Technology and privacy, trust and mistrust. A discussion about this broke out when the University installed scanners and students protested. On Wednesday 2 February experts from Leiden University will explore this topic at the eponymous symposium. We called Roy de Kleijn, as a computer scientist and…

The General Data Protection Regulation (GDPR) came into force in 2018. It was intended to protect the rights and freedoms of individual citizens from the risks of personal data processing. Meanwhile, the phenomenon known as big data has continued to advance at a fast pace. PhD defence on 12 Septembe…

Information about the products of the extract library.

Arts and culture, Pianoconcert

Leiden researchers Arko Ghosh and Enea Ceolini analysed the usage data of hundreds of mobile phones and discovered that our body has rhythms ranging between 7 and 52 days. These cycles influence how we behave. Their research resulted in an article in npj Digital Medicine journal, a Nature Portfolio…

Huiselijk geweld is een ingrijpend probleem in Nederland, met jaarlijkse fatale gevolgen. De impact gaat verder dan alleen de slachtoffers zelf en raakt ook nabestaanden en de samenleving als geheel. Tot nu toe/Momenteel ontbreekt het echter aan een gestructureerde manier om fatale gevallen systematisch…

Data management is crucial for the success of research projects.

This project develops methods for ensuring the anonymity of individuals in social network data.

Op donderdag 17 april 2025 neemt prof. dr. Marco Mostert, Hoogleraar Middeleeuwse Geschiedenis aan de Universiteit Utrecht afscheid.

At the Sport Data Center, five research themes are explored.

On Tuesday 11 February, the European Data Protection Supervisor, Mr. Wojciech Wiewiórowski, visited eLaw, - center for Law and Digital Technologies at Leiden Law School to give a lecture on facial recognition systems and data protection in Europe.

The Netherlands has DigiD, Portugal ‘de Cartão de Cidadão’, and Ireland MyGovID. Europe now wants one uniform digital identity card - the same for all Member States. For the Dutch government, the European successor to DigiD is a prestige project. State Secretary Van Huffelen wants to roll out an app…

The Dutch police must stop storing personal data indefinitely. This was decided by the Council of State following several publications by investigative journalism platform ‘Follow the Money’ (FTM). Bart Schermer, Professor of Law and Digital Technology, assisted in the investigation.

It is becoming increasingly common to collect data from children and young people through digital means. The impact of this so-called ‘dataveillance’ on children, who are monitored from birth via smartphones and Fitbits, is great.

Media outlets Investico, de Groene Amsterdammer and Trouw reported on the wide-scale collection by the Dutch police of personal data of demonstrators and their family members. Bart Schermer, Professor of Privacy and Cybercrime, commented on the issue.

The work of judges can also be done by AI systems. These systems can formulate an objective proposal for a ruling. But such proposal should always be checked by a judge, says Bart Custers.

Information about the association and the board.

On 23 and 24 October, eLaw - Center for Law and Digital Technologies hosted the 2025 edition of Privacy Law Scholars Conference Europe at Leiden Law School. Over two days, participants discussed more than 40 work-in-progress papers, with materials available to participants ahead of time. The conference…

We bring science to your home! Join our online study called Biological Motion study!

On 28 December 2019, Dutch newspaper Trouw published an essay by Constant Hijzen, Assistant Professor Intelligence Studies at the Institute of Security and Global Affairs and the Institute for History. In the essay, he discusses two books on a new genre of espionage: the authors provide access into…

With the conference circuit slowly reopening after Covid forced almost all academic interactions online, thousands of conference attendees descended on Brussels for Europe’s largest technology conference. eLaw’s annual sponsorship of one of the many CPDP conference panels brought a diverse range of…

Modern society is connected through electronic and mobile devices, which we call the Internet of Things (IoT).

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Dieselgate, privacy violations by TikTok, increases in energy prices: reports of mass damage lawsuits are a regular occurrence. These lawsuits raise many interesting legal questions. A new handbook sheds light on these issues.

In the Netherlands it is now possible to visit non-essential shops if you make an appointment beforehand. But when you book an appointment you have to provide a lot of personal data. Are shops allowed to ask you for all this data and what happens to it?

Recent developments in AI mean nobody is anonymous nowadays. The search engine PimEyes can find any photo of anyone that’s ever been placed online. No more Tinder Swindlers… or personal privacy. Everyone’s findable now. But is that even allowed?

Can the KLM reject an applicant for a job as a pilot or stewardess if they refuse to get vaccinated against Covid-19? Or put more broadly: can the employer of a new employee demand that they are vaccinated? Those questions were at the centre of court proceedings brought on Thursday by the Dutch Airline…

Big Data - Big Business? - wrap up

eLaw is a research institute of interdisciplinary scholars who explore issues at the intersection of law, technology and society.

AI has huge societal and economic potential and is widely used. But it also brings challenges: how do we combine human values with AI, how do we make AI more transparent and understandable, and what can AI and human cognition learn from each other, for example about language learning?

A consortium of knowledge institutes, led by Leiden University launched an online platform for analysis and research of sports and movement data on 7 September: Sport Data Valley. The platform offers coaches and athletes insight into their data and makes research on sports and exercise more efficient,…

Can we improve the living environment of people with dementia with software and smartwatches? Daniela Gawehns did research in a care facility for people with dementia as part of the project 'Dementia back in the heart of society'. This way, she tried to find out whether an open living environment leads…

eLaw examines the role of law in the information society: how can law contribute to the proper functioning of information and communication technologies, and their use by citizens, businesses and governments?

This paper examines cyber intelligence in the context of national and international security.

On 22 November 2018, Els De Busser spoke at a panel during the conference

As a scientific partner, the Sport Data Center offers (sports) organisations a wide range of services.

A convolutional neural network (CNN) is a biologically inspired algorithm, highly capable at processing images and videos.

Researchers from eLaw, the Center for Law and Digital Technologies, published a new book on EU data protection law.

Here’s a selection of key publications by members of the CPP:

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Europe is working full steam towards a digital identity for every EU citizen. And although it might be really useful to be able to hire a car everywhere in the EU with no hassles, Bart Custers, Professor of Law and Data Science at eLaw, the Center for Law and Digital Technologies, sees many loose ends.…

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

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?