Abstract
A Neighbourhood Area Network is a functional component of the Smart Grid that interconnects the end user domain with the Energy Services Provider (ESP) domain. It forms the “edge” of the provider network, interconnecting homes instrumented with Smart Meters (SM) with the ESP. The SM is a dual interface, wireless communication device through which information is transacted across the user (a home) and ESP domains. The security risk to the ESP increases since the components within the home, interconnected to the ESP via the SM, are not managed by the ESP. Secure operation of the SM is a necessary requirement. The SM should be resilient to attacks, which might be targeted either directly or via the network in the home. This paper presents and discusses a security scheme for groups of SMs in a Neighbourhood Area Network that enable entire groups to authenticate themselves, rather than one at a time. The results show that a significant improvement in terms of resilience against node capture attacks, replay attacks, confidentiality, authentication for groups of SMs in a NAN that enable entire groups to authenticate themselves, rather than one at a time.
Highlights
The Smart Grid (SG) can be defined as an electric system that uses information, two-way, cyber-secure communication technologies, and computational intelligence in an integrated fashion [1]
Balance workload of intermediate relay hosts: Smart Meters (SM) communicate to an upstream data sink in the smart grid via an intermediate host, typically a SM performing the role of a group gateway
Term the first scenario as a reverse single sign-on and succinctly describe a framework for group authentication which is applicable for mobile telecom networks and extendible to the M2M context, which is relevant to our discussion [9]
Summary
The Smart Grid (SG) can be defined as an electric system that uses information, two-way, cyber-secure communication technologies, and computational intelligence in an integrated fashion [1]. The system is used across the SG functional units, such as electricity generation, transmission, substations, distribution, and consumption to achieve a system that is clean, safe, secure, reliable, resilient, efficient, and sustainable. The broad security objectives for the SG are mentioned as Availability, Integrity, and Confidentiality in the report of the Smart Grid Interoperability Panel (SGIP), National Institute of Standards & Technology (NIST), USA [7]. It mentions the need for additional security relating to cyberspace and the physical security of the devices.
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