26 Articles
👁 Image
Collection: Just Security’s Counterextremism Initiative
Introducing Just Security's new Collection on the evolving threats of violent extremism and terrorism.
Apr. 3, 2026
Tom Joscelyn
👁 The logo of the Federal Bureau of Investigation (FBI) is seen at the Los Angeles Federal Building in May 2025. (Photo by PATRICK T. FALLON/AFP via Getty Images)
How the DOJ is Prosecuting Nihilistic Violent Extremism as Domestic Terrorism
The DOJ has charged an alleged nihilistic violent extremist with conspiracy to provide material support to terrorists for the first time.
Dec. 9, 2025
Luke Baumgartner and Barry Jonas
👁 Hungarian activists of the neo-Nazi Blood and Honour group hold flags in Budapest 11 February 2006 as participants bring wreaths at the tomb of Unknown Soldier in Heroes Square in Budapest where a German WWII helmet and wood cross were placed. More than 600 people attended the event to commemorate the 60th anniversary of the ill-fated escape attempt of Nazi German and Hungarian soldiers from Buda Castle, which was besieged 11 February 1945 by the Soviet Red Army at the end of World War II. (Photo by ATTILA KISBENEDEK/AFP via Getty Images)
State Dept’s Foreign Terrorist Designations Undermine Claims of “Antifa” Threat
Leading counter-extremism expert unpacks the administration's claimed designation of "Antifa Groups"
Nov. 19, 2025
Tom Joscelyn
👁 The Just Security Podcast Cover Image
The Just Security Podcast: Examining the Trump Administration’s New Antifa Designations
Tom Joscelyn talks with former DOJ counsel Tom Brzozowski about new Antifa designations, their civil liberties impact, and changing limits on speech and association.
Nov. 17, 2025
Thomas E. Brzozowski and Tom Joscelyn
👁 In this photo illustration the logo of US online social media and social networking site 'X' (formerly known as Twitter) is displayed centrally on a smartphone screen alongside that of Threads (L) and Instagram (R) on August 01, 2023 in Bath, England. On the top row the logo of online video sharing and social media platform YouTube is seen alongside that of Whatsapp and TikTok. Along the bottom row Facebook, Quora amd Messenger are displayed.
The Feedback Loop Between Online Extremism and Acts of Violence
Each new incident of political violence is followed by a wave of digital celebration, intimidation, and imitation. Responses remain polarized and superficial.
Nov. 10, 2025
Mariana Olaizola Rosenblat
👁 U.S. President Donald Trump (C) speaks as (L-R) White House Deputy Chief of Staff Stephen Miller, White House Chief of Staff Susie Wiles, U.S. Attorney General Pam Bondi, U.S. Secretary of Homeland Security Kristi Noem and Federal Bureau of Investigation Director Kash Patel listen during a roundtable discussion in the State Dining Room of the White House on October 08, 2025 in Washington, DC. Trump’s administration held the roundtable to discuss the anti-fascist Antifa movement after signing an executive order designating it as a “domestic terrorist organization”. (Photo by Anna Moneymaker/Getty Images)
How Designating Antifa as a Foreign Terrorist Organization Could Threaten Civil Liberties
If the Trump administration designates Antifa as an FTO, it could have implications extending beyond anti-fascist activists to the entire architecture of U.S. civil society.
Oct. 27, 2025
Thomas E. Brzozowski
👁 A police officer responds to a shooting at Evergreen High School on September 10, 2025 in Evergreen, Colorado. At least three students, including the suspected shooter, were injured in the attack. (Photo by Michael Ciaglo/Getty Images)
Correctly Assessing Left-Wing Terrorism and Political Violence in the United States
A recent published report risks feeding false narratives about political violence and polarization.
Oct. 21, 2025
Michael Jensen and Amy Cooter
👁 Right-wing white nationalists hold flags with signs like "white pride worldwide."
A New Approach in the Fight Against Transnational Violent Extremism is Needed
If the U.S. and foreign partners could strategically deploy their counterterrorism programs to deliberately target a common enemy, all would mutually benefit.
Oct. 8, 2025
Thomas E. Brzozowski
👁 Police maintain a presence outside a command center holding evacuated students following the lockdown of the school after a call of an active shooter on March 29, 2023 in Pittsburgh, Pennsylvania. Many schools, including Oakland Catholic and Pittsburgh Central Catholic, were targeted as part of what authorities are calling "computer-generated swatting calls." Many agencies, including state and municipal police, are conducting investigations. (Photo by Jeff Swensen/Getty Images)
Swatting Attacks and Nihilistic Violent Extremism: A Primer
Swatting attacks are sometimes dismissed as pranks or hoaxes. But they’ve wreaked havoc on college campuses this year and a network of extremists is behind many of them.
Oct. 7, 2025
Mackenzie Harms
👁 Image
Assassinations in America: How Political Violence Became Personal
Americans can no longer turn to their political leadership to avert the catastrophe of political violence.
Oct. 1, 2025
Bruce Hoffman and Jacob Ware
👁 Image
Children, Young People and the Emerging Terrorism Threat Landscape
Prevention efforts must shift toward a model that addresses the systemic drivers and underlying causes of youth vulnerability to violent extremism.
Sep. 26, 2025
Bettina Rottweiler, Caitlin Clemmow and 2 more
👁 U.S. President Donald Trump signs an Executive Orde
Repression as Rescue: The Authoritarian Logic of Trump’s Early Executive Orders
The rhetorical threats Trump employed during his campaign are directly echoed in the titles and content of his second-term EOs.
Sep. 25, 2025
Cathy Buerger