Information Security Governance in Distributed and Decentralized IT Systems: A Coordination-Theoretic Perspective

The rapid proliferation of distributed and decentralized IT architectures—ranging from cloud-native microservices and edge computing to blockchain-based ecosystems—has fundamentally eroded the efficacy of traditional, centralized information security governance (ISG). As organizational perimeters dissolve into federated, multi-actor, and ephemeral environments, the hierarchical model of a single governing authority enforcing uniform policy becomes not only obsolete but actively detrimental to system resilience. This research examines the critical governance tension between the necessity for central control to manage aggregate risk and the operational reality of local autonomy required for distributed system performance. By adopting a coordination-theoretic lens, this article conceptualizes security governance not as a static command structure but as a dynamic, distributed coordination problem. The study identifies and analyzes specific mechanisms for aligning security responsibilities, decision rights, and assurance processes across autonomous nodes without relying on a single root of trust or a monolithic control plane. Key insights reveal that effective governance in decentralized environments depends on the implementation of polycentric decision-making frameworks, the utilization of automated policy-as-code enforcement, and the adoption of consensus-based assurance mechanisms. The findings suggest that a shift from "governance by mandate" to "governance by protocol" is essential for securing the next generation of digital infrastructure.