Overview of databases, reference works and websites for research in Security Studies

Ellen van Reuler is a lecturer at the Institute of Political Science.

Dr. Linde Desmaele is an Assistant Professor of Intelligence and Security at the Institute of Security and Global Affairs (ISGA) at Leiden University. Her work sits at the intersection of international relations and security studies, with a focus on nuclear politics, US alliances and European security.…

I am associate professor at the Leiden Institute of Advanced Computer Science. I work on a variety of cyber security topics, ranging from security risk management and threat modeling to mobile security and secure software development. My main goal is to make organisations more secure by improving their…

Dr. Nikki Ikani is Assistant Professor Intelligence and Security. Her key interests are European Security and processes of warning and anticipation of international crises. Her work connects the fields of International Relations, Public Administration and Intelligence Studies. In 2023, Nikki won a NWO…

Alex Ingrams currently teaches in masters and bachelors courses with the Institute of Public Administration and the Leiden Institute of Advanced Computer Science. These courses focus on digital government, public management and public policy. His research interests centre on role of technology in government…

Giliam de Valk is an Assistant Professor at the Institute of Security and Global Affairs. He is specialized in methodology of intelligence analysis. He wrote his PhD on the Quality of Intelligence Analysis [2005] and is currently focusing on the methodology on how not to miss threats.

Ingrid Tieken-Boon van Ostade is a Professor emeritus of English Sociohistorical Linguistics at the Leiden University Centre for Linguistics.

Tim Wuisman is a Tutor for the Bachelor Programme Security Studies at the Faculty of Governance and Global Affairs - Institute of Security and Global Affairs.

Shivant Jhagroe is an Assistant Professor at the Institute of Public Administration. His current research focusses on marginalised and more-than-human actors in policy and politics (e.g. racialised/low-income groups, ecosystems, algorithms).

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Dr. Zakia Shiraz is Assistant Professor of Intelligence and Security. Her expertise lies in Latin American political history and security, and research connects the fields of Area Studies, International Security, and Intelligence Studies. In 2024, she was awarded a Starter Grant for her research on…

Sophie Vériter is a doctoral researcher at the Institute of Security and Global Affairs (ISGA), Leiden University. Her research focuses on European foreign policy-making with a specific interest in hybrid threats, strategic communication, and the EU’s eastern neighbourhood.

The Executive Board has decided that Leiden University will endorse Open Access.

Tim K Enwerem is a Ph.D. candidate at the Institute of Security and Global Affairs of Leiden University. His Ph.D. research examines how the issues of identity politics precipitate the failure of states to institutionalize and operationalize human security in their domestic policy and implementation…

Tommy van Steen is Associate Professor in the Cybersecurity Governance Group specialising in organisational and behavioural cybersecurity. His research interests include: cybersecurity behaviour of end-users, learning from what goes well, and organisational cybersecurity behaviour.

Bernard Steunenberg conducts research on European politics and policymaking, including the relationship between the Union and its Member States on the transposition and implementation of European policy. In his work, he uses perspectives from game theory, deliberative theory, public choice and analytical…

Koen Caminada (1966) is Professor of Empirical Analysis of Tax and Social Policy at Leiden University, the Netherlands. He is Dean at the Faculty of Governance and Global Affairs.

Jelle van Buuren is an Associate Professor at Leiden University - Institute of Security and Global Affairs. His research interests lie in, among other things, terrorism and counter terrorism, intelligence and security agencies, lone actors, Incels and misogyny, conspiracy theories and political legitimacy,…

Iris Müller has been working as a PhD candidate at the Institute of Criminal Law and Criminology since March 2025.

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Ernst Dijxhoorn is an assistant professor in the Institute of Security and Global Affairs (ISGA). He worked on the project ‘SNT Really Makes Reality: Technological Innovation, Non-Obvious Warfare and the Challenges to International Law’, funded by Economic and Social Research Council UK (ESRC) and the…

Marieke Liem is professor of Security and Interventions at Leiden University, where she and her team coordinate the European Homicide Monitor. A graduate of University of Cambridge in the U.K., Marieke Liem completed her PhD in Forensic Psychology from Utrecht University, the Netherlands. Before joining…