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 to provide students with a mixture of technical and governance knowledge to set them on a path towards understanding cyberspace and…

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

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.

This dissertation consists of two parts, with the common theme

How can we promote social cohesion in a society that is culturally and religiously diverse?

The Leiden University Sustainability Network is the platform for Leiden University staff and students to combine their efforts and support each other in making our university more sustainable.

Sarah Giest, Assistant Professor at Leiden University, and Ishani Mukherjee researched the topic of 'Behavioural Insights Teams (BITs) and Policy Change: An Exploration of Impact, Location, and Temporality of Policy Advice'.

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?

In this top-rated course, you will learn how the European Union prepares and decides on policy, and how policy is transferred to member states and implemented by various authorities. It discusses the challenges of the European multi-level governance structure and the main causes of policy failure or…

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…

The protection of civilians (POC) in armed conflict has become a core strategic objective for the United Nations system and for UN peace operations in particular. The UN, however, is not the sole actor engaged in POC.

The LGBT+ Network offers a platform for all lesbian, gay, bisexual, transgender and queer staff and students at Leiden University.

This paper aims to understand the most common underlying problems causing strategic surprise in the context of the European Union.

In this thesis, we extend the concept of null models as canonical ensembles of multi-graphs with given constraints and present new metrics able to characterize real-world layered systems based on their correlation patterns.

An international comparative study of the Netherlands, Belgium, Denmark, France, Germany, the United Kingdom and the United States.

Below you can find an overview of our network.

How and under what conditions Dutch primary school principals' managerial networking activities affect the performance of their school

Are you curious about how economics, law and governance shape our society? At Leiden University, you’ll explore financial systems, public administration, international relations and legal frameworks. From international law to public policy, from global diplomacy to financial regulation: you’ll learn…

Are you curious about how economics, law and governance shape our society? At Leiden University, you’ll explore financial systems, public administration, international relations and legal frameworks. From international law to public policy, from global diplomacy to financial regulation: you’ll learn…

The archaeology of transregional exchange (1st millennia BCE-CE)

The focus of this programme is the inter-community social relationships and transformations of island networks in the Lesser Antilles across the historical divide.

Many of the big challenges of the 21st century (climate change, international migration, financial instability, socio-economic inequality) find their origins in the organisation of the global economy. Any solution to the world’s big challenges therefore requires forceful policy interventions at the…

Promotor: R. Tijdeman, Co-promotor: H.J.J. te Riele

Do recent developments in the European security architecture signal the end of multilateral cooperation, or the beginning of a new era with emerging forms of international security collaboration?

This thesis seeks to combine two different research topics; Multi-Objective Optimization and Complex Network Analysis.

Both within Leiden University and in the external partner universities PhD research is conducted which is directly or indirectly related to regional integration.

How do humanitarian organisations adapt cyber incidents to their specific priorities and needs, and how can they adapt strategies of other organisations?

The Leiden Computational Network Science Lab (CNS Lab) researches methods for knowledge discovery from real-world network data.

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 Young Alumni Network is specifically for young alumni (35 years and younger) living in the Netherlands, who have recently graduated and are at the start of their career. As a young alumnus you have different needs than when you are settled in your career path or when your career is drawing to a…

The active learning network joins together everyone interested in the subject to move the theme further within Leiden University. The SALTSWAT pilot program researches the ways forward for Leiden University.

Mooc Eu Policy Europe Europa

The Global Abolitionisms Network, established in 2015, is an international network of scholars working on antislavery activism and abolitionism. It is affiliated to the Leiden Slavery Studies Association.

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.

What is the effect of transgovernmental networks on the principles and practices of democratic accountability within national central governments?

Leiden University actively seeks to prepare students for the labour market and wants to help young alumni at the start of their careers. For this we like to use the knowledge and experience of Leiden alumni. To bring these students and young alumni who have questions about their career in contact with…

The D&I Expertise Office is in close contact with various student and staff networks regarding diversity and inclusion.

Innovation plays an essential role in firms' competitiveness and long-term success. It varies from different types, ranging from run-of-the-mill innovation that brings incremental changes to existing technologies to radical innovation that breaks from existing trajectories.

The Centre for Science and Technology Studies (CWTS) ensures that its research practices align with its commitment to inclusion, responsible evaluation, and open science. Our policies and guidelines provide clear principles for ethical research conduct, data management, sustainable travel, PhD supervision,…