This article explores the existing international cybersecurity regimes, focusing on the various roles of international organizations. At present, the prevailing approach of such organizations is fragmented and often at odds with national-level policy priorities. To rectify this situation and enhance cybersecurity a comprehensive approach is needed, one that acknowledges the full array of cyber threats and engages and integrates the disparate relevant actors at the national level. NATO, given its traditional profile as a political-military alliance with a mandate to promote peace and security for its members, is uniquely situated to be the source of such a comprehensive framework.