This minor is in Dutch.

Are you thinking about studying Encyclopedie en filosofie van het recht? Learn more and watch the videos. Please note that this programme is taught in Dutch.

Encyclopedie en Filosofie van het Recht is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University. This unique programme considers the philosophical issues and concepts upon which law is founded, in the broadest sense.

On 18 september 2018, Claudia Bouteligier defended her doctoral thesis 'Dialoog in recht en literatuur. The doctoral research was supervised by Prof. mr. dr. A. Ellian.

Terrorism has been one of the most important threats to peace, security and stability in many parts of the world. But what does this mean? What is the nature of this threat? What can be done about it and how can we at least limit the impact of terrorism?

Recently, Europe was again shaken by some attacks. This ‘Elementair Deeltje’ places terrorism in a historical perspective and gives an up-to-date overview of this form of political violence.

Refugees’ effect on domestic terrorism is conditioned by host-country social perception (attitude about living next-door to foreigners) and economic competition. These hypotheses are tested cross-nationally from 1995-2014 leveraging data from the World Values Survey.

This programme video is presented in Dutch

This programme video is presented in Dutch

During the 1980s and early 2000s, authors like Alex Schmid and Andrew Silke demonstrated the paucity of first-hand insights being used to study terrorism and the consequences this had for the reliability of the findings beings presented. But to what extent have these issues endured?

This project aims to improve understanding of, and responses to, the phenomenon of lone actors through analysis of comprehensive data on cases from across Europe.

Are you thinking about studying Financieel Recht? Learn more and watch the videos. Please note that this programme is taught in Dutch

Are you thinking about studying Fiscaal Recht? Learn more and watch the videos. Please note that this programme is taught in Dutch.

Are you thinking about studying Notarieel recht? Learn more and watch the videos. Please note that this programme is taught in Dutch.

As terrorism scholars, we are intrigued by those who engage in violence. We study their motivations, tactics, ideology, organisational structures, and pathways to (de-)mobilisation, hoping to better understand terrorism and how we can counter it. Far less attention is paid to what happens after an attack…

It is in the interest of all democracies for young people to learn the value of free debate, even on sensitive and potentially divisive issues like terrorism, argue Thorbjørn Jagland (secretary general of the Council of Europe), Sayeeda Warsi (UK parliamentarian), and Francesco Ragazzi (Institute of…

Terrorism only poses a small risk to people but tends to be a major source of public fear. Through fear, terrorism has far-reaching implications for public governance.

This book contextualizes the use of terror as part of wider movements of political contention, demonstrating that terroristic innovation occurs as part of wider historical processes rather than in a vacuum.

This article researches the public perception of terrorist attacks by measuring the importance the public assigns to attributes of terrorist attacks.

Few events have influenced our global order as intensely as the events of September 11, 2001.

This reflection for Critical Studies on Terrorism, explores two decades of the 'War of Terror' and what it means today.

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

In December 2014, Leiden University’s Institute of Security and Global Affairs with the Australian National University’s Asia-Pacific College of Diplomacy and the International Centre for Counter-Terrorism, commenced a research project to assess how (temporary) military interventions can best prepare…

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

This six-weeks online course delves into the research behind terrorism as it unpacks the assumptions and impacts of both terrorism and counterterrorism.

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).

A cautious response to a crisis or terrorist act avoids the creation of a culture of fear. This is another way to reduce our vulnerability to terrorism.

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.

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…

Are you thinking about studying Crisis and Security Management: Terrorism and Political Violence ? Learn more and watch the videos.

Terrorist attacks are not an end in themselves, but a means of creating unrest and fear. Terrorism policies and research should focus more on managing fear and social unrest.

When does radicalization not lead to terrorist attacks?

This article written by Marieke Liem & Alexander Kamprad investigates the relationship between terrorism and interpersonal violence. They conducted cross-national analyses on the effects of terrorism mortality rates on homicide rates. Results showed that terrorism appears to be robustly and positively…

The Terrorism and Political Violence research group at Leiden University examines the causes of radicalisation, the tactics of extremist groups, and the effectiveness of counter-terrorism policies. We also explore the role of the media and the influence of postcolonial legacies in the Global South,…

On 10 June 2020, Gitta Veldt defended her thesis 'Europese productnormen en privaatrechtelijke normstelling'. The doctoral research was supervised by Prof. H.J. Snijders.

You can find more information on the Dutch webpage. Click on the “Nederlands” button above.

This research paper was requested by the European Parliament's Committee on Civil Liberties, Justice and Home Affairs. It was published by the International Centre for Counter-Terrorism (ICCT) in The Hague. Leiden University is one of the participating institutes in this publication and our researcher…

The authors detail the transnationality of terrorist organisations, including fundraising, communications, alliance-forming, movement and target selection.

In what way did Hellenistic legal institutions concerning secured credit influence Roman law?

On 15 June 2023, the book presentation for the ‘Panta Rhei: recht en duurzaamheid’ (Panta Rhei: law and sustainability) was held at the Oude Sterrenwacht in Leiden. The book provides an overview of research in the field of sustainability conducted at Leiden Law School and was compiled by Yvonne Erkens,…

This programme video is presented in Dutch

Voor zowel archeologen, paleontologen en geologen als vrijwilligers in de archeologie en paleontologie is het geen verrassing meer dat op de stranden van de Nederlandse kust fraaie vondsten gedaan kunnen worden. Vele artikelen, boeken, tentoonstellingen, congressen, lezingen, ‘zoekdagen’, krantenberichten,…

In the Surveillance and Security Threat Monitor 2022-2023, the research project thematically examined threat developments.

This book presents an understanding of the concept of Countering Violent Extremism from a critical terrorism studies perspective using case studies from different countries while examining the issues it raises.

These three repors are part of a research project that assesses how military interventions can best prepare the ground for an effective long-term counter-terrorism policy. Three different cases have been studied, and they have each provided the input for the policy relevant recommendations that are…

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?

Denk je erover om Journalistiek en Nieuwe Media te studeren? Leer meer over deze master en bekijk onderstaande introductievideo.

Many stimulating philosophical analyses have been written on contemporary technology; this book examines on the contrary how changes in contemporary technological environment have been reflected onto philosophy itself. The book shows how technological changes have marked a number of key concepts of…