This article explores new dimensions of security in the context of postmodernity. The article highlights the influence of postmodernism and postmodernity on security culture and presents necessary measures to mitigate the risks associated with this paradigm. In a society characterized by plurality, relativism, and diversity, security culture must evolve to address new digital challenges. It presents how the concept of the relativization of truth from the perspective of postmodernism can affect the approach to security, highlighting both benefits and challenges. It also examines the impact of globalization and digitization on security, highlighting the need for international cooperation and interdisciplinary strategies. The article emphasizes that promoting digital education, raising awareness, developing collaboration, and implementing technology are crucial in building an adaptable and effective security culture in the face of the challenges of postmodernity.