For 20 years, ISD has delivered field-leading threat detection, analysis and real-world strategies to combat terrorism, extremism and authoritarianism - in all their ideological forms.

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Our Expertise

Leading the fight against extremist propaganda, weaponised hate and influence operations

ISD is the leading international organisation focused on combatting extremist propaganda, polarisation, and hostile foreign information operations. Working closely with law enforcement and governments, we strengthen national security by providing threat analysis and prevention to a range of stakeholders while also promoting platform accountability.

Our expertise and analysis enables ISD to provide advisory support to more than 40 governments and over 290 cities facing threats from extremism. We have also developed innovative strategic communications models which have been delivered to millions of online users, and trained tens of thousands of frontline practitioners to counter extremism.

Summary

ISD has tracked the evolving playbook of extremism across the ideological spectrum for nearly 20 years. Our analysis has supported strategic responses by governments, tech companies and communities globally. We have pioneered cutting-edge strategic communication approaches and innovative interventions to counter indoctrination and recruitment targeting communities.

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ISD’s definition of extremism is the advocacy of political and social change in line with a system of belief that claims the superiority and dominance of one identity-based ‘in-group’ over an ‘out-group.’ Extremism advances a dehumanising ‘othering’ mindset incompatible with pluralism and universal human rights. It can be pursued through violent or non-violent means. ISD works to understand and address all ideologies which undermine democratic norms and human rights.

Recent articles

May 27, 2026

Webinar: ISD’s Hannah Rose on understanding online subcultures of nihilistic violence

Hybrid Extremism and Nihilistic Violence, Tech Accountability and Safety

April 20, 2026

Online Domestic Extremism in Canada Data Briefing – June to November 2025

Terrorism and Extremism

April 16, 2026

“It is a racial war:” Analyzing the violent rhetoric of active club members on X

Far-Right Extremism, Targeted Threats, Hate and Abuse, Terrorism and Extremism

March 17, 2026

‘Tribe and train’: Examining Canada’s new model of white supremacist mobilization

Far-Right Extremism, Terrorism and Extremism

March 11, 2026

Islamic State group activity in the US in 2025

Islamist Extremism, Terrorism and Extremism, Threat Analysis and Prevention

March 10, 2026

The 2025 Annual Review of Plots and Attacks Across the US

Hybrid Extremism and Nihilistic Violence, Islamist Extremism, Terrorism and Extremism, Threat Analysis and Prevention

Related ISD projects

Subject Specialists

Sasha Havlicek

Co-Founder and CEO

Julia Ebner

Co-Executive Director, ISD Germany

Moustafa Ayad

Research Chair in Global Islamism & Counter-Terrorism

Milo Comerford

Senior Director of Policy & Research, Counter-Extremism

Zahed Amanullah

Resident Senior Fellow, Networks & Outreach

Kelsey Bjornsgaard

Director of Learning & Development

Jakob Guhl

Director of Policy & Research, Counter-Extremism, Europe

Zoe Manzi

Senior Analyst, Hate & Extremism

Steven Rai

Senior Research Manager

Hannah Rose

Senior Research & Policy Manager, Extremism

Hanna Börgmann

Research & Education Manager

Richard Kuchta

Senior Analyst

Paula-Charlotte Y. Matlach

Analyst

Siddharth Venkataramakrishnan

Analyst and Editorial Manager

Will Baldet

Fellow

Amarnath Amarasingam

Senior Research Fellow

Summary

Online ecosystems have an enormous impact on the offline world. Our threat analysis and prevention practice involves monitoring online extremist ideologies, hostile states and other bad actors to identify and mitigate potential threats before they escalate into offline violence or criminal behaviour. Our team of digital analysts and subject matter experts can research and track a range of bad actors - including extremist groups, radicalised individuals and hostile states - to detect and prevent violent threats.

ISD offers a unique rapid response capability: we can provide partners with real-time analysis of incidents (from global conflicts to politically motivated attacks) at nearly any hour. This support helps stakeholders swiftly respond to evolving crises and minimise harm on the ground. Please email us at [email protected] if you would like to learn more about this work.

Recent articles

May 13, 2026

Building a strategic response to antisemitism in the UK in a changing threat landscape

Antisemitism, Targeted Threats, Hate and Abuse, Tech Legislation and Regulation, Threat Analysis and Prevention

March 11, 2026

Islamic State group activity in the US in 2025

Islamist Extremism, Terrorism and Extremism, Threat Analysis and Prevention

March 10, 2026

The 2025 Annual Review of Plots and Attacks Across the US

Hybrid Extremism and Nihilistic Violence, Islamist Extremism, Terrorism and Extremism, Threat Analysis and Prevention

March 9, 2026

Leaked data ties Canadian Armed Forces members to a ‘white-only’ dating site

Terrorism and Extremism, Threat Analysis and Prevention

January 19, 2026

Landscape Briefing: Mapping Online Male Supremacist Activity in Central and Eastern Europe

Misogyny, Officials and Law Enforcement, Threat Analysis and Prevention

January 12, 2026

True Crime Community associated with tragedy, highlights nihilistic violence’s threat

Hybrid Extremism and Nihilistic Violence, Threat Analysis and Prevention

Related ISD projects

Subject Specialists

Sasha Havlicek

Co-Founder and CEO

Moustafa Ayad

Research Chair in Global Islamism & Counter-Terrorism

Katherine Keneally

Director of Threat Analysis & Prevention

Steven Rai

Senior Research Manager

Summary

Weaponised hate and polarisation have increasingly moved from the fringes into the mainstream of political discussions. This has manifested in threats to and violence against individuals, groups and communities. Radical political parties advance hate into the mainstream, amplified by hostile state actors. At the same time, a range of extremist movements threaten violence and harassment against communities based on their identity.

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ISD defines hate as an activity which seeks to dehumanise, demonise, harass, threaten or incite violence against an individual or community based on their race, religion, ethnicity, sexual orientation, gender, disability or migrant status.

Recent articles

May 29, 2026

Non-Consensual Intimate Imagery (NCII) Abuse

Digital Rights and Protections, Emerging Technologies, Misogyny, Tech Accountability and Safety

May 21, 2026

Addressing the Intersection of Misogyny, Targeted Hate and Violent Extremism

Targeted Threats, Hate and Abuse, Tech Accountability and Safety

May 13, 2026

Building a strategic response to antisemitism in the UK in a changing threat landscape

Antisemitism, Targeted Threats, Hate and Abuse, Tech Legislation and Regulation, Threat Analysis and Prevention

May 5, 2026

Amplifying Antisemitism: How Recommender Algorithms Serve Harmful Content to Children

Antisemitism, Recommender Systems and Algorithms, Tech Accountability and Safety

May 4, 2026

Mapping Digital Hate: A Landscape Review of Online Hate Speech in Jordan

Misogyny, Targeted Threats, Hate and Abuse, Tech Accountability and Safety

May 2, 2026

Recommendation systems and the rapid exposure to antisemitism online

Antisemitism, Recommender Systems and Algorithms, Tech Accountability and Safety

Related ISD projects

Subject Specialists

Sasha Havlicek

Co-Founder and CEO

Kelsey Bjornsgaard

Director of Learning & Development

Jacob Davey

Director of Policy & Research, Counter-Hate

Katherine Keneally

Director of Threat Analysis & Prevention

Hannah Rose

Senior Research & Policy Manager, Extremism

Anna Hiller

Research Analyst

Paula-Charlotte Y. Matlach

Analyst

Will Baldet

Fellow

Jiore Craig

Resident Senior Fellow, Digital Integrity

Summary

ISD is at the forefront of identifying state and non-state actor information manipulation. Our global work has mitigated attempts to harm or manipulate audiences across social media platforms, through emerging crises, conflicts and elections. Our team has detected, analysed and exposed disinformation, misinformation and manipulative online tactics on five continents since 2019. ISD emphasises evidencing the impact of influence efforts on democracies and the failings of tech companies to restrict such efforts.

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Information operations are coordinated efforts by state or non-state actors to manipulate or influence public opinion through the spread of disinformation, misinformation, propaganda and other deceptive tactics.

Disinformation is false, misleading or manipulated content presented as fact, that is intended to deceive or harm. Misinformation is false, misleading or manipulated content presented as fact, irrespective of an intent to deceive. 

Recent articles

May 27, 2026

All operations on Armenia: Russia’s influence machine targets the vote

Democratic Integrity, Foreign Information Manipulation and Interference, Information Warfare and Online Manipulation

April 23, 2026

Iran’s diplomats launch a meme war

Foreign Information Manipulation and Interference, Information Warfare and Online Manipulation

April 15, 2026

How pro-Iran networks gained a billion views on war propaganda

Foreign Information Manipulation and Interference, Information Warfare and Online Manipulation

April 2, 2026

Foreign actors and foreign influence: An exploratory analysis of international state actors targeting Ireland in 2025

Coordinated Inauthentic Behaviour, Data Access and Transparency, Foreign Information Manipulation and Interference

March 31, 2026

Irish unity, Palestine and Soleimani: Analysis of an Iranian information operation targeting Ireland

Coordinated Inauthentic Behaviour, Data Access and Transparency, Foreign Information Manipulation and Interference

March 16, 2026

Dangerous narratives: The ecosystem of Germanic New Medicine

Information Warfare and Online Manipulation, Public Health

Related ISD projects

Subject Specialists

Sasha Havlicek

Co-Founder and CEO

David Salvo

Managing Director for Transatlantic Policy and Programming, ISD-US

Moustafa Ayad

Research Chair in Global Islamism & Counter-Terrorism

Bret Schafer

Senior Director of Policy & Research, Information Operations

Melanie Smith

Senior Director of Policy & Research, Information Operations

Francesca Arcostanzo

Director, Digital Analysis Unit

Mauritius Dorn

Director of Policy & Public Affairs, Germany

Max Read

Director of Civic Innovation

Aoife Gallagher

Senior Analyst

Anna Hiller

Research Analyst

Richard Kuchta

Senior Analyst

Ever Mack

Research Analyst

Paula-Charlotte Y. Matlach

Analyst

Pablo Maristany de las Casas

Analyst

Jiore Craig

Resident Senior Fellow, Digital Integrity

Summary

We believe tech companies have a responsibility to ensure their products are safe and designed in a way that protects and fosters both democracy and human rights. However, as research from ISD and many others has consistently shown, social media platforms and associated technologies often facilitate the spread of extremism, terrorism, hate and information manipulation online. This has been linked to a range of on-and-offline harms, including inciting violence, amplifying disinformation and conspiracy theories, enabling hate speech and harassment, increasing political polarisation, and facilitating radicalisation. The absence of regulatory oversight has meant that tech companies have too often not been held accountable for these harms while public-interest researchers continue to face barriers to studying the inner workings and impacts of their platforms.

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Tech accountability is the responsibility of social media platforms to ensure their products are safe, transparent, and adhere to ethical design principles. It involves answering for their actions—or inactions—that contribute to or exacerbate online harms, as well as committing to regulatory oversight and transparency to create a safer, more responsible digital ecosystem.

Recent articles

May 29, 2026

Non-Consensual Intimate Imagery (NCII) Abuse

Digital Rights and Protections, Emerging Technologies, Misogyny, Tech Accountability and Safety

May 27, 2026

Webinar: ISD’s Hannah Rose on understanding online subcultures of nihilistic violence

Hybrid Extremism and Nihilistic Violence, Tech Accountability and Safety

May 21, 2026

Addressing the Intersection of Misogyny, Targeted Hate and Violent Extremism

Targeted Threats, Hate and Abuse, Tech Accountability and Safety

May 21, 2026

High risk, small platforms: Understanding synthetic non-consensual intimate imagery and community norms on 4chan

Tech Accountability and Safety, Tech Legislation and Regulation

May 13, 2026

Building a strategic response to antisemitism in the UK in a changing threat landscape

Antisemitism, Targeted Threats, Hate and Abuse, Tech Legislation and Regulation, Threat Analysis and Prevention

May 5, 2026

Amplifying Antisemitism: How Recommender Algorithms Serve Harmful Content to Children

Antisemitism, Recommender Systems and Algorithms, Tech Accountability and Safety

Related ISD projects

Subject Specialists

Sasha Havlicek

Co-Founder and CEO

Melanie Smith

Senior Director of Policy & Research, Information Operations

Henry Tuck

Senior Director of Digital Policy

Francesca Arcostanzo

Director, Digital Analysis Unit

Mauritius Dorn

Director of Policy & Public Affairs, Germany

Anna Hiller

Research Analyst

Guy Fiennes

Research Associate

Summary

Education in issues such as digital citizenship is a pathway to social cohesion and resilience against extremism. For decades, ISD has worked with civil society, governments and multinational businesses to build new tools and resources to educate communities. This includes our current Business Council For Democracy (BC4D), a joint initiative of the Hertie Stiftung, the Robert Bosch Stiftung and ISD Germany, which trains German employees on issues related to democratic processes and online harms.

Recent articles

April 14, 2025

The CCOA toolkit: Mainstreaming Digital Human Rights in Education and Civic Action to Combat Online Antisemitism

Antisemitism, Education

February 4, 2025

ISD & TIE launch new educational tool to combat online hate & disinformation in Scotland

Education, Resources

January 27, 2025

Countering Holocaust Denial and Distortion: A Guide for Teachers

Antisemitism, Education, Training and Educational Resources

September 16, 2024

Combatting conspiratorial thinking with “empathy”, open-minded questions

Education, Hybrid Extremism and Nihilistic Violence

August 16, 2024

Jennie King on UK schools teaching children critical thinking skills to spot extremist content

Education, Terrorism and Extremism, Threat Analysis and Prevention

March 3, 2023

Countering pro-Kremlin disinformation targeting Ukrainian refugees in Germany

Anti-Migrant, Education, Resources, Training and Educational Resources

Related ISD projects

Subject Specialists

Theresa Dagge

Educator and Civic Action Coordinator

Summary

With more than 290 member cities and local authorities, Strong Cities is an independent, apolitical, global network of cities dedicated to addressing hate, extremism and other threats to social cohesion. 

Launched at the United Nations in 2015, Strong Cities fills a critical gap in efforts that have typically overlooked the important role cities can and must play in addressing these threats. The network provides a unique forum for members to engage, learn and share best practices with each other.  

 

Recent articles

October 31, 2022

Midline Assessment Report for PROACT: Community-Based Interventions Program in Kenya

Strong Cities

June 17, 2022

Young Cities North Macedonia provides platform for issue-based dialogue

Strong Cities

April 20, 2022

Multi-Stakeholder Models for Local Prevention: Technical Evaluation and Learnings from Kumanovo, North Macedonia

Strong Cities

September 16, 2021

Twenty years after 9/11: Why cities matter more than ever when it comes to preventing and countering violent extremism

Strong Cities, Targeted Threats, Hate and Abuse, Terrorism and Extremism

August 10, 2021

Développement et Mise en Place De Plans D’action Locaux pour Prévenir et Contrer L’extrémisme Violent en Afrique de L’est

Resources, Strong Cities

August 10, 2021

Uundaji Na Utekelezaji Wa Kazi-Mipango Ya Kukinga Na Kuzuia Itikadi Kali Za Ghasia Katika Afrika Ya Mashariki

Resources, Strong Cities

Related ISD projects

Subject Specialists

Eric Rosand

Executive Director, Strong Cities Network

Lara Petricevic-Williams

Director, Europe, Middle East & Africa, Strong Cities Network

Gabriel Camilleri

Communications Manager, Strong Cities Network

Eunhye Lee

Program Manager, Strong Cities Network

Zouhair Racheha

Director of MENA Hub, Strong Cities Network

Caroline Wade

North America Project Coordinator, Strong Cities Network