Social media are playing a key role in calling for resistance to the corona measures. Online, agreements are made about where and when people will gather to protest. The authorities are not always fully aware of what is happening and cannot just infiltrate, whereas civilians can often easily participate…

Terrorism expert Bart Schuurman has been appointed professor. As a researcher and lecturer at ISGA, he has witnessed the terrorist threat evolve and broaden. 'How can we explain these shifts and protect our society against them? That is what I want to focus on more,' he says.

Insurers determine for themselves whether someone has committed fraud, impose sanctions immediately and hardly ever report it. As a result, police, prosecutors, and criminal courts are side-lined. And policyholders are sometimes left out in the cold. Bart Custers, professor of Law & Data Science at…

In just over a decade, Uber has revolutionised how we move around our cities. The ride-hailing app was a game-changer: you just tapped your phone and a cab would find you. You even paid through the app. However, some of the Uber’s more controversial practices have triggered the interest of law enforcement,…

Insurance companies are registering more and more people for having committed fraud. In principle, it is a good idea to tackle cases of fraud. However, research shows that an increasing number of people are being wrongly included on the fraud list. According to Bart Custers, Professor of Law & Data…

Oostenrijk wil online bedreigingen en haat harder aanpakken. Aanleiding is de dood van huisarts Lisa-Maria Kellermayr. Zij maakte eind juli een einde aan haar leven, nadat ze maandenlang werd bedreigd door mensen die tegen coronamaatregelen en vaccinaties zijn.

As of 1 November 2021, Bart Willem Schermer has been appointed as Professor of Privacy and Cybercrime at eLaw – Center for Law and Digital Technologies.

Hackers have got their hands on data from the Royal Dutch Football Association (KNVB). Lockbit, a collective of cybercriminals, is after the money. What now?

Misleading social media posts are falsely claiming that the Dutch supermarket chain Jumbo uses facial recognition at self-service checkouts. Jumbo denies this, although it has launched trials with AI cameras to combat shoplifting without using facial recognition.

Pavel Durov, CEO of chat and messaging app Telegram, was arrested in France last week. The Russian tech billionaire flew into Paris by private jet and was arrested on suspicion of cybercrimes. Telegram allegedly facilitates criminal activities such as money laundering. This raises the question of how…

The more people are vaccinated, the more society can slowly reopen. Technological developments, like the Covid passport and other apps, can play a role in this. Artificial Intelligence could help greatly in developing the vaccine passport and the Covid-19 exposure notification app, Anne Meuwese and…

This month, it came out that a subdistrict court judge used ChatGPT to formulate a ruling. The judge included some text generated by the popular AI chatbot in his decision. This resulted in a lot of media commotion, raising doubts as to whether using ChatGPT in court is permissible and responsible.

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 EU proposal for a regulatory framework on artificial intelligence will not prevent the dangers of cybercrime or the spreading of fake news using ChatGPT. Cyber criminals can use the new technology to write harmful software, phishing mails and fake news.

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.…

On Friday morning, 18 October, Rector Magnificus Hester Bijl and Professor Remco Breuker welcomed Korea Foundation President Gheewan Kim.

The Public Prosecutor's Office (OM) and the Netherlands Forensic Institute (NFI) want to use private DNA databases for genealogical research in criminal investigations. The method could be used in serious criminal cases that have stalled and it is already being used in investigations abroad. Whether…

Professor of Privacy and Cybercrime Bart Schermer researches the relationship between new digital technologies, enforcement and human rights. What cybercrime trends can he see that are relevant to an organisation like Leiden University?

‘We may have taken steps together, but there is still much to do in the fight against racism and discrimination’, says Annetje Ottow, President of Leiden University’s Executive Board. ‘We have to be aware of this and continue to focus on this difficult, uncomfortable and often confronting topic.’

The Executive Board has reappointed Professor of Algebra and Number Theory Bart de Smit as vice-dean at the Faculty of Science. De Smit had already held this position since the beginning of 2019. His term has been extended by four years until the end of 2026.

After nearly five years as President of the Executive Board, Annetje Ottow will be stepping down from the role as of 1 September. During her time as President, she helped shape the university’s strategic direction, strengthening its regional, European and international profile. Sustainability, and dignity…

Since 1 November 2025, Prof. Dr. Luc Sels has been the new president of Leiden University's Executive Board. In a message to our university he introduces himself and shares his first impressions.

Former President Kgalema Motlanthe of South Africa gave a public lecture on Campus The Hague on 7 July. His story was about the economic transformation of Africa.

Rick Lawson, Professor of European Law and former Dean of Leiden Law School, was appointed as the new president of the Netherlands Institute for Human Rights on 30 June.

Bart Barendregt receives a Vici grant of 1.5 million euros from the NWO for his research project 'One between the Zeros, an Anthropology of Artificial Intelligence in Islam'.

In this flash interview we get a flash introduction of our President and alumna Annetje Ottow.

Researchers at eLaw contribute to groundbreaking volume on AI in radiology, offering legal and ethical frameworks, governance models, and solutions for responsible clinical integration.

Student of International Studies Susanne Reitsma has a remarkable passion: water. In April 2015, she was elected vice president of the World Youth Parliament for Water, in which capacity she works for worldwide access to clean drinking water and sanitation. What does Suzanne find so special about water?…

The International Criminal Court (ICC) is under intense scrutiny when it comes to prosecuting international crimes. This due to increasing conflicts worldwide. During her visit to Leiden, the President of the Court, Judge Tomoko Akane, said that the Criminal Court will not yield to threats.

Hoe kijken Nederlandse bedrijven naar online prijsdiscriminatie? Kimia Heidary, Bart Custers, Helen Pluut en Jean-Pierre van der Rest schreven hier een artikel over.

Timo Kos has been Vice President of Leiden University’s Executive Board since 1 March. Who is he and how have his first weeks been? ‘Higher education is under threat; we’re under fire.’

Maarten Feteris, the former president of the Court of Appeal and an alumnus of Leiden University, composed the piece ‘Intermezzo’ to mark the transfer of the rectorate during the Dies Natalis on 8 February 2021.

Leiden University will set up further activities with the Asian Development Bank (ADB).

‘We have to have accountability.’ That was Roberta Metsola’ for her audience on Thursday evening. The President of the European Parliament had come to the Wijnhaven building to speak with students.

‘It truly is a plan by and for us all,’ said Annetje Ottow, President of the Executive Board, at the Dies Natalis celebration on 8 February. Leiden Law School was also actively involved developing in the strategic plan.

They first entered the Academy Building fifty to sixty years ago. On 28 March, they were back for an afternoon: the members of the Dr Pfiffikus debating society of the German Studies programme. Former chair Hans van der Veen looks back on his student days.

The Leiden-Delft-Erasmus Universities strategic alliance celebrates its tenth anniversary in 2022. At the ‘The Next Ten Years’ anniversary celebration in the Faculty Club on 12 April, the partners looked back on their achievements and ahead to the major social challenges of the next ten years.

Annetje Ottow is stepping down as President of Leiden University’s Executive Board on 1 September 2025 after almost five years in the role. She looks back at the highs and lows – and ahead to what’s next.

Leiden University has a new Executive Board. Since 8 February 2021, Annetje Ottow has been the new President and Hester Bijl the new Rector Magnificus of the Board, while Martijn Ridderbos has continued in his role as Vice-Chairman.

How do you teach? Every teacher has their own style, and often an arsenal of tricks, lessons learned and insights. In every Education Newsletter, a teacher shares a personal tip. Here's an overview.

Staff from the Faculty of Social and Behavioural Sciences and the Faculty of Humanities jointly provide lab support to the participating institutes.

The winner of the Leiden University Thesis Prize has made an original and substantial contribution to argumentation theory. This is what Annetje Ottow, President of the Executive Board and member of the LUF board, said at the online ceremony for the University’s thesis prizes. The winner of the first…

The Mapping Slavery project will place markers that tell the story of Leiden’s slavery past. Why is this important and what does it mean for today’s society? Before the markers are placed, a panel came together on 24 March to discuss the slavery past of not only the city but the University too.

Leiden Mayor Peter Heijkoop visited the Faculty of Social and Behavioural Sciences and the Faculty of Science on Monday,

During a meeting at the University on 10 November, staff spontaneously removed a painting by artist Rein Dool from the wall in one of the meeting rooms in the Academy Building, reversed it and placed it on the floor. A tongue-in-cheek action with a serious undertone. This has led to a lot of commotion…

Annetje Ottow is the first female president of the Executive Board of Leiden University, which means a return to her Alma mater.

On International Women's Day (8 March) we take time to consider female emancipation and participation. What does this day mean for Leiden University, and how does it tie in with our aim of becoming more diverse and inclusive? We talked about these issues with Annetje Ottow, who recently became the…

If universities and research institutions want to tackle unacceptable behaviour in academia, they must shift their focus from dealing with complaints to preventing such behaviour in the first place. This is what the Royal Netherlands Academy of Arts and Sciences (KNAW) has concluded. It has therefore…

A new book about Villa Isola in Indonesia reveals some of the shared history of the Netherlands and Indonesia. The book was presented on Thursday to Annetje Ottow, President of the Executive Board, and Mr Mayerfas, ambassador of the Republic of Indonesia in the Netherlands.