This article demonstrates the similarity of approaches to standardization in the field of cybersecurity carried out by international standardization organizations (ISO, ITU, ETSI), leading regional organizations and selected countries. The authors consider necessary that Ukrainian committees of standardization report on the effectiveness of adopted cybersecurity standards. The harmonization of national with the international standards is essential for saving financial resources and time, and ensuring cross-border cooperation. The article considers a number of standardization organizations and approaches and a list of priority international standards of highest priority for improving the Ukrainian system of regulatory and technical documents on cybersecurity.