever and ethnic strive. It is a toxic mix that makes the Sahel a volatile region in which jihadi's thrive. In the Dutch daily De Volkskant, terrorism expert Liesbeth van de Heide sheds a light on the complex problems that the Sahel is facing. Van der Heide is a researcher…

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.

Bert Koenders, Professor Peace, Justice and Security at the Institute of Security and Global Affairs (ISGA) appeared live on the ‘BNR de Wereld’ special broadcast ‘De Grote Vredesshow’ (The Great Peace Show). The radio show was hosted live from Wijnhaven in collaboration with the Faculty Governance…

In November, Somalia was the latest country to join the East African Community (EAC). This follows the Democratic Republic of Congo's accession to the regional intergovernmental organisation in March.

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…

Security in the broadest sense of the word was the key focus in the Interfaculty Conference on 4 April in Leiden. With almost 200 attendees and such well-known speakers as Dick Schoof, Pieter van Vollenhoven and Ad Verbrugge, the first conference was a success.

Over the last 5-6 years Burkina Faso has become seriously implicated in the rapid and dramatic changes in the geopolitical situation in the Sahel. The country, once reputed for its stability and safety, has come under the spotlight for the number of violent attacks and of internally displaced people.…

Terrorism expert Bart Schuurman has been appointed professor. As a researcher and lecturer at ISGA, he has witnessed the terrorist threat evolve and broaden. 'How can we explain these shifts and protect our society against them? That is what I want to focus on more,' he says.

Just a few years ago, jihadist terrorism was seen as Europe’s most pressing threat. Today, we are facing hybrid warfare and extremist groups that are undermining our safety from within. Bart Schuurman, Professor of Terrorism and Political Violence, calls for a different kind of research.

Every summer, Leiden University is the setting of dozens of summer schools in which professionals and students can receive extra training on a specific topic within a short space of time. We took a look at a summer programme on extremism. ‘A recruiter for al-Qaeda said that I could change the world.…

A fully corona proof graduation at Campus The Hague and the first class of graduates for the Bachelor Security Studies. It was a day to be remembered for 36 students and their families.

De Roy van Zuijdewijn, researcher and lecturer at the Institute of Security and Global Affairs, wrote an opinion piece on the ongoing threat still being posed by Jihadism in Dutch newspaper NRC.

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.

Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, in conversation with the NOS, warns to remain alert despite the reduced threat level for terrorism.

The Dutch national research organisation NWO has awarded a Veni grant to 21 researchers from Leiden University, two of them are researchers from FGGA: Dovilė Rimkutė and Bart Schuurman.

Migration and crime are in the spotlight in society. Within the Institute for Criminal Law and Criminology, research in this area has strongly developed in recent years. The concept of Crimmigration is central to this.

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!

This week the Turkish army invaded North East Syria. The Turkish invasion might well have had an unintended side effect: the escapement of thousands of Islamic State terrorists held in captivity. Experts on terrorism and politicians fear a resurrection of the terror group.