Cybersecurity Risk Management and Zero Trust Transformation in Retail and Supply Chain Sectors

Abstract

The retail and global supply chain becomes more vulnerable to cyber risks like never before, with the increased pace of digitalization coupled with omni-channel stores, dispersed inventories, payment establishments, vendor-related systems, and cloud-based commerce architecture. The traditional perimeter-based security models now fail to prevent such advanced cyber threats as credential compromise, ransomware attacks, and infiltrations into the supply chain. Threat actors are taking advantage of identity trust problems, third-party integrations, a lack of network segmentation, and limited visibility on both OT and IT networks as the retail businesses embrace cloud services, IoT sensors, POS terminals, e-commerce platforms, robotics, and automation in the warehouse. Zero Trust has taken root as a structure that removes implicit trust and mandates continuous user, equipment, workload, and data stream monitoring in hybrid retail environments. The current paper examines the practices of cybersecurity risk management and assesses the implementation of Zero Trust in the Supply Chain and retail companies. Our offered architecture draws on identity-based access control, micro-segmentation, device attestation, API-level security, data management, and policy enforcement of an automated nature. We also suggest a risk corresponding security lifecycle, the continuous detection, the fusion of threat intelligence, the prioritization of vulnerabilities, the verification of the supply chain, and the identification of anomalies with the help of AI. An actual case study example proves quantifiable positive changes in threat containment, resilience, and operational continuity following the implementation of Zero Trust in a large international retail company. Findings emphasize the use of Zero Trust as a powerful defensive model that can help contemporary retailers reduce cyber risk and safeguard sensitive customer and transaction data, build secure inventory and logistics, and maintain regulatory compliance. The research is summarized with strategic models of organizations that may implement Zero Trust, such as identity modernization, resilience automation, and ongoing risk measurement in the retail value chain.