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Keeping the Lights On: How Cloudflare Sustains Violent Extremism, Graphic Violence and Terrorism Online
Report
This report details the real human impact of some of the sites Cloudflare sustains and evaluates the systemic policy and enforcement gaps that allow them to remain operational.
En 2025, la ADL registró un récord histórico de agresiones antisemitas y ataques con armas letales, el tercer año con más incidentes antisemitas en total
Press Release
Los judíos en EE.UU. fueron atacados en promedio 17 veces al día; los incidentes de agresión con armas letales aumentaron un 39 % Nueva York, NY, 6 de mayo de 2026 … El año 2025 fue uno de los períodos más violentos para los judíos estadounidenses; las agresiones físicas alcanzaron niveles récord y, por primera vez desde 2022, los ataques antisemitas provocaron muertes en suelo estadounidense y víctimas mortales…
Short Dialogues with AI Reduce Belief in Antisemitic Conspiracy Theories
Report
A groundbreaking study supported by ADL found that fact-based dialogues with a trained AI chatbot durably reduced antisemitic conspiracy beliefs and increased favorability toward Jews.
The Antisemitic Environment: How Social and Media Exposures Predict Antisemitic Beliefs
Report
An analysis of how friends, family, religious institutions, talk radio, pop culture, politicians and social media predict anti-Jewish and anti-Israel attitudes.
Top 10 Heartbreaking Moments of Hate in 2021, and How ADL Responded
Report
The year 2021 was marked by a series of heart-wrenching setbacks in the fight against hate around the world. From the Capitol insurrection on January 6 to brazen attacks on Jews, Asian Americans, and other marginalized groups in the streets of New York and Los Angeles, these events drew back the curtain on the prevalence of antisemitism and racism, fueled hatred in our communities and fostered division across society.
Fortunately, they did not come without repercussions or a response…
As the year draws to a close, ADL looks back on the moments from 2021 that gave us hope and encouragement that our hundred-plus-year fight against antisemitism and hate is making progress.
And there were plenty of big, inspirational moments to choose from in 2021: A $26 million verdict against the white supremacists responsible for Charlottesville; the launch of a $1.1 billion foundation to help prevent Anti-Asian hate crimes; and meaningful legal victories against racially motivated…
How Platforms Rate on Hate: Measuring Antisemitism and Adequacy of Enforcement Across Reddit and Twitter
Report
How much hate exists online, and how large is its reach? Is it possible to independently evaluate the claims tech companies make about the amount of hate on their platforms and how effectively they are addressing it? To answer these questions, ADL Center for Technology and Society (CTS) is building the Online Hate Index (OHI), a machine learning system that detects hate targeting marginalized groups on online platforms. This report presents the inaugural findings of the OHI’s…
Online Holocaust Denial Report Card: An Investigation of Online Platforms' Policies and Enforcement
Report
ADL Center for Technology and Society has published an updated Holocaust denial report card as of April 2023. Click HERE to view the new data.
The Holocaust, the systematic murder of approximately six million Jews and several million others by the Nazis, is one of history's most painstakingly examined and well-documented genocides.
Nevertheless, in the decades since World War II, a small group of antisemites has repeatedly attempted to cast doubt on the facts of the Holocaust…
From the Boston Marathon Bombing in 2013 to the white supremacist shooting in El Paso earlier this year, from the detention and dehumanization of immigrant children at the border to the largest anti-Semitic attack in United States history last year, this decade was bookended and interspersed by a series of all-too-frequent tragedies, many perpetrated by extremists from across the ideological spectrum and others the result of wrongheaded government policy. Over the past decade, seven of the top…
Hate-fueled mass shootings horrifyingly make up half of our 2019 Top Ten Incidents of Hate List. Three of the shootings took place in houses of worship: two synagogues, and two mosques. One of those shootings was on the holiest day of the year, Yom Kippur. Three perpetrators were white supremacists, two are believed to have ties to an anti-Semitic sect of the Black Hebrew Israelite movement. Two shootings were overseas, three of them spanned both coasts of the U.S. Hate spread across the…
In a year characterized by a number of high-profile acts of hate, there still were many remarkable moments of hope and inspiration. Here are some of the stories that energized and uplifted us in 2018. Many of these involved moments when Americans and people from around the world and from all walks of life came together to be an ally, advocate, or activist.
In an inspiring show of interfaith solidarity, Muslim organizations working in partnership with the Islamic Center of Pittsburgh…
For five years, Sheikh Faisal was the “religious sanctioner” for the foremost Islamist extremist group in the U.S., Revolution Muslim. From 2007-2011, Revolution Muslim brought Al-Qaeda’s ideology to the United States and, with it, a rabid anti-Semitism.
In its annual Audit of Anti-Semitic Incidents, ADL found that the number of anti-Semitic incidents in the U.S. rose 57 percent in 2017 – the largest single-year increase on record and the second highest number reported since ADL started tracking such data in 1979. The sharp rise was in part due to a significant increase in incidents in schools and on college campuses, which nearly doubled for the second year in a row.
ADL identified 1,986 anti-Semitic incidents perpetrated…
ADL CEO Jonathan Greenblatt Delivers 2026 State of Hate at Never Is Now
Press Release
(As delivered) Over the past year, 20 Jews -- our brothers and sisters -- were murdered. For Jewish people in the diaspora, 2025 was one of the deadliest years in memory. The victims were children and grandparents. Observant and secular. They were from every corner of the globe: Manchester, England; Washington, DC; Boulder, Colorado; and Bondi Beach, Australia. And last week, a terrorist wanted to add West Bloomfield, Michigan to that list. He drove a car packed with…
ADL has tracked at least 65 attacks on synagogues worldwide in the past decade — with the pace accelerating sharply since the October 7, 2023, Hamas-led terror attacks on Israel
El Informe sobre antisemitismo en los campus 2026 de la ADL revela avances significativos a medida que las universidades colaboran con la ADL
Press Release
La mitad de las instituciones evaluadas obtiene calificaciones más altas a medida que se establecen estándares más claros y mecanismos de aplicación más firmes; sin embargo, nuevos datos de encuestas a estudiantes revelan la persistencia de actitudes antijudías y una exposición continua a conductas antisemitas. Nueva York, NY, 10 de marzo de 2026 – La Liga Antidifamación (ADL) publicó hoy su tercer Informe anual…
Military Operation Against Iranian Regime Fuels Wave of Antisemitic Conspiracy Theories, Calls for Mobilization
Article
The U.S. and Israeli military operation against the Iranian regime triggered an immediate surge of antisemitic, anti-Zionist and conspiratorial commentary that spanned the ideological spectrum. COE is tracking 7 rhetorical trends.
Nuevo Índice de IA de la ADL: seis modelos líderes muestran fallas para detectar y frenar el antisemitismo y el extremismo
Press Release
El estudio de la ADL identifica brechas importantes en el desempeño de varios de los principales modelos de IA evaluados para detectar y contrarrestar contenido antisemita y extremista; Claude, de Anthropic, supera al resto Nueva York, NY, 28 de enero de 2026... Según el nuevo Índice de IA de la Liga Antidifamación (ADL) publicado hoy, seis de los principales modelos de IA muestran capacidades variadas para detectar prejuicios contra los judíos y los…