Quantum computers deserve their own quantum internet. This is a network that dispatches information not in the form of bits - ones and zeros - but rather as qubits, just like in the quantum computer itself. In the view of Dirk Bouwmeester, a professor in Leiden’s Quantum Matter & Optics research group,…

It has been argued that the Internet presents numerous new opportunities for crime, including homicide. So far, empirical scholarly research in this domain is rather limited. In order to discover how perpetrators have used the Internet in the homicides they have committed, we conducted an international…

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Russia is planning to protect its own internet against attacks from the Western enemy. President Putin recently signed a law for autonomous internet as a kick off. Critics are worried that the law will mainly be used to oppress the opposition within Russia itself. Dennis Broeders, Associate Professor…

Leiden physicists use a new method to measure so-called surface plasmons. Researching these particles could lead to new light-based technology, including faster internet.

Marc Stevens, PhD student of Ronald Cramer, and colleagues have found a weak spot in internet security. As a consequence of this weak spot in the infrastructure of digital certificates forged certificates can be issued that can be fully trusted by the usual web browsers. The results have been presented…

We found that, next to the effectiveness of the intervention, it’s also very likely that the intervention is cost-effective compared to attention only.

In the early morning of Wednesday 7 October, a 21-year-old man from Valkenburg (South Holland) was arrested on suspicion of issuing threats against Leiden University.

The internet is a good place to rapidly collect large amounts of data. But if you don’t watch out you’ll collect very biased, one-sided data. These were the warning words of the speakers at a symposium on 5 March about transparency and responsible data science.

Why is there not just one single global law for cases of defamation in cross-border communication mediums such as the internet? Which courts are to be called on in such cases? And is it permissible to hold an intermediary instead of a content provider liable?

How can cross-border internet purchases be accurately estimated? Researchers Quinten Meertens, Cees Diks, Jaap van den Herik and Frank Takes of the Leiden Institute of Advanced Computer Science (LIACS), Statistics Netherlands (CBS) and the University of Amsterdam (UvA) present their solution to this…

What legislative and regulatory questions arise when children, adolescents or elderly people use the Internet?

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.

The research project Authoritarianism 2.0, funded by the European Research Council, invites eligible research institutions to submit applications. The successful subcontractor will conduct a nationally representative survey on Internet and social media use in the People’s Republic of China, relying…

How does the development of digital technologies impact society, and law/regulation within that society?

Promotores: R. Cramer, A.K. Lenstra, Co-Promotor: B.M.M. de Weger

On 11 January 2019, Maastricht University and the University of Groningen hosted a workshop on the regulation of social media influencers.

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At eLaw, Center for Law and Digital Technologies, we provide electives in the Bachelor 'Rechtsgeleerdheid'.

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On 11 June 2020, Sabine Witting defended her thesis 'Child Sexual Abuse in the Digital Era: Rethinking Legal Frameworks and Transnational Law Enforcement Collaboration'. The doctoral research was supervised by Prof. J.J. Sloth-Nielsen and Prof. S. van der Hof.

Since 2014 eLaw offers an international advanced master programme on law and digital technologies.

Digital media are everywhere and are therefore a major part of our lives and the lives of our children. The new specialisation in Digital Media in Human Development focuses on the opportunities and challenges of digital media in child rearing and education.

You will acquire knowledge about legislation and governance regarding to modern technologies. Read more about the programme Law and Digital Technologies.

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On 20 June 2019, dr. Els De Busser was a panelist during the EuroDIG 2019 Conference in The Hague at the World Forum.

Do you have to be able to say everything on Twitter and Facebook? Is Instagram morally obliged to remove photos from attacks? Should we allow the terrorist group to recruit new members on the internet?

To be eligible for Philosophy in World Traditions at Leiden University, you must meet the following admission requirements.

Everyone wherever they are in the world can follow free online academic courses offered by Leiden University.

Voting Advice Applications represent popular election campaign tools in many countries, enabling voters to discover which party or candidate provides the best match with their political preferences. Political scientists Martin Rosema (University of Twente) and Tom Louwerse (Leiden University) examine…

You check out Facebook to see if one of your friends or someone in your family has done something interesting. Your attention is drawn to a holiday advert. That’s a coincidence, you think, because just before you went to Facebook you had been searching internet for a holiday destination. But this is…

To be eligible for Modern Languages at Leiden University, you must meet the following admission requirements.

The programme consists of multiple courses and will teach you about a range of legal, regulatory and ethical issues with respect to digital technologies.

The Second World War took the lives of at least 663 students, staff and alumni of Leiden University. They were killed in raids, deported to concentration camps or, out of desperation, took their own lives.

Anyone who creates a page for a magazine, a PowerPoint presentation, a brochure, a poster or dreams up an idea for an infographic is faced with important questions:

The research of the Algebra, Geometry and Number Theory programme ranges from fundamental mathematical theory to algorithms and applications.

In what ways do matters of cybersecurity affect the relationship between governments and citizens, have a bearing on (fundamental) rights and civil liberties, and alter the role and responsibilities of governments?

To make digital communication more secure, we need to tighten up the legal frameworks and identify the biggest cyber threats.