In the latest assessments and updates from the U.S. Department of Homeland Security (DHS), the threat environment for terrorism in the United States remains heightened, with several key factors and recent developments highlighting the ongoing risks.
According to the DHS's Homeland Threat Assessment 2025, the terrorism threat in the U.S. is expected to remain high over the next year. This is driven by a combination of domestic and foreign violent extremist actors, as well as the enduring intent of Foreign Terrorist Organizations (FTOs) like ISIS and al-Qa‘ida to conduct or inspire attacks within the country. The assessment notes that violent extremist responses to domestic sociopolitical developments, including the 2024 election cycle, and the ongoing conflict in the Middle East, particularly the Israel-HAMAS conflict, are significant drivers of this threat[1].
Domestic Violent Extremists (DVEs), motivated by various ideologies such as anti-government, racial, or gender-related grievances, continue to pose a persistent and lethal threat. Between September 2023 and July 2024, DVEs conducted at least four attacks in the U.S., resulting in one death, and law enforcement disrupted at least seven additional DVE plots. These actors often act as lone offenders or in small cells, making it challenging to predict their targets due to their vague or unrelated pre-attack statements online[1].
The National Terrorism Advisory System (NTAS) Bulletin, updated recently, reinforces this heightened threat environment. It warns that lone offenders and small groups, motivated by ideological beliefs and personal grievances, continue to exploit online forums to spread violent extremist narratives and promote violent activity. Upcoming events, such as the 2024 general election cycle, legislative or judicial decisions on sociopolitical issues, and religious holidays with associated mass gatherings, are identified as potential catalysts for violence. Targets of potential violence include public gatherings, faith-based institutions, schools, racial and religious minorities, government facilities, critical infrastructure, the media, and perceived ideological opponents[2][3].
Foreign terrorist organizations are also actively seeking to influence and mobilize violence in the U.S. through media calls and online messaging. For instance, following the recent terrorist attack by HAMAS against Israel and subsequent Israeli operations in Gaza, groups like al-Qa‘ida have renewed calls for lone offender attacks against U.S. critical infrastructure, including government buildings and foreign embassies[1].
In response to these threats, DHS is working closely with federal, state, local, tribal, and territorial partners to share timely and actionable information and intelligence. Initiatives such as the Prevention Resource Finder (PRF) website and the Nationwide Suspicious Activity Reporting (SAR) Initiative are part of the efforts to prevent and mitigate targeted violence and terrorism. The public is also encouraged to remain vigilant and report suspicious activity through the "If You See Something, Say Something" campaign[3].
Overall, the current threat landscape in the U.S. underscores the need for continued vigilance and cooperation among all levels of government, the private sector, and local communities to address the complex and evolving nature of terrorist threats.
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