The scientific article is devoted to the study of the theoretical legacy of the outstanding sociologist Ralph Gustav Darendorf in relation to the issues of collective security. The authors examine the main provisions of Darendorf's theory of conflicts, which reveal the nature of social contradictions and the mechanisms for their resolution. The article analyzes Darendorf's approaches to conflict resolution and their potential adaptation to modern conditions of national and international security. The article is of interest to researchers, university professors, postgraduate students, and students studying social sciences, as well as representatives of government agencies and organizations involved in ensuring collective security.