OpenML empowers scientists to conduct transparent, reproducible, and collaborative AI-driven research.

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…

To check whether the classroom scanners are secure, a ‘pen test’ was performed in the Lipsius building on Monday 28 March. This involved switching on the person counters for a day so that ethical hackers could try to gain access to the system.

The Leiden University’s Program for Cyber Norms, a research platform to investigate the development and implementation of law and policy applicable to uses of ICTs, in cooperation with the think-tank ICT4Peace conducted a global open consultation on how to implement the UN Group of Governmental Experts’…

Study information

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?

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

Article by Dennis Broeders in the Journal of Cyber Policy on the (im)possibilities of addressing election interference and the public core of the internet in the UN GGE and OEWG.

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

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

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

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.

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,…

Leiden University's Academy Building (Rapenburg 73) will be less accessible for traffic and pedestrians on 28, 29 and 30 March because of filming by the BBC along the Rapenburg. Filming will only take place in public areas, not in the University buildings themselves. Some roads may be closed off to…

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.

On an apparently normal cube a pattern of hollows and bulges appears when the cube is compressed. A method has been developed to design such three-dimensional structures and to construct these using simple building blocks. Publication in Nature.

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.

Towards the end of February, three Leiden University buildings will be assessed for their accessibility to people with a disability. The assessment will be carried out by Ongehinderd, a social enterprise committed to making the Netherlands more accessible. Its founder and director, Gerard de Nooij,…

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

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 page provides updates on the protest today at the Academy Building and Hortus botanicus in Leiden.

Over the last couple of weeks, the opening of the Schouwburgstraat building during the weekends turned out to be a great success. Therefore, the opening hours will be extended. Starting Saturday 30 May 2015, the Schouwburgstraat building will be open from 10.00 to 23.00 hrs. on Saturdays and Sunday…

Modern optimization algorithms offer solutions for architectural decisions like spatial, structural and energy efficiency. A young computer scientist from Leiden University co-authored a paper that won the Best Paper Award at a leading conference in Krakow during the summer.

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

On 24 September 2020, Bernardo Ribeiro de Almeida defended his thesis 'Building land tenure systems: the political, legal, and institutional struggles of Timor-Leste'. The doctoral research was supervised by Prof. A.W. Bedner. Co-supervisor was Dr. C.I.M. Jacobs.

The decades around 1800 constitute the seminal period of European nationalism. The lin­guistic corollary of this was the rise of standard language ideology, from Finland to Spain, and from Iceland to the Habsburg Empire. Amidst these international events, the case of Dutch in the Netherlands offers…

The transformation of the myriad of medieval kingdoms, principalities, local lordships, city-‘states’ and peasant ‘republics’ into ‘modern’ states, claiming some measure of sovereignty, remains one of the core themes of European history, because it gets down to the very root of the (idea on the) Europe…

Building cultures of legality: lawmaking and anxiety in the office of the Governor General.

At around noon on Tuesday 9 April, a small fire started in the basement of Leiden University’s Snellius building. The fire brigade was quickly on the scene and soon extinguished the fire.

In 2025, GTGC co-organised with the City of The Hague and the Hague Humanity Hub a Just Peace Festival, a vibrant platform on the pressing global challenges of peace with justice. The festival involved a wide range of different activities, including dialogues, exhibitions, performances, film evenings,…

This edited volume by Jeff Fynn-Paul pushes forward the debate on the role of entrepreneurs in making war and building states in Europe and the Ottoman Empire.

Around 1:00 p.m., a group of more than one hundred pro-Palestinian protesters gathered at the The Hague campus. Participants chanted slogans and put up banners. The vast majority of those taking part left the building after a short time. However, a small group refused to leave. Follow updates in this…

Effectively supporting young people in coping better with COVID-19 related stress requires detailed understanding of the factors that influence resilient functioning. But what are those factors and what concrete actions can be taken to support young people in building resilience? Take a look at this…

In the renovation of the P.J. Veth Building, much attention has been devoted to the environment and the sustainable (re)use of materials. You can now separate waste easier, fill your own water bottle at the Join the Pipe tap point and pick up a free book at the giveaway library. All this is possible…

Everything is peaceful again in and around the Wijnhaven building at Campus The Hague. Earlier today, the location was the scene of a large pro-Palestinian protest. Lectures were cancelled. In the end, everyone left the building voluntarily.

Within the research project "Governing and Building the City: Mirrors for Magistrates as a Lieu for Theoretical Reflection on Architecture," there are currently two vacancies for a doctoral student and a post-doctoral researcher. Candidates can apply until May 15, 2024.

On Tuesday a few dozen students and staff from Leiden University protested on the square in front of the Lipsius building against the classroom scanners that have been installed in buildings and lecture halls. They are demanding that the scanners be removed.