Blockchain-Enabled Comprehensive Security Framework For Industrial Iot

Abstract

The Industrial Internet of Things (IIoT) is rapidly transforming modern industries by enhancing operational efficiency and productivity. However, the exponential growth and diversity of connected devices expose IIoT systems to significant security vulnerabilities. Traditional centralized security mechanisms struggle with scalability, data integrity, and reliability, leaving industrial environments susceptible to cyberattacks. To address these challenges, this research proposes a decentralized, blockchain-based security framework for IIoT systems. By integrating blockchain technology, smart contracts, and SHA-256 encryption, the framework provides robust authentication, authorization, and data integrity without reliance on a central authority. Smart contracts dynamically enforce access policies and respond in real time to suspicious activities, while SHA-256 ensures strong data confidentiality. Moreover, IoT devices are leveraged to manage encryption keys and data access, enabling a lightweight and scalable security solution tailored to dynamic industrial environments. The hybrid use of public and private blockchains ensures both high performance and confidentiality, offering a practical and adaptive approach to securing IIoT infrastructures. Experimental results demonstrate the proposed framework’s effectiveness in enhancing data security, scalability, and operational reliability.