SECURING NETWORK DEVICES FROM UNAUTHORIZED ACCESS USING BLOCKCHAIN TECHNOLOGY
Authors: Roshan Kumar Chaudhary and Mohit Shrestha
Affiliation: Tribhuvan University
Category:
Keywords: Blockchain, Network Security, Decentralized Authentication, Distributed Ledger Technology, Network Devices, Security Framework, Tamper-Resistant Logging
ABSTRACT. Unauthorized access to network devices presents a critical threat to the security and reliability of modern communication infrastructures. Traditional centralized access control systems often suffer from vulnerabilities such as single points of failure and lack of transparency. This paper introduces a blockchain based decentralized access control framework aimed at securing network devices against unauthorized access. Leveraging smart contracts on a distributed ledger, the proposed system ensures immutable, transparent, and verifiable management of access permissions without dependence on centralized authorities. The architecture details the interaction between users, devices, and blockchain components, alongside the logic for granting, revoking, and auditing access. Analysis of the framework highlights its potential to enhance security, trust, and accountability in network access control. This work lays a foundation for integrating blockchain technology into network security paradigms.
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