Terrorism has emerged as one of the most complex and perplexing phenomena the world has faced. In addition to the tactics and ideological complexities, the dynamic nature of terrorism proves itself in the way terrorists adapt new technologies, like computers and other IT tools. Establishing consensus-based, concrete, result-oriented international cooperation in responding to terrorism seems very difficult in practice. However, available mechanisms to facilitate formal or informal cooperation in the area of cybercrime and cyberterrorism may be encouraging. The purpose of this article is to review the current situation with regards to international cooperation in responding to cyberterrorism by assessing the available mechanisms. The article also provides a list of recommendations to facilitate more concrete ways of realizing result-oriented international cooperation. The first section of the article considers the definition of cybterterrorism, along with a typology. The second part of the article analyzes international cooperation, including different forms of international cooperation, public and private cooperation, and international organizations which have facilitated cooperation among different countries. Finally the article provides policy implications as well as a list of recommendations.