The US President called upon his European allies to take back IS fighters from their countries. It concerns 800 fighters who were arrested by US troops during the war with IS. Forty of the 800 fighters are Dutch and want to return to the Netherlands.

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.

Door recente cyberaanvallen op instituties binnen en buiten Europa groeit het vermoeden steeds sterker dat achter de aanvallen wellicht een politieke motivatie schuilt. Jelle van Buuren van het Institute of Governance and Global Affairs (ISGA) verscheen in het NRC om te bespreken of er sprake kan zijn…

Jelle van Buuren, assistant professor at the Institute of Security and Global Affairs (ISGA), does not understand that Mark van Ostaijen puts away the communication after the attacks like: ‘It is a confused man, you can rest easy.’

In Dutch magazine De Psycholoog, Anne-Laura van Harmelen talks about the use of the term resilience and argues that resilience is concept that needs further explanation.

On the occasion of the launch of the Council of Europe’s new children’s rights strategy 2016-2021, the Republic of Bulgaria hosted a high-level conference in Sofia on the 5th and 6th of April, 2016.

The nine suspects from Hilversum accused of beating Carlo Heuvelman so badly on the night of 14 July last year that he later died will hear their sentences on Friday. The Public Prosecution Service (OM) had demanded that one of the suspects be sentenced to 10 years in prison, and two others eight ye…

The outreach and engagement platform BrainTrain consists of five enthusiastic students of the masters programme Forensic Family Science. As part of their project, the students visit high-schools to teach adolescents about the brain, make them experience that their own reality is not always the only…

Constant Hijzen, assistant professor at the Institute of Security and Global Affairs (ISGA), spoke about the Law on intelligence and security services in the NRC. In the column ‘Twistgesprek’ (dispute) of the NRC Hijzen has a written conversation with the director of Bits for Freedom, Hans de Zwart,…

Researchers on terrorism Bart Schuurman and Liesbeth van der Heide (Institute of Security and Global Affairs) studied the files of 159 persons convicted of terrorism in the Netherlands during 2012-2017. Their main question: how effective is the special reintegration project for this type of delinquents…

Een demonstratie in de Utrechtse gemeenteraad zorgde onlangs voor veel opschudding en leidde tot een aangifte. Volgens Rowie Stolk, universitair docent Staats- en bestuursrecht, ‘is het juist de bedoeling van zo’n demonstratie dat het ophef veroorzaakt en een beetje wringt’. Dit leidt er vaak toe dat…

Facebook and Google are being pressured more and more to prevent terrorists from accessing and using their platform. Right now, they are developing software that uses artificial intelligence to remove unwanted content. Researchers from Leiden University explain for the NOS how this works, and whether…

Dirk Huyge (Director) & Wouter Claes (Vice-Director)

Is it possible to measure subtle oscillations caused by dark matter moving through the earth? A Dutch-American physicist team have discovered a new route toward what could be the first-ever measurement of ultralight dark matter. They suspended a microscopic magnet inside a superconducting enclosure,…

In 2022, Leiden will be the European City of Science. University lecturer Jaap de Jong has created special assignments for the journalism master's students to celebrate this: they will go into the city to visualise knowledge from the city.

Evaluations of a most challenging year to both staff and students in terms of teaching and education support have turned out remarkably well. Although we had to switch to online education almost overnight, we pulled it off!

Terrorism, crisis, violence, intelligence, diplomacy, war and peace are topics that are broadly covered in ISGA's research activities. Regularly, ISGA researchers appear in international media to discuss their research expertise. This item offers an overview of non-Dutch and non-English articles and…

The United Nations (UN) made history in October 2000 when Resolution 1325 on Women, Peace, and Security (WPS) was unanimously adopted.

Alumnus Stan van Haasteren went to Northern Ireland in 1995 as a freelance journalist with a guitar strapped to his back and recently wrote a book about his experiences in Belfast. ‘The big difference with then is that today there is no more violence. But it's still a divided city.’

A research team from the Institute of Security and Global Affairs (ISGA) has received over 3 million euros in funding from the Knowledge Centre Surveillance and Protection, a partnership between the Dutch National Coordinator for Counterterrorism and Security, the Public Prosecution Office, the police,…

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…

Revelations about unacceptable behaviour and sexual misconduct in the TV and sporting world have rekindled the public debate about a safe environment. At Leiden University we are coming together to prevent unacceptable behaviour and provide proper care and support for victims. According to President…

On 16 September, Valentina Carraro presented her work 'The Effects of Covid-19 on Violence' at the Conference of the Italian Political Science Association (SISP) in Genoa, Italy.

After every attack, terrorism researchers are often asked the same question: who did it? Jeanine de Roy van Zuijdewijn, a researcher at Leiden University, doesn’t always have a ready-made answer.

On June 30, eLaw - Center for Law and Digital Technologies of Leiden University organised the annual Hans Franken Lecture. This year the lecture was delivered by Jan Kleijssen, former Human Rights Director at the Council of Europe.

On 23 February, Daniel Somart and Karolina Wróbel, students of the BASS took part in the 2023 SAGANET Awards, a competition in which participants can show a serious game they developed.

On 30 June, the Center for Law and Digital Technologies of Leiden University (eLaw) will hold the annual Hans Franken Lecture. This year, the lecture will be held by Jan Kleijssen, the recently retired human rights director at the Council of Europe. The title of the lecture is: 'AI and Human Rights'…

Marieke Liem, Associate Professor at the Institute of Security and Global Affairs and crime reporter Gerlof Leistra made an analysis of the Murder List 2019. They discussed their findings on Dutch NPO Radio 1 and in an article for Dutch news magazine 'Elsevier Weekblad'.

Jeanine de Roy van Zuijdewijn, PhD candidate at ISGA, explained the dilemma countries face in the aftermath of terror attacks.

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.

On 2 and 3 October 2017, a delegation of the Child Law Department has participated in the 15th European regional conference of the International Society for the Prevention of Child Abuse and Neglect in The Hague.

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

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

Jasmina Mačkić, assistant professor at the Europa Institute, delivered a lecture about topics related to discrimination during the Equal Rights Conference ‘Show Your True Colours’ in Leiden. The conference was organised by AEGEE-Leiden from the 24th up to an including the 27th of May 2018.

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.

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.

It was already known that social anxiety disorder often affects more than one person in the same family. But research by PhD student Janna Marie Bas-Hoogendam has now shown that there are genetic brain characteristics that are associated with social anxiety. The PhD ceremony will take place on 14 Ja…

The habitats of freshwater fish species are threatened by global warming, mainly due to rising water temperatures. This is the conclusion of a study led by Radboud University, in collaboration with Utrecht University, PBL Netherlands Environmental Assessment Agency, Leiden University and others. The…

It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.

Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, appeared as guest on VICE to discuss the usefulness of recent ban on QAnon.

Corinne Dettmeijer-Vermeulen, the well-known legal expert and Leiden University alumna, was for many years the National Rapporteur on Trafficking in Human Beings and Sexual Violence against Children. On 26 November she will deliver the Cleveringa lecture.

University lecturer Mojan Samadi has won not only a Meijers Prize, but also the Van Wersch Springplank Prize for her outstanding contribution to science. Samadi examined the concept of femicide in a criminal justice context and highlighted the importance of a feminist perspective in gender-based mur…

Today’s world faces large-scale climate change and other environmental disruptions. Meeting these challenges involves major adjustments to economy and society, with substantial potential for conflict and violence. This dialogue assembled leading authorities on the relationship between climate and peace,…

Marie Robin, Assistant Professor at the Institute of Security and Global Affairs, discusses in Le 1 Hebdo, Radio France and RFI how revenge, often condemned as destructive, can also reveal what societies consider just and shape pathways toward peace.

The 4G network will soon be replaced by 5G. 5G will enable users to set up faster and more reliable data links as well as better privacy protections. For intelligence agencies, however, the upgrade in data protections will create huge problems.

A bloody civil war has raged for years in the Central African Republic. PhD candidate Crépin Mouguia points out a tragic pattern: young people have been recruited as fighters or soldiers for generations and thus fuel the conflicts.

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.

After twenty weeks of hard work, third-year students of International Studies wrapped up the ‘Practising International Studies’ (PRINS) consultancy course by pitching their major research findings and advice to organisational partners. We were invited to attend the presentations on behalf of the International…

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…

The design process of new buildings is extremely complex due to strict requirements. Computer models are used to create the designs. Scientists from LIACS developed advanced algorithms that help their colleagues at Eindhoven University of Technology to optimise these models.