Trust Management System in Internet of Things: A Survey

Abstract

The Internet of Things (IoT) enables the connection of millions of disparate devices to the World Wide Web. Various smart devices must cooperate in order to complete the task. According to security experts, there are lot of risks related to IoT devices. Access control systems and protocols have faced a number of difficulties as a result of the development of the Internet of Things (IoT). The gadgets recognize other devices as part of their network service. Keeping participating devices safe is a crucial component of the Internet of Things. When gadgets communicate with one another, they require a promise of confidence. In order to increase security and usability of such modern technologies, trust between internet-connected devices and access control techniques is essential. Based on the facts presented, this article will help researchers create better access control techniques for the Internet of Things using trust based approach. The paper examines several access control and trust methods that could be applied in an IoT environment. An access control component is necessary to provide either access services to these recently connected devices or to those that have been joined to the IoT network for a long period. Scalable and dynamic trust computation is needed to provide dynamic access control. This review includes a thorough examination of trust management in a variety of situations and suggested design of trust computation model to provide access permission to IoT devices.