A Blockchain-based Multi-Factor Honeytoken Dynamic Authentication Mechanism

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Abstract
The evolution of authentication mechanisms in ensuring secure access to systems has been crucial for mitigating vulnerabilities and enhancing system security. However, despite advancements in two-factor authentication (2FA) and multi-factor authentication (MFA), authentication mechanisms remain weak in system security, particularly when individuals accessing critical systems are involved. In response to this challenge, we propose a novel blockchain-based multi-factor dynamic authentication mechanism (BMFA) that integrates honeytoken technology to enhance security. Our proposed mechanism leverages Ethereum blockchain technology and smart contracts to provide a decentralized and robust authentication framework. By incorporating honeytokens into smart contracts, we introduce a dynamic layer of security that continuously adapts to prevent potential attacks. Our evaluation demonstrates that our BMFA mechanism effectively addresses various security challenges, including brute force attacks, man-in-the-middle attacks, and smart contract vulnerabilities, while providing robust protection against unauthorized access. Our findings emphasise the efficacy of the BMFA mechanism in enhancing system security and mitigating evolving threats in authentication processes for next-generation critical industrial control systems.

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