This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

The central aim is to systematically study differences in crime patterns and social control between migrants and non-migrants in early modern Frankfurt am Main.

The Centre for Digital Heritage undertakes collaborative international research in the field of Digital Heritage. It is an initiative of the University of York.

Dialogue is a multi-dimensional communication mechanism whose processes can only be examined by means of an interdisciplinary approach.

The rise of the digital age affects public governance in many ways. Digitalisation and data impact every aspect of public governance and policy. Within Leiden University’s Public Administration institute, based in The Hague -the administrative capital of the Netherlands- our centre seeks to understand…

The members of LUXs develop and validate new methods and algorithms for analysing data, and apply these in a wide range of problems. Their research ranges from multidisciplinary applications to proving mathematical theorems.

In the past years, the Faculty of Archaeology has started to require that researchers provide evidence of ethical review before starting some projects, for example when working with human participants or human remains. This is in line with what many academic journals have started to include in their…

The RISIS project aims at creating a distributed research infrastructure to support and advance science and innovation studies. This will give the field a strong scientific push forward, and at the same time, provide a radically improved evidence base for research and innovation policies, for research…

The master's specialisation Occupational Health Psychology consists of three main parts: the mandatory and elective courses, a thesis and an internship.

After graduation you have a lot of opportunities: the field of science communication is very broad. You can also aim for a career in industry or research.

We are committed to empowering the continuous development of higher education. With a team of multidisciplinary experts, LLInC supports innovative and high-quality education, within Leiden University and in partnership with academic and social organisations.

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

The focal point of the E&G specialisation is welfare states and markets. You develop your skills in economic reasoning, and conducting economic analysis, while learning about the role of government in creating, facilitating and controlling markets.

Since 2022, a higher proportion of people in the Netherlands have been victims of cybercrime than of 'traditional' crime. The Bachelor in Cybersecurity & Cybercrime trains you to become an all-round cyber expert, equipping you to take on the fight against cybercrime.

The MSc programme ICT in Business and the Public sector (120 EC), offers two specialisations that focus on either ICT and business or ICT and the Public Sector.

The BOCA project explores new forms of communicating academic knowledge as a way to strengthen the connection between the university and society.

Students and researches from all faculties at Leiden University attended a lunch seminar to discuss with four topic experts the rise of AI and the challenges this poses for various governance structures. The event was hosted by Leiden University’s interdisciplinary programmes GTGC and SAILS.

The Institute of Political Science is a vibrant department with nearly 70 academic staff in Leiden and nearby The Hague.

On 15 May 2022, colleagues from Leiden Law School participated in the Leiden Marathon (full and half marathons, 10k and 5k runs).

On Thursday 30 November and Friday 1 December the site-visit took place for the programs BSc Public Administration, MSc Public Administration, MSc Management of the Public Sector and MSc Crisis and Security Management. The programmes are being assessed as part of the Public Administration cluster assessment…

A recent publication by Niek Strohmaier, Assistant Professor of Empirical Legal Studies (ELS) Lab @Leiden, together with Professor Jan Adriaanse, Professor Kees van den Bos and Associate Professor Helen Pluut, has been accepted by the Journal of Applied Social Psychology.

On 20 April 2017 Jorrit Rijpma, Eugenio Cusumano, and Melanie Fink organise a Workshop to discuss the legal and policy implications of the surge in privately conducted search and rescue operations in the Central Mediterranean. The Workshop takes place in cooperation between the Law School and the Faculty…

On December 7th & 8th, visual artist Sophie Ernst will defend her thesis The Magic of Projection; Augmentation and Immersion in Media Art, to obtain her doctoral degree. The public defense takes place in two stages. On Wednesday 7 December 2016 at 4 PM Ernst will publicly elucidate the artistic work…

The LDE Centre for Global Heritage and Development has interviewed Dr Maaike de Waal about the new publication of which she is one of the editors. 'Living (World) Heritage Cities explores how World Heritage Cities are dealing with the preservation of their living heritage, with all the challenges and…

The leading medical journal The Lancet has withdrawn a controversial publication on the antimalarial drug hydroxychloroquine. The reason for this is the open letter to The Lancet that over a hundred scientists signed, including Richard Gill, Leiden Professor emeritus of Mathematical statistics.

Nienke Weijermars studied Public Administration at the Faculty of Governance and Global Affairs. While doing her bachelor’s, she enrolled in the minor in Journalism and New Media, followed by an internship at Dutch local newspaper Leidsch Dagblad: 'At Leidsch Dagblad, they really had time to teach me…

Salvador Santino Regilme received Honorable Mention for the 2022 Best Scholarly Article Award from the Sociology of Human Rights Section of the American Sociological Association (ASA). He won for his paper “Visions of Peace Amidst a Human Rights Crisis: War on Drugs in Colombia and the Philippines,”…

The Advisory Committee on Public International Law (Dutch abbreviation CAVV) is an independent body which provides the government and parliament of the Netherlands with advice, both solicited and unsolicited, on issues related to public international law.

The Netherlands Open Government Action Plan was recently presented to the Dutch House of Representatives. One of the action points in the plan relates to research to be conducted by Annemarie Drahmann, Louis Honée and Ymre Schuurmans, all staff at the Department of Constitutional and Administrative…

Recently three Public Administration students of Leiden University gave a sturdy advice to the Tax Authorities about the effects of the reorganization, at the invitation of the Ministry of Finance.

Contract means contract? Step-in risk, safeguards and resolution

An international visitation committee has judged the research programme of the Institute of Public Administration of Leiden University as excellent. The report, which looked at the period 2014-2019, was published last week.

The digital lobby or the virtual advocacy, it seems to work. But in the long run, the quality of the relationships deteriorates, according to public affairs professionals from large companies. They miss the physical lobby, the contact in person. Read the blog of Erik van Venetië, trainer within the…

Prime Minister Rutte has broken the Archiefwet (Dutch Public Records Act) for years by deleting his text messages. That was the conclusion of the Information and Heritage Inspectorate in a scathing report. On Monday, Speaker of the Dutch House of Representatives Vera Bergkamp also filed charges after…

Article in the journal Irish Political Studies discussing the challenge of aggregating opinion polls and presenting a method to better model major sudden political and societal events. This can can enhance opinion poll reporting in the media.

Call for Papers for the Conference to be held on November 29th and 30th at Leiden University and coordinated by Prof. dr. M.A. (Marcel) Cobussen, involving Keynote speakers Salomé Voegelin, Gascia Ouzounian, Holger Schulze, and Jean-Paul Thibaud.

New publication reviews Dutch colonial sources on the Indigenous Brazilian Tapuia people: ‘For them the Dutch were another piece on the political chess board’

Hundreds of beautiful and timeless photos by Emmy Andriesse, one of the most important Dutch photographers of the twentieth century, are now freely accessible for everyone and can be used for research, education or other purposes. Large parts of Andriesse's oeuvre are already available online via Digital…

Timo Slootweg, associate professor at he department Philosophy of Law, published a chapter about Paul Scholten in

The volume Vernacular Books and Their Readers in the Early Age of Print (c. 1450–1600), edited by Anna Dlabačová (Leiden University), Andrea van Leerdam (Utrecht University), and John Thompson (Queen’s University, Belfast), explores approaches to study vernacular books and reading practices across Europe…

The EU and Switzerland are negotiating a new institutional framework for part of the agreements that regulate their legal relations. More specifically, this concerns new as well as a number of already existing market access agreements.

The Turnaround Wing of INSOL Europe and Leiden Law School are working on the design of ‘guidelines for out-of-court turnaround professionals’. On 3 April 2015, the first non-public draft of Report I of the Turnaround Wing project has been mailed to the members of the Review and Advisory Group inviting…

On Tuesday 23 January the Creative Intelligence Lab and Media Technology MSc program welcome Ziv Epstein from the Stanford Institute for Human-Centered AI to Leiden. He will give the public keynote to close off our 7th annual Social Technologies Symposium, entitled "The Art and Science of Social Scrying:…

On 28 May 2021, Melanie Fink spoke at the conference ‘Twenty years of Regulation 1049/2001 on Public Access to EU Documents: Taking Stock and Looking Ahead’

Meeting in person is crucial to higher education. It would therefore be inadvisable only to allow students to use public transport between 11:00 and 15:00. This is what the rectores magnifici of the Dutch universities say in a joint letter in ScienceGuide.

Since graduating from Leiden Law School with master’s degrees in Jurisprudence & Philosophy of Law and Criminal Law, alumnus Allard Altena now works as a Public Prosecutor at the Dutch Public Prosecution Service. He says, ‘I leave work at the end of each day knowing I’ve done something useful.’

In May and June of 2021, Bachelor 1 and 2 students of the Faculty of Archaeology joined in the excavation at Oss. After the fieldwork itself, a second post-excavations week started in Leiden where each of them participated in small groups conducting archaeological find processing and working on creative…