Cybercrimes have become a modern type of crime pattern. They are characterised by the fact that they transcend the borders of states. This led to the direction of the international community to cooperate to confront cybercrimes, as they have a great impact on the national security of states. Therefore, states and international organisations have sought to take joint measures to protect individuals, societies and companies from cybercrimes by concluding international and regional agreements. The most important of these agreements is the Budapest Convention on Combating Cybercrime, the latest of which is the Paris Call for Confidence and Security in Cyberspace. The increase in the use of the internet results in an increase in exposure to the risk of cybercrime. Moreover, the increasing involvement of individuals and organised criminal groups with the internet can harm states, individuals and companies. This invites regional and international organisations to play an important role in concluding international agreements that consolidate international efforts in cybersecurity. However, although there are important international steps in combating cybercrimes, this effort faces several challenges. In addition, the implementation of international agreements approved by states in combating cybercrime is still problematic. Cybercrime is a global challenge, and any effective response requires coordination between the public and private sectors, including law enforcement agencies across many international jurisdictions. This paper discusses the role of international efforts in combating cybercrime in terms of international legal instruments and the role of international organisations in this context. The paper also presents the most important challenges facing the enforcement of these efforts to achieve international co-operation in confronting this type of emerging crime. The paper uses descriptive and interpretive approaches with analytical methods. It concludes with several recommendations for ways to improve international efforts in combating cybercrimes, including the establishment of an international system for responsibility sharing among states to combat cybercrimes.