
ISD
Extremism, hate and disinformation online; empirical monitoring of how platforms host and spread harmful content.
- Type
- Institute for Strategic Dialogue — independent think tank
- Based in
- London, UK
- Investigations
- 13
- Platforms tracked
- 5
- Active since
- 2023
- Latest report
- Jun 2026
Topics covered
- Hate Speech & Extremism10
- Algorithmic Harm & Recommender Systems3
- Content Moderation3
- Child Safety & Minors2
- Election Integrity2
- Misinformation & Disinformation2
- Platform Compliance & Governance2
- Gender-Based Violence & Harassment1
Watchdog vs. platform
Publicly documented legal proceedings, access disputes, or other platform pushback. Allegations, findings, and outcomes are labelled separately and linked to their sources.
No sourced legal or practical dispute has been documented for ISD yet. Know of one?
Add a sourced caseResearchers
Current
- Ella Meyer2
- Ellen JacobsDigital Policy Manager, ISD US2
- Allison Castillo1
- Anna HillerResearch Analyst1
- Charlotte Drath1
- Ciarán O'Connor1
- Clara MartinyDigital Research Analyst1
- Eva F. Hevesi1
- Hanna BörgmannResearch & Education Manager, ISD Germany1
- Helena SchwertheimSenior Digital Policy & Research Manager1
- Ihsan Al KhleifatISD Jordan1
- Isabelle Frances-Wright1
- Jacob Davey1
- Jared Holt1
- Kevin D. ReyesSenior OSINT Specialist1
- Lucy CooperDigital Research Analyst, ISD US1
- Max ReadDirector of Civic Innovation1
- Melanie Döring1
- Milo Comerford1
- Pablo Maristany de las CasasAnalyst1
- Paula-Charlotte Y. MatlachAnalyst1
- Terra Rolfe1
- Zain HakimISD Jordan1
Reports
Full database2026
3 reports- Jun 2026X/TwitterMetaYouTubeTelegramCross-platform
Online Domestic Extremism in Canada Data Briefing (Dec 2025-Feb 2026)
Recurring data briefing tracking violent-extremist activity across major platforms in Canada; consistently finds Telegram the leading platform for such activity.
Hate Speech & Extremism - May 2026TikTokOther
Amplifying Antisemitism: How Recommender Algorithms Serve Harmful Content to Children
Using 10 simulated 15-year-old accounts (5,500+ videos), teens were exposed to antisemitic content within hours; TikTok pathways escalate from mainstream to neo-Nazi content while Rumble surfaced overt antisemitism from the outset.
Hate Speech & ExtremismChild Safety & MinorsAlgorithmic Harm & Recommender SystemsArt. 28 — Protection of minors - Apr 2026Meta
Online Hate & Harassment Targeting Public Figures and Influencers on Instagram in Jordan
Analyzes the scale and nature of hate and harassment directed at public figures and influencers on Instagram in Jordan.
Hate Speech & ExtremismContent ModerationBy Zain Hakim and Ihsan Al Khleifat
2025
3 reports- Feb 2025X/TwitterTelegramCross-platform
Generative AI and the German Far Right: Narratives, Tactics and Digital Strategies
Documents how German far-right actors use generative AI to produce and spread propaganda across social platforms, with new narrative and digital-strategy tactics.
Hate Speech & ExtremismMisinformation & Disinformation - Feb 2025TikTok
Recommending Hate: How TikTok's Search Algorithms Reproduce Societal Bias
After entering racist/misogynistic slurs, ~two-thirds of examined videos perpetuated harmful stereotypes; across four languages, search and recommendation algorithms connected users to content targeting marginalized groups.
Hate Speech & ExtremismAlgorithmic Harm & Recommender SystemsGender-Based Violence & HarassmentBy Paula-Charlotte Y. Matlach, Allison Castillo, Charlotte Drath and Eva F. Hevesi
- Jan 2025Cross-platformOther
Behind the Curtain: Unveiling Pro-Kremlin Ecosystems in Europe
Maps pro-Kremlin information ecosystems operating across European social media and web infrastructure, detailing coordinated influence and foreign interference tactics.
Misinformation & DisinformationElection Integrity
2024
5 reports- Oct 2024Other
Online Safety and the Regulation of Gaming Platforms and Services
Examines extremism and safety risks on gaming platforms and services and the regulatory gaps in addressing them.
Platform Compliance & GovernanceChild Safety & MinorsBy Ellen Jacobs, Helena Schwertheim, Ella Meyer, Melanie Döring and Terra Rolfe
- Sept 2024TikTokX/TwitterMetaYouTubeCross-platform
US Election Platform Preparedness: Comparative Analysis
Assessed platforms across six areas ahead of the 2024 US election; the most alarming common finding was a pervasive lack of transparency about policies, safety efforts and resourcing.
Election IntegrityPlatform Compliance & GovernanceArt. 34/35 — Systemic riskBy Ellen Jacobs, Ella Meyer, Clara Martiny, Max Read and Isabelle Frances-Wright
- Sept 2024TikTok
TikTok and Anti-Migrant & Anti-Refugee Content
Of 104 analyzed videos, only 3.8% were removed; comments calling for harm to migrants persisted for months, and TikTok's search recommended deliberate misspellings that evaded moderation.
Hate Speech & ExtremismContent ModerationAlgorithmic Harm & Recommender SystemsBy Kevin D. Reyes and Lucy Cooper
- Sept 2024TikTok
TikTok and White Supremacist Content
White supremacist content remained readily available; of 108 sampled videos, 70 were uploaded within the prior three months, and a network of neo-Nazi accounts amassed millions of views.
Hate Speech & ExtremismBy Ciarán O'Connor and Jared Holt
- Jan 2024Telegram
Quantifying extremism: UK riot-related far-right Telegram networks
Data-driven analysis of ~45,000 messages during the 2024 UK riots mapping far-right Telegram networks.
Hate Speech & Extremism
2023
2 reports- Dec 2023TelegramCross-platform
In the Blind Spot: Right-wing Extremists on Alternative and Established Platforms
Analysis of how German-language right-wing extremists build and migrate infrastructure across both mainstream and alternative platforms, exposing moderation 'blind spots.'
Hate Speech & ExtremismContent Moderation - Mar 2023X/Twitter
Antisemitism on Twitter Before and After Elon Musk's Acquisition
With CASM Technology: weekly average English-language antisemitic tweets rose 106% after Musk's takeover and new antisemitic-posting accounts more than tripled, with no evidence 'deboosting' reduced engagement.
Hate Speech & ExtremismBy Carl Miller, David Weir, Shaun Ring, Oliver Marsh, Chris Inskip, Nestor Prieto Chavana, Jacob Davey and Milo Comerford