The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

Do you have a question about studying at leiden University or student life in Leiden or in The Hague? Do you want more information about the Crisis and Security Management programme? Chat with a current student for answers to your questions!

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

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

Do you have a question about studying at leiden University or student life in The Hague? Do you want more information about the Crisis and Security Management programme? Chat with a current student for answers to your questions!

Inaugural lecture

It is widely known that conflict parties engage in ceasefires for a variety of reasons, but how do these reasons relate to the military and political aspirations of conflict party leaders?

The history of the LGTBI+ collective, deeply marked by episodes of violence, repression, and discrimination, is also the history of the struggle for social change and the conquest of civil rights, advances without which contemporary Western democracies could not be explained. More recently, the implementation…

The Hague Journal of Diplomacy is hosted by the Institute of Security and Global Affairs at Leiden University. Besides the journal, there are many other activities related to diplomacy.

This book explains how mass killing is driven by elite politics within authoritarian regimes.

This research sets out to answer the following questions:

These syntheses allow the team to determine the extent to which schools-based interventions are effective at targeting radicalisation-related outcomes.

This project explores innovative strategies to counter online extremist content, focusing on integrating traditional content moderation tactics with targeted online interventions. Through research, workshops, and data-driven experiments, we aim to answer: How and when should traditional content moderation…

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In an increasingly complex and security-challenged society, the CSM programme, Intelligence and National Security, provides you with the theoretical and practical skills to understand the issues underlying security challenges and develop solutions for crisis and security management.

In an increasingly complex and security-challenged society, the CSM programme, Cybersecurity Governance, provides you with the theoretical and practical skills to understand the issues underlying security challenges and develop solutions for crisis and security management.

In this article, Jeanine de Roy van Zuijdewijn and Edwin Bakker provide a big picture reflection on two decades after 9/11 in Western Europe.

In an increasingly complex and security-challenged society, the CSM programme, Governance of crisis, provides you with the theoretical and practical skills to understand the issues underlying security challenges and develop solutions for crisis and security management.

Due to its economic prosperity, its policy of (relative) religious tolerance, and its large numbers of migrants, the Dutch Republic has long had a reputation of being the prime example of ‘tolerance’, especially during the seventeenth century. Although the great variety of newcomers in the Dutch Republic…

Find out how to apply for Crisis and Security Management at Leiden University by following our step-by step guide.

In this book, a new generation of scholars offers fresh perspectives on the history of the Dutch slave trade. Traditionally, Dutch research has focused on business practices, often overlooking the enslaved and the complexities of illegal trade and violence.

In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.

In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.

How do the pathways of Dutch converts to Islam involved in jihadist movements differ from those of Dutch converts who are not, in terms of their life prior to Islam, their conversion experience and the form of involvement with the Islamic community after conversion?

The Visiting Scholar Scheme at the Institute of Security and Global Affairs welcomes applicants from early career to professors to join us for a maximum period of 4 months in The Hague.

It has been argued that the Internet presents numerous new opportunities for crime, including homicide. So far, empirical scholarly research in this domain is rather limited. In order to discover how perpetrators have used the Internet in the homicides they have committed, we conducted an international…

In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.

In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.

In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.

What are the main issues leading to polarisation and division? What is the role of social exclusion in these processes? How can we inform and design better policies to safeguard young people from falling prey to intolerance and polarisation? The DRIVE project, led by Leiden University in The Hague,…

Study information

Study information

The Netherlands is known globally for being a champion of equality. But is it really? On 8 March, International Women's Day, three Leiden experts reflect on this year's national theme: #NietMijnRecht (#NotMyRight)

In this second installment of the Homo Mimeticus series (Leuven UP), international scholars further the field of mimetic studies from perspectives as diverse as philosophy, political theory, literary/media studies, and the neurosciences.

Lecture

Find out how to apply for Crisis and Security Management at Leiden University by following our step-by step guide.

Lecture

Staff members and affiliates of the Leiden University Centre for Digital Humanities are involved with a variety of digital research projects. Some of them are featured below:

This project’s aim is to critically assess current homicide data sources in order to develop a proposal for long-term EU-level monitoring of DRH.

Polarisation in our society is on the rise. What makes people increasingly radical? How do we protect ourselves from extremist, terrorist or criminal threats, be they physical or in the cyber world? And what role do intelligence services play in this?

Crises arising from terrorism, cyber threats, and natural disasters dominate world news and make Crisis and Security Management a heavily politicized and hotly debated topic at the top of the national and global societal and governance agenda.

Samuel Jong has won the Institute of Political Science MSc Thesis Prize 2016. With ‘Bridging the Gap: Do Ideological Differences Determine Whether Center-Right Parties Cooperate with the Radical Right?’, Jong completed his Political Science master studies. His research findings, according to the jury,…