Reasoning on Adopting OPC UA for an IoT-Enhanced Smart Energy System from a Security Perspective
This work tackles security vulnerabilities in industrial IoT systems, particularly for smart energy applications, but is incremental as it applies an existing protocol to a specific domain.
The paper addresses the security shortcomings of traditional industrial protocols in IoT-enhanced smart energy systems by evaluating OPC UA as a secure communications architecture, demonstrating its capability to function alone or with existing protocols.
Smart Services using Industrial Internet of Things (IIoT) applications are on the rise, but still more often than not, traditional industrial protocols are used to interconnect the entities of the resulting systems. These protocols are mostly not intended for functioning in such a highly interconnected environment and, therefore, often lack even the most fundamental security measures. To address this issue, this paper reasons on the security of a communications protocol, intended for Machine to machine (M2M) communications, namely the Open Platform Communications Unified Architecture (OPC UA) and exemplifies, on a smart energy system, its capability to serve as a secure communications architecture by either itself or in conjunction with traditional protocols.