This report provides an in-depth analysis of terrorism, focusing on three key terrorist organizations: Jaish-e-Mohammed (JeM), Lashkar-e-Jhangvi (LeJ), and Harkat-ul-Mujahedeen (HuM). It examines their origins, objectives, operational methods, and the regions they impact, including Pakistan, India, Afghanistan, and the United States. The report highlights the similarities and differences between these groups, detailing their alliances, targets, and specific attacks, such as those in Kashmir and against U.S. interests. It emphasizes the need for effective homeland security policies and strategies to counter the evolving threats posed by these organizations, considering the rise of cyber crime and the evolving nature of terrorism. The analysis includes a review of the attacks made by each of the three organizations, their impact, and the responses by different countries and international bodies. The report concludes by underscoring the importance of continuous monitoring and adaptation in the face of these persistent threats, including the need for increased terrorism budgets and international cooperation.