The Netherlands sees thorny dilemmas placed with regard to the conviction of returning IS fighters. The Netherlands, like the other EU member states, does not respond to the Kurds' wish to take back 'their' Syrian people. Bart Schuurman, terrorism expert, states that an international tribunal, flanked…

On Tuesday 20 March, Constant Hijzen, Assistant Professor of Intelligence Studies at the Institute of Security and Global Affairs (ISGA), gave a lecture in the Diplomacy and Global Affairs Research Seminar series of Diplomacy and Global Affairs Research, titled ‘Of ticking bombs: Western services against…

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…

Over 300 people from 38 different countries took part in the online lecture

From 16 to 18 August, 30 participants from 18 different countries gathered online to participate in the Online Summer Programme: Preventing, Detecting and Responding to Violent Extremism, organised by Leiden University’s Centre for Professional Learning (CPL) together with the International Centre for…

On Thursday, December 12, 2024, historian and terrorism expert Beatrice de Graaf will deliver the 53rd Huizinga Lecture at the Stadsgehoorzaal in Leiden. Under the title

Conspiracy theories are of all times, and the government should never dismiss them as a fantasy of fools. Certainly not now, when it turned out that authorities made a conspiracy themselves with a journalist threatened with murder. Which proves that the truth is always more insane than you could have…

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.

There is a lot of unrest in the Western Sahel at the moment as a result of growing Jihadism and terrorist attacks. Stability and security in the region are falling apart making room for growing radicalisation. But what do you need to look out for in order to be able to recognise radicalisation and what…

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

On Tuesday 23 May, Jelle van Buuren, assistant professor at the Institute of Security and Global Affairs, was a guest at the Dutch news programme Pauw. As expert on terrorism he discussed the attack in Manchester at the concert of pop star Ariane Grande.

The life of a researcher is not easy, as many a scientist will confirm; but doing fieldwork in an environment of conflict and violence is extremely compex, attests the account of Dr Roland Ziébé, veterinarian in Cameroon and researcher at both the Leiden Institute of Environmental Sciences (CML) and…

Palestinian national Abu Zubaydah was captured by the CIA in March 2002 and has remained in detention ever since, without any form of trial. Leiden professor Helen Duffy is doing all she can to secure his release or a fair trial. Her hopes now lie on international pressure and the UN Working Group on…

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.…

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.

For most of the past ten years, Europe has been in a state of ‘crisis’. The bank crisis mutated seamlessly via the Euro crisis to the present migrant crisis. Whereas previously the general assumption was that even closer cooperation within the European Union was a foregone conclusion, the EU is now…

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.

A research team from Leiden University, in cooperation with Bureau Boekhoorn Sociaal-Wetenschappelijk Onderzoek en Advies (BBSO), is to evaluate Dutch counterterrorism legislation.

Reports from Quebec media show the French-Canadian far-right organisation La Meute dealt itself another self-inflicted blow this week, with several club executives being forced out of the group and having a former co-founder, Patrick Beaudry, publicly declare ‘the ship is sinking.’

On 13 June 2017, twenty-three master students of the Faculty Governance and Global Affairs were handed their diploma. They graduate on subjects related to public management and policy, some focussing on security and terrorism. Alumna Hannah Joosse: ‘I am happy that I can apply the knowledge gained during…

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,…

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.

The risk that conspiracy theories could incite a broad movement against the established political order is virtually non-existent. This is what researcher Jelle van Buuren of the Institute of Security and Global Affairs concluded in his PhD dissertation.

For a certain period the municipality of The Hague collaborated with the Salafist Quba mosque. The reason for the collaboration was to keep an eye on for radicalised youngsters. But as the collaboration progressed, the mosque became a breeding ground for Jihadists.

Sergei Boeke has once again proven that there are more roads than one that lead to Rome with his PhD research into al Qaeda in the Islamic Maghreb. It is both the core point of his conclusions as well as the leitmotiv for his approach. Boeke’s dissertation is comprised of five academic articles that…

Nineteen new Leiden University MOOCs have started this January. Anyone can take part in these online courses varying from combatting terrorism to kidney transplantation.

Municipalities and security services actively monitor at least 160 radicalized Muslims in The Netherlands, as is shown in research by the Volkskrant. Terrorism expert Jelle van Buuren explained in the media.

Dutch agents, military personnel, prosecution personnel and diplomats in Ukraine have been spied on by intelligence services from Ukraine and Russia after the MH17 disaster. Reliable sources reported this to RTL Nieuws. The espionage by Ukraine is very sensitive, because it is highly unusual that espionage…

Our world is constantly changing. Developments in the field of technology, data and society determine how we tackle security. This demands a new vision on security.

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.

Since the invasion of Ukraine in 2022, Russia has been conducting a covert sabotage campaign against Europe. The ‘Bewaken en Beveiligen’ (Surveillance and Security) project team at Leiden University has investigated the scale of these operations and compiled its findings in the report Russian Operations…

Terrorism experts Daan Weggemans (Leiden University) and Beatrice de Graaf (Utrecht University) conducted one of the first scientific studies on the societal reintegration of jihadist former detainees. They showed that the reintegration process isn't without problems. Their conlusions are presented…

Counterterrorism specialists often have to contend with difficult ethical dilemmas. There is currently a lack of any adequate infrastructure within intelligence agencies for discussing these dilemmas, Michael Kowalski writes in his dissertation. PhD defence on 12 March.

Sending migrants back. Open borders. These are the kinds of words that are used, but what does the situation really look like at these borders? Professor of Law and Society Maartje van der Woude, an expert in crimmigration, is researching precisely this.

Leiden University now offers almost 20 Massive Online Open Courses (MOOCs). The enthusiasm displayed by participants makes it rewarding to develop and teach such courses, say MOOC lecturers Marlies Reinders and Edwin Bakker. But that is not all, ‘You bring together a global community.’

Security and safety challenges are at the top of the list of the most pressing issues of contemporary society.

On 3 and 4 March, the 2nd Doctoral Seminar on International Criminal Law, International Human Rights Law and International Humanitarian Law was held at the Siracusa International Institute for Criminal Justice and Human Rights in Sicily. Ida Asscher and Anna Smulders, both PhD Candidates at the Grotius…

On Thursday 11 November, Women in International Security Netherlands (WIIS-NL) held its inaugural webinar event on 11 November with four speakers in conjunction with the International Centre for Terrorism (ICCT) and the Chair UN Studies in Peace and Justice at Leiden University.

The UK has recently been facing racist violence outbreaks. Tahir Abbas, Professor of Radicalisation Studies, discusses this in an article on Hyphen.

Tobias Müller, post-doctoral researcher in the field of Terrorism and Political Violence at ISGA, writes how together, religious groups and scientists can be a powerful force for a liveable planet.

Do children growing up in a jihadist or right-wing extremist household develop the same extremist views as their parents?

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).

Research is at the heart of a solid security policy. That’s why researchers from Leiden are analysing the motives of radicalised people and the biggest risks surrounding digital activity. Read more about their work in the research dossier ‘Security and Threat’.

On Tuesday 10 September 2019, the opening of the Master European Law took place in the Old Observatory. Ms Catherine De Bolle, Europol Executive Directeur, presented the opening lecture.

The imprisoned leader of the Kurdistan Workers’ Party (Partiya Karkerên Kurdistan, PKK), Abdullah Öcalan, called for a peace settlement between Turkey and PKK on 28 February 2015.

PhD-student Nikki Sterkenburg studies far-right extremist groups. But how does she get in touch with these groups? And what do you do if you stumble upon illegal activities? She explains in our podcast series (in Dutch).

Leiden University mourns the victims of the terrorist attacks in Brussels. These attacks are an assault on our democratic society. We will continue to defend our European values of freedom and tolerance against all attempts to undermine them.