This paper written by Vydra and Kantorowicz answers the research question ‘What policy-relevant information does Twitter contain?’ as well as the research question ‘How does this information change between a period of normalcy and a period of crisis?’

How can we guarantee the safety of the crown witness scheme for both crown witnesses and lawyers? How can we ensure that online conversations between lawyers and their clients remain confidential? And what are the risks of extra secure communication tools?

The Hague Program for Cyber Norms, a research program at the Institute of Security and Global Affairs, published its second policy brief, in which Dennis Broeders, Liisi Adamson and Rogier Creemers explore aspects of the relationship between China and Russia in cyberspace.

Using the principles of Industrial Ecology in Environmental Policy making in two cases: transition to a hydrogen economy and chlorinated compounds.

Policy Note Insecurity in Burkina Faso – beyond conflict minerals: The complex links between artisanal gold mining and violence

To address the relevance of Christianity to the ideological negotiations with the officially established authority, this research will be conducted by asking how the history enthusiasts negotiate the Christianity-related ideology through reconstructing the Christian past and reproducing religious histories…

This study aims to examine how South Korea (hereafter, Korea) and Japan, two neighboring countries in Northeast Asia, have been responding to and mitigating the spread of COVID-19.

Study information

Dr. Els de Busser, assistant professor and researcher at the Institute of Security and Global Affairs, as principal investigator of a consortia, has been awarded 1.45 million euros for a project called C-SIDe.

In this Ph.D. thesis, we characterized two novel upstream regulators of JUB1, HB40, and HB22, in Arabidopsis thaliana. In Chapter 2, we described functions of HB40 in modulating growth and development via the regulation of JUB1 and GA inactivation genes GA2OXs.

Four years ago, the Institute of Security and Global Affairs (ISGA) first started with an executive master’s programme called Cyber Security. The programme proved to be a huge success and has continued to develop. This academic year, Els de Busser was appointed as Educational Director and Chantal de…

What drives the restrictiveness of immigration reforms? Political scientists Katharina Natter (Leiden University), Mathias Czaika (Danube University Krems) and Hein de Haas (University of Amsterdam) analysed immigration reforms in 21 Western immigration countries between 1970 and 2012. They found that…

This article 'Shaping the European External Action Service and its post-Lisbon crisis management structures: an assessment of the EU High Representatives’ political leadership' assesses the role, influence and core aspects of the EU High Representatives’ (HR/VPs) “political leadership” in the context…

The Institute of Security and Global Affairs (ISGA) has launched its first own scientific journal. The Journal of Security and Global Affairs (SGA) will focus on a wide array of security topics and issues, providing a platform for the analysis of key issues within security and global affairs. The first…

This accessible textbook uses key documents embedded in a clear narrative to chart the post-Cold War rise and decline of transatlantic relations. It provides a novel interpretive framework by proposing that the three decades between 1989 and 2020 represent a distinct ‘transatlantic era’.

Dr. Gruni published an article on the impact on sustainable development in the EU Common Commercial Policy of recent Opinion 2/15 CJEU on the Global Trade and Customs Journal.

The main aim of the project is to collect and update on a regular basis bibliometric and patent indicators that can be used to underpin and inform analyses pursued at the European Commission (EC) to assess European and national scientific and technological performance.

Nikoleta Yordanova, a political scientist at Leiden University, will lead an international research consortium funded by the European NORFACE Network to complete a multi-disciplinary project ‘Willingness and Capacity for EU Policy Action in Turbulent Times: Conflicts, Positions and Outcomes’ (EUINACTION).…

In Dutch daily Trouw, assistent professor Cyber Security Governance, Els de Busser writes about the importance of good digital safety at companies. Dutch telephone and internet provider KPN is lacking in this respect. ' In Trouw schrijft Els de Busser, universitair docent Cyber Security Governance…

In tracing the deeper historical roots of what Xi Jinping contemporarily frames as a “Chinese dream” of “wealth and power,” the article discerns key actors, events, and organizing principles in a long process toward restoring China’s deemed rightful place in the regional system.

Our world is constantly changing. Developments in the field of technology, data and society determine how we tackle security. This demands a new vision on security.

The modern-day Caribbean is a stunningly diverse but also intricately interconnected geo-cultural region, resulting partly from the islands’ shared colonial histories and an increasingly globalizing economy.