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

Understanding the evolving landscape of extremism in the 21st century.

This paper investigates possible convergence of issue salience of terrorism among citizens within the European Union for ten jihadist attacks in the period 2015–2017 using Eurobarometer survey data.

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

The term “Lone Actor” has been applied to a variety of violent individuals who are thought to act out of ideological motivations using terrorist tactics.

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

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…

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

This article provides an in‐depth assessment of lone actor terrorists’ attack planning and preparation.

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 following staff members are currently part of the LIAS PhD Council

In this opinion article published in World Development, the authors present five research and policy priorities. While it is clear that ‘pluriversal’ designs need to guide the way forward (Kothari et al 2019), defining a set of key pillars can provide direction and purpose across this pluriversality.…

One of the current research projects funded by the profile area Political Legitimacy is the research group From Disorder to Order: Conflict and the Resources of Legitimacy.

An analysis of researchers' global mobility reveals that limiting the circulation of scholars will damage the scientific system.

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'.…

Could policies aimed at preventing radicalisation undermine the very trust and social cohesion they aim to strengthen?

Cristina Grasseni, Federico de Musso, Ola Gracjasz, Maria Vasile, Vincent Walstra and Marilena Poulopoulou are part of the 'Food citizens?' Research project.

What does site patterning reveal about the social landscape dynamics across the historical divide?

This section features online articles by or about the team members of the Food Citizens? project.

What is it like to study International Studies in The Hague? Read how Vincent, student of International Studies, spends his day on average.

The Old Observatory in Leiden has reclaimed its most important telescope. Since the 1960s, the Meridian Circle (also known as a transit telescope) had been housed in the Boerhaave Museum. After more than sixty years, the telescope is finally back in its original location. Now, the public can enjoy it…

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.

From The Cognitive Continuum of Electronic Music:

Sophie Vériter explores a small state’s impact on EU security governance, a hard challenge means against big states in this policy area.

The recent terrorist attacks in Europe are presumably not just acts committed by individuals, but acts facilitated by larger jihadist networks. But how do such networks operate? Understanding their modus operandi can be useful knowledge to counter terrorist threats.

In this article for Studies in Conflict & Terrorism, the authors analyse the evolution and interplay of national policies and international diplomacy on cyber terrorism within and across the UNSC’s permanent five members and the UN process on cyber norms (GGE and OEWG).

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,…

Lipsius, Cleveringaplaats 1, 2311 BD, Leiden

How have British, Dutch, and German security services dealt with political violence and terrorism since the late 1960s; to what extent did they consider these new phenomena as a task and how have they developed activities in order to counter these security threats?

Grace Leksana defended her thesis on 26 May 2020.

LUCAS hosts a wide variety of research. Here we outline some of the most important research themes.

How and under what conditions Dutch primary school principals' managerial networking activities affect the performance of their school

LUCDH presents a lunchtime talk once a month on recent research in Digital Humanities and AI. All Leiden University staff and students are welcome to attend. And we hope you can join us in person in the Digital Lab, PJ Veth 1.07.

In his groundbreaking Imagined Communities, first published in 1983, Benedict Anderson argued that members of a community experience a

Tonal bilinguals of two closely related Chinese dialects are amazing people. They handle two tonal systems in their mind; their two vocabularies are from closely related dialects, and they write translation equivalents with common Chinese characters. Their unique language situation makes their mind…

In a modernist interpretation of migration controls, nation states play a major role. This book challenges this interpretation by showing that comprehensive migration checks and permanent border controls appeared much earlier, in early modern dynastic states and empires, and predated nation states by…

Once a month, the Europa Institute comes together to hear from its own staff members, guest researchers, or external scholars about their research plans, work in progress papers, or recently concluded projects relevant to European law. The Food for Thought-series is organised by Melanie Fink.

This is a facility where research groups or small companies can apply for space if they need to culture human or animal cells.

The team of WIIS-Netherlands exists out of the board members and the advisory council.

NETHATE is a Marie Skłodowska-Curie Actions (MSCA) project seeking to investigate the roots, societal impact and mitigation strategies of hate in offline and online foras.

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…

References to nature and the environment in the Caribbean literary and the contemporary age of globalization.

Since the Middle Passage is in the North Atlantic, and the North Atlantic has a relationship with the arctic, what relationship does the Arctic have with the Middle Passage? How can this relationship be used to provide a space of healing by uncovering Afro/diasporic counter narratives?

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.