Heightened Terrorism Threat Looms in US: Latest Assessments Warn of Diverse Extremist Dangers

In the latest assessments and reports, the threat of terrorism within the United States remains a significant and evolving concern. According to the Homeland Threat Assessment 2025 released by the Department of Homeland Security, the threat of violence from US-based violent extremists is expected to remain high throughout 2025.

The assessment highlights that the primary threat will come from lone offenders or small cells motivated by a variety of grievances, including racial, religious, gender, and anti-government sentiments, as well as conspiracy theories and personalized factors. Recent events, such as the 2024 election cycle and the ongoing Israel-HAMAS conflict, are anticipated to exacerbate these tensions and potentially inspire violence.

Between September 2023 and July 2024, domestic violent extremists (DVEs) driven by anti-government, racial, or gender-related motivations have conducted at least four attacks in the US, resulting in one death. Additionally, law enforcement has disrupted at least seven DVE plots during this period, underscoring the ongoing and active nature of these threats.

International terrorist groups also pose a significant risk. The Defense Intelligence Agency's 2025 Worldwide Threat Assessment notes that ISIS is likely to attempt high-profile attacks in the West, similar to those conducted in France and Belgium in the past. The agency also points out that ISIS affiliates in Afghanistan and Al-Qa’ida’s affiliate in Yemen are among the greatest threats to the US. An incident in January, where an ISIS-inspired lone actor killed 14 people in New Orleans, has reinforced concerns about the group's ability to inspire attacks through propaganda. Furthermore, the arrest of eight individuals with potential ties to ISIS who entered the US through the southern border in spring 2024 highlights the risk of terrorist infiltration via this route.

The Center for Strategic and International Studies (CSIS) has consistently emphasized that far-right terrorism remains the most significant threat within the US. Historical data shows that right-wing attacks and plots have outpaced those from other extremist groups, including those inspired by the Islamic State and al-Qaeda. This trend is expected to continue, with escalating violence potentially linked to major domestic events such as election cycles.

While there have been no major new announcements or incidents regarding terrorism in the US within the past 48 hours, these recent assessments and reports collectively paint a picture of a persistent and multifaceted terrorist threat landscape. The US security community remains vigilant, with ongoing efforts to disrupt plots and mitigate the risks posed by both domestic and international extremist groups.

This content was created in partnership and with the help of Artificial Intelligence AI