Dr. Tommy van Steen, Universitair Docent in Cyber Security Governance bij het Institute of Security and Global Affairs, werd geïnterviewd door mediaplanet over internetcriminaliteit en hoe wij deze dagelijks kunnen tegenkomen via onze computers en telefoons.

Children could do better at school if they exercise during their maths, English and science lessons, a study has suggested. Researchers reviewed 42 studies that looked at the benefits of physical activity in the classroom for youngsters.

This volume discusses practices of memory in early modern Europe.

The Revolt in The Netherlands erupted in 1566 and tore apart the Low Countries. In Memory Wars in the Low Countries, 1566-1700 Jasper van der Steen explains how public memories of the Revolt in the Habsburg Netherlands in the South and the Dutch Republic in the North diverged and became the objects…

Slavoj Žižek is one of the most prominent public intellectuals of the left. His central claim holds that “today, it is more crucial than ever to continue to question the very foundations of capitalism as a global system”.

This article presents a five-step framework for building behavioural cybersecurity strategy to reduce human-related risks affecting organisational security

The Liverpool care pathway for the dying patient (LCP) is a multidisciplinary tool developed for the dying phase for use in palliative care settings. The literature reports divergent experiences with its application in a nursing home setting related to its implementation and staff competencies. The…

This volume sheds light on the role played by progeny in maintaining dynasties in early modern royal courts as well as the horizontal and vertical interplay between the actors. It attempts to break through the narrative of older research that saw dynasties as a series of male rulers. Instead, these…

Astronomer and Marxist Anton Pannekoek was a remarkable figure. This book aims to study the connections between his life as a socialist theorist and as a pioneering scientist through the prism of Pannekoek's biography.

The idea of citizens and public professionals collaborating to provide public services has widely spread in several countries around the globe. Co-production is often presented as the go-to solution for challenges like a legitimacy crisis of both the government and the market, and financial concerns.…

The Cyber Security lecturers are scholars and lecturers of Leiden University, Delft University of Technology and The Hague University of Applied Sciences.

This project sets out to map, document and analyze instances of squatting in Leiden from 1970 to 1990, in order to set up an online Digital Archive of Squatting in Leiden. This archive will function as an online resource for academic research, as well as a starting point for public activities such as…

This article provides a list of the concepts and key elements that should be considered when creating effective communication messages.

Julia Prümmer, Tommy van Steen & Bibi van den Berg evaluate the effectiveness of cybersecurity training programs for end-users.

This article presents a systematic review aiming to provide a comprehensive overview of cybersecurity training methods and assess their effectiveness.

Together with Knud Andresen, Bart van der Steen recently published a volume titled A European Youth Revolt. European Perspectives on Youth Protest and Social Movements in the 1980s.

Squatters and autonomous movements have been in the forefront of radical politics in Europe for nearly a half-century—from struggles against urban renewal and gentrification, to large-scale peace and environmental campaigns, to spearheading the antiausterity protests sweeping the continent.

In this article, Yannick Veilleux-Lepage and Tommy van Steen, assistant professors at the Institute of Security and Global Affairs, discuss the degree of consensus within the field of terrorism studies regarding the impact of the COVID-19 pandemic on the activities of violent non-state actors.

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

Cyber-attacks, privacy-related problems or failures in functioning: many technologies that are used every day have security issues that are solved when the software is already in use. An interdisciplinary project, in which Olga Gadyatskaya, Harry Wijshoff, Alex Uta and Kristian Rietveld from the Leiden…

In 2021, the National Cyber Security Centre (NCSC) asked Leiden University to conduct a rapid review of best practices and possibilities for follow-up research on the integration of behavioral sciences in security by design methodologies and projects. This academic field is called security by behavioral…

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

Get to know us through our online and in-person events for prospective students!

Speeches and speech acts have been crucial in settling the question at the centre of every political debate: who gets what, when and where?

To safeguard the quality of research within Leiden University, a committee of external experts evaluates the University’s institutes once every six years according to the Standard Evaluation Protocol which is drawn up by the Association of Universities in the Netherlands (VSNU), The Royal Netherlands…

The research group New Rural History (in Dutch: de Nieuwe PLAG) aims to stimulate the study of rural history in the Netherlands, particularly its political and cultural dimensions. It will develop a handbook to support researchers who want to work on Dutch rural history and will foster new research…

With a full auditorium at the university's Wijnhaven campus, an extensive programme, inspiring speakers and visitors from a wide range of disciplines, all the ingredients were in place for a successful second edition of the Nacht van de Digitale Veiligheid of Digital Security on 26 May 2026.

Maak kennis met digitale veiligheid in de podcast over de BSc Cybersecurity & Cybercrime. Experts bespreken actuele thema’s zoals ransomware en online fraude.

Sonorous phenomena are always on the verge of becoming something else. As it unfolds, sound constitutes spaces, mediates presence, articulates time. Furthermore, it may prompt emotions, generate awareness, organise patterns of behaviour or trigger a sense of belonging. As sound becomes audible, it is…

PhD candidate Agnes van Steen researched the history of the Leiden women’s rights movement (1860-1990) and found that the university produced many feminists.

On 4 March, KPN published the seventh edition of the European Cyber Security Perspectives. Els De Busser and Tommy van Steen, both Assistant Professors at the Institute of Security and Global Affairs, have contributed an article on interdisciplinarity.

ISGA researchers have received €1 million for research aimed at enhancing the Netherlands' digital resilience. The funding comes primarily from NWO, but private parties are also contributing financially. In total, €10.5 million is being allocated to launch six projects.

The housing crisis is affecting a substantial group of Dutch citizens and is one of the main election themes this year. How did things get this far and what should the new cabinet do in the coming four years to address the problems? Three Leiden researchers give their answer.

For one year, seven young anthropologists were appointed as Stadsfotograaf Leiden. They published on a weekly basis photo-series on daily life in and around Leiden in the local newspaper. A selection of these photographs is currently on display in a pop-up exhibition! Come by on 28-29 September at Papengracht…

Did you know that research and education in the field of digital innovation are key pillars of the Faculty of Governance and Global Affairs? Over the next seven days, we are organising Cyberweek on our social media channels to showcase what we have to offer.

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?

Leiden is a lively university city that’s brimming with history and boasts a student culture that’s tangible just about everywhere. Read on to discover what Leiden has to offer and get a foretaste of what you can expect.

Did you know that research and education in the field of digital innovation are key pillars of the Faculty of Governance and Global Affairs? Over the next seven days, we are organising Cyberweek on our social media channels to showcase what we have to offer.

Leiden is a lively university city that’s brimming with history and boasts a student culture that’s tangible just about everywhere. Read on to discover what Leiden has to offer and get a foretaste of what you can expect.