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The sweeping scale embracing of the smart things has a profound effect in bringing about big data explosion and sophisticated cyber threats at the network edge. Edge computing needs novel security architectures to address the security challenges in severely resource-constrained and heterogeneous edge systems. The successful design of such architectures solves the challenges of scalability [handling massive Internet of Things (IoT) devices], resource constraints and high latency for critical applications. The existing security architectures such as the cloud fail to satisfy these requirements due to remoteness and centralization. This inculcates the need for a distributed architecture that offloads overheads from the cloud and IoT devices by deploying security parameters and operations in proximity. Specifically, the proliferation of distributed architecture integrated with intelligent algorithms such as artificial …