Blockchain-Based Cybersecurity Framework for IoT Devices

Abstract

The fast proliferation of Internet of Things (IoT) gadgets has revolutionized industries starting from healthcare and production to clever towns and agriculture. However, this hyperconnectivity has additionally amplified the assault surface, exposing IoT networks to excessive protection vulnerabilities consisting of unauthorized get right of entry to, records manipulation, Distributed Denial-of-Service (DDoS) attacks, and privateness breaches. Traditional centralized cybersecurity architectures have confirmed insufficient because of their susceptibility to unmarried factors of failure and their lack of ability to control the vast, heterogeneous, and resource-limited nature of IoT ecosystems. Blockchain technology, with its inherent decentralization, immutability, and cryptographic safety, offers a promising paradigm for addressing those challenges. This paper proposes a complete blockchain-primarily based totally cybersecurity framework tailor-made for IoT gadgets, integrating light-weight consensus algorithms, disbursed get entry to manipulate mechanisms, and clever contract-primarily based totally automation. The framework is designed to make certain steady information transmission, tool authentication, and tamper-evidence logging whilst keeping power performance and scalability. Performance evaluation demonstrates tremendous enhancements in resilience towards cyberattacks, better records integrity, and decreased latency as compared to conventional IoT protection models. This observe contributes to the developing subject of blockchain-enabled IoT safety with the aid of using supplying each a conceptual version and an in depth implementation approach for real-international applications.