This research project explores themes related to the system of close protection and surveillance (Dutch: bewaken en beveiligen) in the Netherlands.

C-SIDe project involves a broad selection of associates in solving cybersecurity problems. Security of software systems has emerged as a critical need in our interconnected society. Companies developing software products look for Security-by-Design approaches accommodating security into their software…

Criminal justice raises intricate moral questions concerning the justification of the penal institution, the mode and extent of criminal sanctions enforcement, the content of criminal sanctions (imprisonment, fines, alternative punishments), the nature of the agent holding penal authority, the normative…

Cyber agent technology and intelligence agencies is a project that is commissioned by Tracks Inspector, a Dutch company that develops innovative software.

The research group Cyber Security Governance will provide cutting-edge academic research in the domain of cyber, where modern technology interacts with traditional concepts such as governance, sovereignty, law-enforcement, international relations and conflict.

The research group Intelligence and Security has been augmented with a team Policing Studies as part of the collaboration agreement with the Dutch National Police. This team is tasked with creating a more academic foundation for the current knowledge surrounding policing studies in the Netherlands,…

An exploratory study on the role of family members of those who joined jihadist groups

What opportunities and threats flow from the existence of institutional and normative diversity in the area of fundamental rights for the effective protection of those rights in a pluralist world?

Our main goal is to improve understanding of how intelligence and security services operate, how they are embedded in broader political, bureaucratic, and societal contexts, and how their methodologies can be complemented.

When does radicalization not lead to terrorist attacks?

Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

e-SIDES (ethical and societal impact of data sciences) is a Coordination & Support Action (CSA) part of the Horizon 2020 programme.

GLOBALINT is a pioneering study of intelligence in the Global South. It asks ‘how do (un)democratic shifts in political governance impact intelligence services in contexts of violent conflict?

This project maps the policy of ‘Paz Total’ (Total Peace) and ongoing peace negotiations between non-state armed groups and the government of Colombia under the presidency of Gustavo Petro (2022-2026).

A growing amount of literature is being devoted to interrogating gendered dynamics in both violent extremism and terrorism, contributing to the integration of international and feminist security. This includes how such dynamics can shape differences in the motivations and participation of women and…

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

How to minimalize the chance of recidivism for extremist prisoners.

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

Who are open-source intelligence activists and how reliable are their contributions to public understanding of Russia’s war in Ukraine?

In what ways do matters of cybersecurity affect the relationship between governments and citizens, have a bearing on (fundamental) rights and civil liberties, and alter the role and responsibilities of governments?

This edited volume explores how artificial intelligence (AI) is transforming international conflict in cyberspace.

How do humanitarian organisations adapt cyber incidents to their specific priorities and needs, and how can they adapt strategies of other organisations?

The research group War, Peace and Justice brings together scholars, researchers as well as current and former practitioners to explore issues related to the drivers, nature and (new) dynamics of war and conflict, comprehensive approaches to the promotion of sustainable peace, and the role of justice…

The WARN project seeks to understand why certain warnings fail to reach and impact decision makers in time to avert crisis.

The Research Group 'Violence and Violence Prevention' studies interpersonal violence. We seek to better understand the dynamics underlying interpersonal conflict.

Hoogleraar Radicalisation Studies Tahir Abbas wil mensen er bewust van maken dat radicalisering voortkomt uit hoe wij als mensen samenleven

The research group on governance of crises studies phenomena, dynamics and actors related to crisis governance. The Leiden University Crisis Research Center (CRC) is part of this Research Group.

On 8 March 2023 Helen Duffy, Professor of International Human Rights and Humanitarian Law in Leiden, published a monograph on Global Trends in Counter-terrorism and the Implications for Human Rights in Africa.

Information obtained from Czech intelligence authorities has shown that politicians from several European countries, including the Netherlands, are involved in a Russian bribery scandal. Wim Voermans, Professor of Constitutional Law, comments on this in Dutch newspaper ‘NRC’.

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

Academic research on terrorism is getting better all the time. This is the conclusion of university lecturer Bart Schuurman after studying 3,442 articles. He published his study in Terrorism and Political Violence.

How do people become involved in terrorist organisations? Liesbeth van der Heide sought the answer to this question in a Malian prison, where she interviewed terrorists in a tiny cell. She discovered that the will to survive and social context are often more decisive than individual ideological convictions.…

September 2017 will see the start of the new English-language bachelor's programme in Security Studies in The Hague, developed by the Institute of Security and Global Affairs (ISGA) at Leiden University. The programme meets the growing need for academics with a broad training in the field of securit…