Jelena Vićić and Richard Harknett offer an analytical construct to better understand the mechanism by which cyber-enabled influence operations work

The amended Intelligence and Security Services Act (WiV) enacts a fundamental change in the relationship between the security services and politics. This carries the risk of politicisation of information, according to Professor Paul Abels. Inaugural lecture on 16 February.

In this article Vanessa Newby discusses how the ANZUS states of United States, Australia, and New Zealand that sit on the fringes of the Asia-Pacific, are increasingly using their armed forces to deliver Humanitarian Aid and Disaster Response (HADR) as a way of engaging with the region.

On behalf of the interdisciplinary programme Social Resilience & Security, we would like to remind you of the call for proposals for seed funding (up to €4.000) to boost interdisciplinary research.

Around 1.8 million years ago, early hominins moved into Eurasia and adapted to colder climates and unfamiliar ecosystems. This project investigates whether innovations in diet such as eating new plants or applying new techniques for food processing (cooking or fermentation) contributed to this major…

Interdisciplinary cooperation between public and private actors is of vital importance for facing contemporary security and global affairs challenges. This was the main conclusion of two conferences hosted by the Institute of Security and Global Affairs of Leiden University from 7-10 November 2016.…

On Monday, 4 September the new bachelor programme Security Studies had its official start.

Research is at the heart of a solid security policy. That’s why researchers from Leiden are analysing the motives of radicalised people and the biggest risks surrounding digital activity. Read more about their work in the research dossier ‘Security and Threat’.

This project has two main aims: I. Determine when novelty promotes fear extinction. II. Discover the neurobiological mechanisms underlying these effects.

In the Surveillance and Security Threat Monitor 2022-2023, the research project thematically examined threat developments.

Steering soil microbiomes for better crop quality: the holy grail to improve human health?

In zijn oratie bepleit Joachim Koops dat de toekomst van Security and Global Affairs ligt in onderzoek, onderwijs en academisch bestuur.

Ludo Block wrote the eleventh chapter of the book 'Post-Crimea Shift in EU-Russia Relations: From Fostering Interdependence to Managing Vulnerabilities'. His chapter 'Business as Usual? Police Cooperation under a Cloud of Political Animosity' can be found on page 204 of the book.

In this article, Chiara Anfuso, Andrea Bartolucci, Cristina del Real, and Sanneke Kuipers examine cyber threats in humanitarian aid, exploring how digitalisation increases vulnerability and assessing the challenges organisations face in strengthening cybersecurity and response strategies.

Leiden University is organising two international conferences on security from 7 to 10 November in The Hague. Power relations, negotiating with extremists, cyber espionage, and the experience of a real crisis situation are some of the issues on the agenda. The conferences will be opened by Mayor Jozias…

During the final session of the PRE-University Class Security Challenges in the 21st Century, students showcased their thorough analysis of contemporary safety and security challenges. The results were impressive, according to both the teachers and the assessors: ‘You almost forget that they’re high…

On 10 December 2021, the GTGC Conflict, Peace and Security thematic group organized a research seminar. In this seminar, Tahir Abbas, from the Institute of Security and Global Affairs at the Faculty of Governance and Global Affairs, presented a draft on ERC grant application on the inter-generational…

On 1 October 2021, GTGC Conflict, Peace and Security thematic group organized a research feedback session. In this session, Hilde van Meegdenburg's from Leiden University presented a theory chapter for her planned book about the Narrative Basis of Foreign Policy: On the use of Private Military and…

This research project explores themes related to the system of close protection and surveillance (Dutch: bewaken en beveiligen) in the Netherlands.

The interdisciplinary programme Social Resilience & Security is inviting proposals for seed funding. The programme aims to combine knowledge and expertise from five different faculties to study transgressive behaviours, its dimensions, aetiology, and effects of interventions with a multidisciplinary…

On Friday 1 April 2022, Tom Buitelaar presented his work to the Conflict, Peace and Security thematic area during a research feedback seminar. The title of his work was 'the Agency of Individuals in UN Peace Operations.'

On 5 November 2021, GTGC Conflict, Peace and Security thematic group organized a research seminar about Migration across the Mediterranean. In this seminar, Eugenio Cusumano from the Institute of History at Leiden University, presented a paper on Migration across the Mediterranean.

Muslim scholars work in a long and rich tradition of knowledge-production in their own culture.

On 11 and 12 October Jorrit Rijpma spoke on Mobility and Security at the Batumi State University and the Tbilisi State University.

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

Schuurman examines how Russia is escalating its covert operations against European countries.

In the late 19th and early 20th century, hundreds of thousands of Chinese labor migrants crossed the seas to the Dutch East Indies. On the tobacco plantations of northeastern Sumatra and in the tin mines of Bangka and Belitung, they endured long hours and harsh conditions. Their journeys formed part…

Political scientist Corinna Jentzsch (Leiden University) about the organisation of rebel and government auxiliaries in the civil war in Mozambique (1976–1992).

Legal experts, including Jens Iverson, a lecturer in international law, warned in Le Soir that any attempt by former U.S. president Donald Trump to annex Greenland would violate international law. They argue that this would remain the case regardless of recent diplomatic talks or security arguments…

Van Vark defended her dissertation 'Separation and immersion: the changing role of the armed forces in Northwestern liberal democracies’ on 17 October 2025. The doctoral research was supervised by Maartje van der Woude and Erwin Muller.

An exploratory study on the role of family members of those who joined jihadist groups

A research program that focuses on the development and implementation of cyber norms.

In November we went to a real, biodynamic farm (Kwekerij Eko Logisch) and listened to David, a farmer who believes you can limit harm to the environment while still growing heaps of vegetables, fruits, and herbs. On the two-hour visit, we were shown around the farm and even encountered some animals.

This book by Damien van Puyvelde provides the first comprehensive English-language account of France's modern foreign intelligence and explores its evolution, operations, and role in global security.

New sampling and analytical strategies give archaeologists a better understanding of the nutrition and survival of ancient populations. Publication in PLOS One.

On 6 May 2022, Alies Jansen presented her work on 'Security Force Assistance in Iraq' to the Conflict, Peace and Security thematic area during a research feedback seminar.

Between November 2022 and December 2023, 45 one-off and 14 structural security measures were taken for academics or university staff. This is what it says in the External Intimidation, Hatred and Threats against Academics Monitor published by the Universities of the Netherlands (UNL), the Dutch Research…

This paper, written by Silvia D'Amato & Andrea Terlizzi, investigates the extent to which the European Union is strategically engaging against terrorism.

On Friday 4 March 2022, Matthew Hoye presented his work on 'OFAC’s War in Afghanistan: Two Theories on Famine and Sanctions' to the Conflict, Peace and Security thematic area during a research feedback seminar.

When does radicalization not lead to terrorist attacks?

This book, edited by Joost Augusteijn, Constant Hijzen and Mark Leon de Vries, explores how democratic regimes have dealt with anti-democratic forces in society, from the late nineteenth to the early twenty-first century.