On 7 May 2020, Jolanda van der Vliet defended her thesis 'The International Legal Protection of Environmental Refugees. A human rights-based, security and State responsibility approach'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. J.J.C. Voorhoeve.

This book focuses on transnationalism as a key concept to evaluate how Europe responds to cross-border security challenges.

In 2021, the National Cyber Security Centre (NCSC) asked Leiden University to conduct a rapid review of best practices and possibilities for follow-up research on the integration of behavioral sciences in security by design methodologies and projects. This academic field is called security by behavioral…

Our main goal is to improve understanding of how intelligence and security services operate, how they are embedded in broader political, bureaucratic, and societal contexts, and how their methodologies can be complemented.

C-SIDe project involves a broad selection of associates in solving cybersecurity problems. Security of software systems has emerged as a critical need in our interconnected society. Companies developing software products look for Security-by-Design approaches accommodating security into their software…

The project 'Policing the high seas: maritime law-enforcement in a multi-actor environment' aims to identify the gaps in the legal framework for EU activities in the maritime security domain, and specifically in the areas of combating piracy, human smuggling or trafficking and drug trafficking.

The research group Cyber Security Governance will provide cutting-edge academic research in the domain of cyber, where modern technology interacts with traditional concepts such as governance, sovereignty, law-enforcement, international relations and conflict.

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

The first book ever on information-theoretically secure multiparty computation

Study information, Experience Day

This book describes the changing roles of traditional authorities in combatting contemporary security challenges.

Intimate Legal Interactions (ILI) is an interdisciplinary and international group of scholars who share an interest in laws governing intimate relationships – such as marriage and civil partnership, divorce, birth, death, parenthood, childcare, sexual/romantic relationships, and caring relationships…

The research project ‘The History of National Security, 1945-present', is funded by the Netherlands Organisation for Scientific Research (NWO), the Campus The Hague/Leiden University and the Netherlands Institute for Military History (NIMH). The project will run until the summer of 2013, when we hope…

Promotor: R. Cramer

In this article, James Shires and Tatiana Tropina, assistant professors at the Institute of Security and Global Affairs, map the relationship between gender equality and cybersecurity governance as a component of good security sector governance (SSG). Here, it highlights the way in which cybersecurity…

Ramesh Ganohariti will examine legal identity in three post-Soviet aspirant states and outline four common scenarios in this article.

Cyber security is one of the critical challenges in our inter-connected world. Organizations are being constantly targeted by adversaries. Various critical systems become exposed on the Internet. Users can find that their data has been stolen from a company that they were not even aware of.

Historical evolution law

Security is key to survival for any living organism: life is full of perils and threats, both physically, environmentally, and societally. Security challenges such as terrorism, natural disasters, and cybercrime rank among the most pressing issues of our time, affecting the security and safety of millions…

The executive master’s programme in Cyber Security of Leiden University takes a multidisciplinary approach that helps you develop effective and sustainable solutions for cyber risks and threats.

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?

Subproject of

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

How do technologies of computer vision, which promise to replace humans in the understanding of images, work in practice in the field of security, and what are their ethical and political implications?

Empirical Legal Studies in Leiden focuses on building an interdisciplinary community of legal scholars and social scientists who collaboratively explore legal questions on the intersection of law and behavior using a variety of methods.

Starting this academic year (2016-2017) Maartje van der Woude, Professor of Sociology of Law at the Van Vollenhoven Institute will organize the Leiden Socio-Legal Series (LSLS).

The Dutch child protection system

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

Are you thinking about studying Crisis and Security Management: Intelligence and National Security? Learn more and watch the videos.

On 22 June, Chalermwut Sriporm defended the thesis 'Franchising legal frameworks: a comparative study of the DCFR, US law and Australian law regarding franchise contracts'. The doctoral research was supervised by Jacob Hijma and Iris Houben.

In the Bachelor’s in Security Studies you study 21st century security challenges and learn to devise strategic solutions to a complex world.

Interaction between Legal Systems acknowledges that law-making and law enforcement are increasingly taking place on various levels: in a global context, in EU context, on a national level and in a private law framework. These levels influence each other, sometimes directly, on the basis of a hierarchical…

Researchers at LIACS are working to devise the computers of tomorrow that will be the backbone of the Cloud and Edge computing paradigms as well as the Internet of Things. In this respect, we are involved in research and development of high performance computing systems, embedded & real-time computing…

On this page you will find all information about the Bachelor of Security Studies that you need as a first-year student.

Researchers at LIACS are working to devise the computers of tomorrow that will be the backbone of the Cloud and Edge computing paradigms as well as the Internet of Things. In this respect, we are involved in research and development of high performance computing systems, embedded & real-time computing…

The Leiden Institute of Advance Computer Science (LIACS) in collaboration with the Institute of Security and Global Affairs (ISGA) have developed the minor Cyber Security Governance Essentials to provide students with a mixture of technical and governance knowledge to set them on a path towards understanding…

As our society becomes increasingly complex, it is critical that we better understand how we can deal with fundamental issues such as societal and personal security, and resilience against threats to our security.

The executive Master’s Programme Cyber Security takes a multidisciplinary approach that helps you develop effective and sustainable solutions for cyber risks and threats.

This book presents concrete solutions for managing the legal risks distorting the development of various areas of EU law. It pursues an innovative and effective approach to identify legal risks, their causes at the EU level and their impacts on the functioning of the Union and its Member States. It…

Social resilience and security has never been more important. Over the last 2 years, the COVID-19 pandemic has created a considerable disturbance to our personal and social lives. As a result, the general population reports more stress, loneliness and decreased quality of life. At the same time, there…

On 12 March 2019, KPN published the sixth edition of the European Cyber Security Perspectives. Sergei Boeke, researcher at the Institute of Security and Global Affairs, has written an article about Cyber ​​Warfare.

The Latin America and Caribbean Security and Intelligence Network (LACSIN) brings together scholars, practitioners, government agencies and the diplomatic community to develop novel and interdisciplinary approaches to addressing key areas of security and intelligence in Latin America and the Caribbe…

You are about to start your Master's programme in Crisis and Security Management at Leiden University in The Hague, The Netherlands. Make sure you are well prepared and get your studies off to a good start.