Welcome to ADL’s online harassment help and resource guide. We know online harassment can be a scary and alienating experience, and we want to ease that pain as much as we can. If you feel you are in danger, contact law enforcement.
If you are being harassed online, know you are not alone. This harassment is not a reflection of your self-worth.
Step back and try to envision the outcome you want and try to proceed with that in mind.
Depending on the outcome you are seeking,…
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Executive Summary
The American public has become increasingly aware of online hate and harassment in recent years. The scale and complexity of online hate has reached unprecedented levels as seen in sustained online harassment campaigns that violently threaten journalists to organized racist attacks launched against an African-American student leader by a far-right online community. High-profile targets of coordinated online harassment — such as Jewish journalists and African-American…
Each year, ADL’s Center on Extremism tracks murders perpetrated by all types of extremists. In 2018, every single extremist killing — from Pittsburgh to Parkland — had a link to right-wing extremism. This report provides key insights into the crimes, including motivations behind these violent attacks.
The following report is an analysis of computational propaganda, the Jewish American community, and the 2018 elections. As part of the wider paper series focused on “humanizing the effects of computational propaganda” this empirical work details the ways in which the Jewish socio-religious population in the U.S. is being disproportionately targeted with disinformation and abuse during this crucial political moment.
New Challenges Ahead for the Next Generation of Social Media The timeless mission of the Anti-Defamation League (ADL) is to stop the defamation of the Jewish people and secure justice and fair treatment to all. The mission of ADL’s Center for Technology and Society is to ask the question “How do we secure justice and fair treatment for all in a digital environment?”
Since 1985, when it published its report on “Electronic Bulletin Boards of Hate,” ADL has…
The ongoing military conflict in Iran has the potential to reshape the country, not least for its diverse range of religious and ethnic minorities. While Iran has a deep and ancient history of religious and ethnic pluralism, the 1979 revolution set in motion almost five-decades of systematic persecution against the country's minority communities and Iranian women in the name of the Islamic Republic. Since 1979, the Islamic Republic has imposed a theocratic order…
Online toolkit empowers parents and educators to identify biased and inaccurate materials on antisemitism, the Holocaust, and Jewish history New York, NY, January 14, 2026 – Today, the Anti-Defamation League (ADL) launched an online toolkit to help parents and educators evaluate whether content on antisemitism, the Holocaust, Jewish identity, and history is accurate and unbiased. In an age of evolving technology, educators are drawing from a variety of sources to create curricula…
Empower K-12 educators to advocate against antisemitism from colleagues, unions, or students. Create safe, inclusive school climates through direct advocacy.
Immediate Response and Reporting When educators face antisemitic incidents in the classroom, the first priority is to stop the harm and stabilize the classroom. For guidance on incident response specifically, you can view ADL’s bias incident response guide for educators. While an immediate response is crucial, consistent with governing law and school/district policies, it’s also critical to continue proactive advocacy work – ensuring school leadership strengthens systems…
This portion of the toolkit will equip educators with the necessary steps to support students who are facing antisemitism
This portion of the educator advocacy toolkit will equip educators with the skills to handle problematic situations with colleagues.
New York, NY, December 9, 2025 … Open-source AI models can easily be manipulated to generate antisemitic and dangerous content, according to new ADL (the Anti-Defamation League) research. The study by the ADL Center for Technology & Society reveals significant vulnerabilities in popular and widely used open-source Large Language Models (LLMs) that could be exploited by malicious actors. ADL researchers tested 17 open-source models, including Google's Gemma-3, Microsoft's…
Empower parents, caregivers and families of Jewish students with resources to proactively engage with school leaders and enhance student experiences.
ADL has been closely tracking how states are addressing antisemitism and supporting their Jewish communities. In 2024, ADL tabulated 9,354 antisemitic incidents across the United States – a 5% increase from 2023, a 344% increase over the past five years, and an 893% increase over the past decade. These numbers underscore the urgent need for state-level action. As highlighted in our first-of-its-kind Jewish Policy Index (JPI), our goal is to provide a tool that advocates, educators and…
ADL Education offers educators guidance on the importance of prioritizing the pronunciation of their students names.
New York, NY, July 21, 2025 … The ADL (Anti-Defamation League) Center for Technology and Society (CTS) and JLens, an ADL affiliate, announced today that Electronic Arts (NASDAQ: EA) and Take-Two Interactive (NASDAQ: TTWO), two of the world’s most prominent video game publishers, have made significant strides in strengthening their community standards by adopting updated policies explicitly addressing extremism and terrorism. These changes follow a series of engagements with JLens…
New York, NY, July 2, 2025 ... ADL (the Anti-Defamation League) today issued the following statement in response to the decision from the U.S. Department of Health and Human Services Office for Civil Rights regarding Harvard University: The U.S. Department of Health and Human Services Office for Civil Rights issued a decision with detailed findings of fact and legal analysis that confirms what has been widely known for years: Harvard University violated Title VI of the Civil Rights Act by…
New York, NY, June 26, 2025 … ADL (the Anti-Defamation League) today called on all candidates for elected office, including those running in the New York City mayoral election, to disassociate themselves from and avoid using language that plays into antisemitic tropes and stereotypes. “At this time of record antisemitism, our country needs leaders at all levels who are unequivocal in condemning this oldest of hatreds,” said Jonathan Greenblatt, ADL CEO. “We call on all…
Episode 4.9Long, long ago – like 2013 – going viral frequently meant being named, shamed and canceled. These days, you're just as likely to receive accolades – and a nice, tidy payday – as you are to receive scorn. Join Oren and Jessica as they delve into the online riches of going bigotedly viral. Subscribe and ListenYou’ll come away with timely, expert insights into the extremist landscape.
Amid a spate of violent antisemitic attacks in recent weeks, too many online platforms are failing to enforce their policies or rolling back rules meant to keep users safe.