From 16 to 23 October 2025, the Faculty of Governance and Global Affairs (FGGA) will host the second edition of Cyber Week. Following last year’s success, we will once again shine a daily spotlight on our teaching and research in the field of cybersecurity through LinkedIn and Instagram. Today’s societal…

From 16 to 23 October 2025, the Faculty of Governance and Global Affairs (FGGA) will host the second edition of Cyber Week. Following last year’s success, we will once again shine a daily spotlight on our teaching and research in the field of cybersecurity through LinkedIn and Instagram. Today’s societal…

Book talk

On 14 May 2020, Pieter Rustenburg defended his thesis 'Een algemene normtheorie toegepast op open normen in het belastingrecht'. The doctoral research was supervised by Prof. A.O. Lubbers and Prof. J.L.M. Gribnau.

Healthcare robots and AI is a project that investigates the legal and regulatory aspects of healthcare robot and Artificial Intelligence (AI) technologies

The authors systematically search and review relevant definitions of Security by Design (SbD) in comparison with Privacy by Design (PbD).

Leiden Embedded & Real-time Computing (LERC) is an expert lab and leader in advanced research on embedded and real-time systems and software. The main mission of LERC is by its research to contribute in a highly innovative way to the system-level design of embedded and cyber-physical systems and software…

Facebook is under attack due to the scandal with Cambridge Analytica: Data of tens of millions of users have been leaked. Does this mean the end of Facebook? ‘The storm will pass,’ says security expert Erik van der Kouwe. He provides tips on how to keep Facebook from following your every move.

Promotores: E. van Dijk, G.R. de Snoo. Co-promotor: H. Staats

How do young adults find their way in an increasingly complex society? In Leiden, as part of the GUTS project, we study how brain development and self-regulation play a role in this process.

The combination of academic and professional skills taught in the CSM prepares you for a wide variety of careers in the rapidly expanding domain of security and crisis management, including public or private sector and policy-making positions.

Symposium

The Covid-19 'infodemic' and conflict resolution by internet platforms.

Study information

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

Rutger Leukfeldt, special chair of Governing Cybercrime, and colleagues investigate the link between Protection Motivation Theory (PMT) factors and self-protective online behavior.

Education for professionals. Leiden University offers a wide range of courses to boost your career, learn new skills, or broaden your knowledge.

Recently, Facebook and Cambridge Analytica have become highly polarizing figures in a data privacy scandal of global (and potentially historic) proportions. What does the Facebook and Cambridge Analytica controversy tell us about data privacy and cybersecurity in the age of Big Data?

Security and safety challenges rank among the most pressing issues of modern times. Challenges such as cyber-crime, terrorism, and environmental disasters impact the lives of millions across the globe. The course will introduce you to this broad theme in an increasingly complex world.

Risk has become one of the defining features of modern society. This course examines various types of safety and security risks, and how these are perceived and dealt with in a wide array of professional and academic fields, ranging from criminology, counter-terrorism and cyber security, to philosophy,…

From sleep problems to suicide attempts: the consequences of bullying can be very serious. The National Day against Bullying (in the Netherlands 19 April) is the opportunity for Leiden psychologist Mitch van Geel to share some recent insights from his research.

At Campus The Hague, the University works closely with diverse parties and institutions in the city.

Bij de Universiteit Leiden zet onze Onderzoeksgroep violence and violence prevention zich in voor het bevorderen van kennis en begrip op het gebied van geweld en geweldpreventie door middel van interdisciplinaire wetenschappen en innovatieve methodologieën. Onze faculteitsleden zijn toonaangevende…

The Hans Franken Lecture honors the legacy of Prof. Dr. Mr. Hans Franken, a founding figure of eLaw in 1985.

This one-year, English-taught Master's programme offers insights on general developments as well as the specific challenges in the field of the governance of crisis and security, with in-depth knowledge of sub-fields of crisis and security management.

This project investigates the capacities of EU institutions to coordinate the responses of member states to critical events.

Emotions play a key role in EU politics. This article examines how emotions influence the EU’s response to international crises and norm violations.

What is the experiental content of desire for vengeance and how does it contribute to actual revenge?

Lecture

The Executive Board has decided to appoint Dr. Bibi van den Berg as Professor of Cybersecurity Governance within the Institute of Security and Global Affairs, starting on 1 September 2017.

Promotor: P.M. Brakefield

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?

This thesis explores Breaking of Ensemble Equivalence (BEE) in random graph models by examining the spectral properties of adjacency matrices. The goal is to identify spectral characteristics that differentiate random graph ensembles, enhancing the understanding of complex network structures and beh…

Finding solutions for economically and socially relevant problems in digital data security. That is what Nele Mentens, Professor of Applied Cryptography & Data Security at the Leiden Institute of Advanced Computer Science (LIACS), wants to achieve. On 1 June she was appointed to contribute to the institute…

Why, then, do governments choose to disclose intelligence and what factors shape how they do so?

How can a society protect itself from cyber threats? Sixty talented young researchers and professionals are learning more about this at the International Cyber Security Summer School in The Hague.

On 7 September, Francesc Claret Traid defended the thesis 'On the nature of the right to resist: a rights-based theory of the ius resistendi in liberal democracies'. The doctoral research was supervised by Afshin Ellian and Gelijn Molier.

This paper written by Alexandre Afonso, Assistant Professor and Researcher at Leiden University, argues that gender norms and the political strength of the left were important structuring factors regarding why European countries choose migrant labour to expand their labour force in the decades that…

Lecture

On Thursday, 11 May 2017, Nobuo Hayashi defended his PhD dissertation entitled “Military Necessity”. A brief summary provided below.

Online platforms such as YouTube, Facebook, and X (formerly Twitter) have become part and parcel of everyday media use. Journalists incorporate posts from politicians into newspaper reports, scientists share their insights in short posts or videos, and the judiciary uses social media to explain their…

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