Self-Healing Secure Blockchain Framework in Microgrids

Autor: Petar Popovski, Suman Rath, Subham Sahoo, Duc-Lam Nguyen
Rok vydání: 2022
Předmět:
Zdroj: Rath, S, Sahoo, S, Nguyen, L D & Popovski, P 2023, ' Self-Healing Secure Blockchain Framework in Microgrids ', I E E E Transactions on Smart Grid, pp. 1 . https://doi.org/10.1109/TSG.2023.3253723
DOI: 10.48550/arxiv.2209.07138
Popis: Blockchain has recently been depicted as a secure protocol for information exchange in cyber-physical microgrids. However, it is still found vulnerable to consensus manipulation attacks. These stealth attacks are often difficult to detect as they use kernel-level access to mask their actions. In this paper, we firstly build a trusted and secured peer-to-peer network mechanism for physical DC microgrids' validation of transactions over Distributed Ledger. Secondly, we leverage from a physics-informed approach for detecting malware-infected nodes and then recovering from stealth attacks using a self-healing recovery scheme augmented into the microgrid Blockchain network. This scheme allows compromised nodes to adapt to a reconstructed trustworthy signal in a multi-hop manner using corresponding measurements from the reliable nodes in the network. Additionally, recognizing the possible threat of denial-of-service attacks and random time delays (where information sharing via communication channels is blocked), we also integrate a model-free predictive controller with the proposed system that can locally reconstruct an expected version of the attacked/delayed signals. This supplements the capabilities of Blockchain, enabling it to detect and mitigate consensus manipulation attempts, and network latencies.
Comment: Accepted for publication in IEEE Transactions on Smart Grid
Databáze: OpenAIRE