In the latest assessments and updates regarding terrorist threats in the United States, several key points have emerged that highlight the ongoing and evolving nature of these threats.
The U.S. Department of Homeland Security's (DHS) recent Homeland Threat Assessment for 2025 underscores that the terrorism threat environment in the United States is expected to remain high. This heightened threat is attributed to several factors, including violent extremist responses to domestic sociopolitical developments and the 2024 election cycle. Domestic violent extremists (DVEs) and homegrown violent extremists (HVEs) inspired by foreign terrorist organizations (FTOs) continue to pose a significant threat, often motivated by a mix of racial, religious, gender, or anti-government grievances, as well as conspiracy theories and personal factors[1].
The assessment also notes that the ongoing conflict in the Middle East, particularly the Israel-HAMAS conflict, has galvanized violent actors and led to increased calls for lone offender attacks against critical infrastructure, including U.S. government buildings and foreign embassies. Groups like al-Qa‘ida and its affiliates have renewed these calls, further exacerbating the threat landscape[1].
In addition to these domestic and foreign extremist threats, the DHS has emphasized the role of adversarial states in malignly influencing U.S. audiences and suppressing critical voices. These state actors are intent on sowing distrust in U.S. institutions and creating division within communities, with some efforts expected to intensify during the 2024 election cycle[1].
The National Terrorism Advisory System (NTAS) bulletins have consistently warned of the persistent and lethal threat posed by lone offenders and small groups motivated by various ideological beliefs and personal grievances. These threats include potential violence targeting U.S. critical infrastructure, faith-based institutions, the LGBTQIA+ community, schools, racial and ethnic minorities, and government facilities and personnel[2].
Recent analyses by the Center for Strategic and International Studies (CSIS) indicate that while the frequency and lethality of jihadist attacks in the United States have decreased since the territorial defeat of the Islamic State in 2019, these attacks remain a serious threat. The CSIS notes that international terrorist organizations have inspired, rather than directed, most jihadist terrorism in the U.S., and that U.S. counterterrorist efforts have likely reduced the number of plots and attacks[3].
The potential resurgence of ISIS in Syria, should U.S. forces withdraw, is another critical concern. Experts warn that without U.S. presence, ISIS could rapidly reconstitute and regain the ability to plan and conduct attacks in the West. The current U.S. military presence in Syria has been crucial in containing ISIS and preventing it from conducting attacks in the West[5].
In summary, the terrorist threat landscape in the United States remains complex and multifaceted, with ongoing threats from domestic and foreign violent extremists, adversarial state actors, and the potential resurgence of groups like ISIS. The DHS and other agencies continue to work closely with law enforcement and community partners to identify, prevent, and respond to these threats, emphasizing the importance of public vigilance and cooperation in maintaining national security.
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