From the Barcelona terrorist attack to the killings of innocent students in Peshawar, Pakistan, the globe has been plagued by numerous terrorist attacks. According to the New Yorker, the deaths as a result of terrorist attacks have increased nine-fold since 2000. The emergence of religious extremist groups such as Al Qaeda has provoked fear and violence, exacerbating political instability and socioeconomic disruption in the globalized world. The major presence of terrorism in the modern world has promoted counterterrorist policy formulation worldwide. Intergovernmental offices such as the UN’s Office of Counterterrorism and social initiatives such as Life After Hate are just a few examples of how groups all over the world have dedicated themselves to combating terrorism in the 21st century. In our first Deep Dive, we will closely inspect terrorism in the 21st Century and the rise of Counterterrorism as a response to this growing global threat.