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…

This summer, the COST action

Promotor: R. Cramer

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…

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

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.

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.

Women in International Security -Netherlands (WIIS-NL) is an affiliate of WIIS Global. WIIS-NL Members include: professionals, civil servants, academics, NGOs, employees of international bodies and organizations, embassy staff, politicians, students, and interested members of the general public. The…

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

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

The Institute of Security and Global Affairs (ISGA) focuses on multidisciplinary research and education within the international scientific field of security studies.

A particular group of counter protesters have been sighted at numerous Black Lives Matter protests that were held in the United States. An extreme right movement known for its characteristic Hawaii Shirts and heavy weaponry that calls itself the Boogaloo Boys. Which is cause for concern among the American…

In the track Intelligence and National Security you will be introduced to intelligence and security services in their political, societal, and bureaucratic contexts. The track will give you a thorough understanding of the modus operandi of these agencies, their interaction with the surrounding world,…

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.

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.

How do laws and procedures for police vetting unfold in practice?

The Hague is the international city of peace, justice and security – making it the logical place for the Institute of Security and Global Affairs (ISGA) to reach partners from ministries, governments and NGOs with research into issues relating to security.

As a student in Security Studies you are a socially engaged critical thinker eager to study real-life security cases in an academic setting. You focus not just on the broad context of these issues but also on the role of government, institutions and media. Want to know more? Sign up for one of our Open…

This dissertation studies how domestic regulatory agencies and the officials representing them are influenced by and deal with the increasingly complex transnational environments in which they have come to operate. Based on (social) network analysis it demonstrates how decisions of domestic agencies…

The first book ever on information-theoretically secure multiparty computation

One of the core concepts of the Master programme Crisis & Security Management (CSM) is ‘governance’. In the course Security Networks and Technology, the focus is on the interplay between various levels of security governance and new technological developments.

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

Identifying 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 Leiden Complex Networks Network (LCN2) aims at bringing together scientists from different disciplines, based on a common interest in both theoretical models and empirical analyses of networks and graphs.

How do we address the pressing challenges posed by large-scale networks?

For many system in statistical physics the microcanonical and canonical ensemble are equivalent in the thermodynamic limit, but not for all.

The Leiden Leadership Centre is an international and interdisciplinary network organisation connecting people and perspectives.

Modelling supra-regional communities in the early 3rd Millennium BC

On 9 April 2019 the graduation ceremony of the master Crisis and Security Management (MSc) took place. Three graduates were asked how they felt now, what they are going to miss, whether they would have wanted to do something different looking back and what their future plans are.

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.

Study information

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?

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.

The JASON Institute, together with the Jean Monet Centre of Excellence, Leiden University Campus The Hague, the Ministry of Foreign Affairs and Jonge Atlantici, is very pleased to invite you to the Symposium on European Defence- and Security Policy.

How have British, Dutch, and German security services dealt with political violence and terrorism since the late 1960s; to what extent did they consider these new phenomena as a task and how have they developed activities in order to counter these security threats?

Below you can find lists of Leiden-based and international organizations working on Central Asia, and an overview of useful resources on Central Asia.

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

The ‘Food citizens?’ project is assisted by an advisory board, consisting of academics and stakeholders.

Taking the changing landscape of international cyber security and cyber conflict as a point of departure, The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic changes and challenges…