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.

Threat Analysis and Prevention

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.

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

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

December 23, 2025

Bondi Beach: The hallmarks of an Islamic State attack 

Antisemitism, Islamist Extremism, Threat Analysis and Prevention

December 15, 2025

Online spaces now sit at the centre of some extremist networks

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

November 12, 2025

From sextortion to violence: The threat of the 764 network in the US

Misogyny, Threat Analysis and Prevention

Further Reading

July 29, 2023

Profile on Julia Ebner for The Times: “My life undercover” infiltrating extremist groups

ISD’s Senior Resident Research Fellow Julia Ebner was interviewed by The Times about her research career and her latest book.

Targeted Threats, Hate and Abuse, Terrorism and Extremism, Threat Analysis and Prevention

July 21, 2023

‘Sustainability’ festival cancelled after activists expose it as a conspiracy theorist event

ISD’s Ciarán O’Connor spoke to VICE about the ‘Think Local Festival’ that was cancelled after organisers were exposed as being conspiracy theorists.

Antisemitism, Foreign Information Manipulation and Interference, Hybrid Extremism and Nihilistic Violence, Targeted Threats, Hate and Abuse, Terrorism and Extremism, Threat Analysis and Prevention

June 28, 2023

Telegram, the app of choice for following Yevgeny Prigozhin and Russia’s War in Ukraine

ISD's Jared Holt spoke to the Atlantic about how Telegram became central to follow developments in Russia's invasion of Ukraine.

Tech Accountability and Safety, Terrorism and Extremism, Threat Analysis and Prevention

June 9, 2023

A field guide for assessing chances of online-to-offline mobilization 

ISD outlines 6 factors for assessing polarized topics and potential protests, noting common miscalculations in hysteria over online environments.

Terrorism and Extremism, Threat Analysis and Prevention, Threat Detection and Analysis

April 3, 2023

Officials react to online chatter of Trump protest ahead of former president’s arraignment in NY

ISD's Katherine Keneally spoke to CNN about one of the narratives dissuading pro-Trump supporters to react following his arraignment.

Far-Right Extremism, Terrorism and Extremism, Threat Analysis and Prevention

April 2, 2023

A new take at an old conspiracy: “In this iteration, ‘they’ are going to make you eat bugs”

ISD's Ciarán O'Connor shares insights with NPR on the spread of conspiracies about eating bugs that has become prevalent on social media.

Foreign Information Manipulation and Interference, Hybrid Extremism and Nihilistic Violence, Information Warfare and Online Manipulation, Threat Analysis and Prevention

April 1, 2023

Pro-Trump communities react “unenthusiastically” at news of Trump indictment

ISD's Jared Holt features in NPR and NBC News commenting on how the indictment news has been received, among pro-Trump communities.

Far-Right Extremism, Terrorism and Extremism, Threat Analysis and Prevention

March 26, 2023

Patriotic Alternative looks to stir local sentiments of Welsh town against asylum seekers

ISD's Tim Squirrell contributed to a BBC article discussing a Welsh town's pushback against the influence of a white nationalist.

Far-Right Extremism, Targeted Threats, Hate and Abuse, Terrorism and Extremism, Threat Analysis and Prevention

March 15, 2023

Extremist language choices and false information fuelling dynamic against immigrants in Ireland

In this documentary for TG4, ISD's Ciarán O'Connor provides commentary and research into the rise of the anti-immigration movement in Ireland.

Anti-Migrant, Far-Right Extremism, Targeted Threats, Hate and Abuse, Terrorism and Extremism, Threat Analysis and Prevention

February 27, 2023

Conspiracy on 15-minute cities may have worrying, long-term impacts on climate action

ISD's Jennie King spoke to CNN about the origin of the 15-minute city conspiracy and why it's causing such an uproar on social media.

Democratic Integrity, Foreign Information Manipulation and Interference, Hybrid Extremism and Nihilistic Violence, Threat Analysis and Prevention

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