Various nations such as the United States and the European Union have come in handy in reducing the influence of the organization in Iraq as they have provided intelligence that has aided security agencies in preventing attacks propagated by ISIS. Moreover, the US has led global coalitions, including Arab Sunni countries, in carrying out airstrikes against ISIS and aiding Kurdish Peshmerga forces in averting the effects of the organization. This research paper, therefore, aims to provide more insight on ISIS as an organization, its ideologies, and the theories upon which it operates. Moreover, the paper sheds more light on Jihad, which is a tenet of Islam and has often been interpreted and practiced across history and geography.