Abstract

Recent advancements of Information and Communication Technologies (ICT) have made it a part of almost every domain of everyday life, including the power grid, leading to what is known as the Smart Grid. But the power grid, a critical economic and social infrastructure, is vulnerable to security threats stemming from the use of ICT and to new emerging vulnerabilities and privacy issues. Access control is a fundamental element of the security infrastructure, as, ideally, the principle of less privilege, zero-trust, segregation of duties, and other best practices should be applied without disrupting the functioning of the power grid while also properly maintaining the security of the Smart Grid. The paper presents the work undertaken in the SealedGRID project and the steps taken for implementing Attribute-based Access Control policies specifically tailored to the Smart Grid.

Highlights

  • There has been rapid evolution in the field of Information and Communication Technologies (ICT) and this evolution has found its way into the electrical grid

  • This paper presents a new architecture for secure and resilient smart grids

  • The electrical network [5] is one of the most important economic and social infrastructures that can be exposed to security threats in the ICT sector, introducing new confidentiality issues and vulnerabilities related to the specific features of the smart network infrastructure

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Summary

INTRODUCTION

There has been rapid evolution in the field of Information and Communication Technologies (ICT) and this evolution has found its way into the electrical grid. With the arrival of ICT, the power grid [2], which is a vital economic and social infrastructure, inherits the security threats from the ICT world. These include privacy issues and vulnerabilities that are related to the characteristics of the Smart Grid infrastructure. Blockchain [4] is a novel driving technology behind the decentralized web. It is a shared, immutable ledger that enables recording of transactions and tracking assets in a business network. This paper presents a new architecture for secure and resilient smart grids. Sec 4 describes the proposed SealedGRID architecture, introducing the main components while Sec 5 preliminary evaluates a reference implementation of the SealedGRID authorization and policy enforcement framework

ABOUT SEALEDGRID PROJECT
BLOCKCHAIN AND SMART GRIDS
ARCHITECTURE DESCRIPTION
Security policy considerations
IMPLEMENTATION AND DISCUSSION
CONCLUSION AND FUTURE WORK

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