The article analyzes the stages and reasons for involvement of the Islamic world in digital wars and the cyber arms race. Digital threats are carried not only by Muslim states that claim to be regional leaders in the Middle East, South and Southeast Asia, but also by non-state actors - groups of highly skilled hackers, hacktivists, «lone wolves», radical extremist Islamist groups. The realities of the digital age significantly enhance the heterogeneity and inconsistency of the modern Islamic world. It puts on the international agenda the question of increasing global cooperation in the cyber arm control process as well as the settlement of the most pressing issues of Muslim countries and communities.