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.

Antisemitism

Threats to Jewish communities and weaponised antisemitism are on the rise, driven by extremists, hostile governments and conspiracy theorists.

Combining our best-in-class digital research techniques with in-depth subject matter knowledge of extremist movements, ISD tracks antisemitism at scale and informs policymakers globally. We also build capacity amongst civil society groups through initiatives such as our Coalition to Combat Online Antisemitism (CCOA).

May 13, 2026

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

Amid recent attacks on the Jewish community, this brief calls for a PM-led framework linking digital regulation, prevention & counter-extremism.

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 2, 2026

Recommendation systems and the rapid exposure to antisemitism online

Antisemitism, Recommender Systems and Algorithms, Tech Accountability and Safety

April 22, 2026

The impact of the war with Iran on antisemitic discourse

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

December 23, 2025

Australian Jewish leaders urge government action to combat antisemitism

Antisemitism

December 23, 2025

Bondi Beach: The hallmarks of an Islamic State attack 

Antisemitism, Islamist Extremism, Threat Analysis and Prevention

December 22, 2025

Recent arrests in Toronto highlight Islamic State threat to Jewish community

Antisemitism, Islamist Extremism

December 22, 2025

Antisemitism across the extremes: A deep-dive on US-based violent online networks

Antisemitism, Hybrid Extremism and Nihilistic Violence

October 10, 2025

The Manchester synagogue terrorist attack: A snapshot of online antisemitism and extremist exploitation

Antisemitism, Terrorism and Extremism

Further Reading

February 8, 2023

‘White Genocide’

The 'white genocide' conspiracy theory holds that there is a deliberate plot to erase whiteness.

Anti-Migrant, Anti-Muslim, Antisemitism, Far-Right Extremism, Hybrid Extremism and Nihilistic Violence

September 20, 2022

The ‘New World Order’

The 'New World Order' conspiracy theory claims a secretive elite aims to establish a global totalitarian government.

Antisemitism, Foreign Information Manipulation and Interference, Information Warfare and Online Manipulation

September 16, 2022

The Order of Nine Angles

A decentralised, Satanist, neo-Nazi organization that has spread and become increasingly influential among accelerationist neo-Nazi groups.

Anti-Migrant, Antisemitism, Far-Right Extremism, Foreign Information Manipulation and Interference, Hybrid Extremism and Nihilistic Violence, Targeted Threats, Hate and Abuse

May 5, 2022

An antisemitic conspiracy theory is being shared on Telegram to justify Russia’s invasion of Ukraine

This Dispatch explores how the antisemitic “Khazarian Mafia” conspiracy theory is being directed at the war in Ukraine.

Antisemitism, Foreign Information Manipulation and Interference, Information Warfare and Online Manipulation

April 8, 2022

ISD and B’nai B’rith, in partnership with UNESCO, release a guide on combatting online antisemitism

ISD- and B’nai B’rith International's, in partnership with UNESCO, guide on combatting antisemitism online was covered by the Jewish News Syndicate.

Antisemitism

April 7, 2022

Online Antisemitism: A Toolkit for Civil Society

This toolkit from ISD and B’nai B’rith, in partnership with UNESCO, provides insights to help drive civil society responses to online antisemitism.

Antisemitism, Training and Educational Resources

February 22, 2022

German-language antisemitic comments on YouTube

This Dispatch looks at German-language YouTube videos which are attracting hate speech against Jewish people in their comment sections.

Antisemitism, Tech Accountability and Safety

December 3, 2021

Antisemitism and racist content buried in hours of podcast material on Spotify

ISD's Jacob Davey spoke with Sky News on their investigation into extremist material on the popular streaming platform Spotify.

Antisemitism, Terrorism and Extremism

December 1, 2021

German elections: ISD finds that right-wing party AfD greatly benefitted from the online climate debate

During the 2021 German federal elections, ISD found that Alternative für Deutschland was the party most benefitting from the climate change debate.

Anti-Migrant, Antisemitism, Democratic Integrity, Far-Right Extremism

June 28, 2021

The overlap between QAnon narratives and antisemitic tropes

Aoife Gallagher speaks with the Morning Consult about how QAnon believers often also follow antisemitic tropes.

Antisemitism, Far-Right Extremism

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