Paper Details

Name: Subhajit Paul, Azhar Ashraf, Abhay Tiwari, Abhijeet Kumar, Shubham Kumar Jha & Shreyansh Shrey
Country: India

Year: 2026
Volume: Volume No: 13, January, Year: 2026 (Special Issue)
Page Number: 260-266
DOI: https://doi.org/10.5281/zenodo.18977770

ABSTRACT
Critical infrastructure networks (CINs), such as power grids, transportation systems, and water supply networks, provide the foundation of modern society. As we continue scaling these networks, the required protection to secure communication within these networks against cyber threats, unauthorized access, and potential system failures becomes critical. This
article describes the major risks and vulnerabilities in CIN communication, covering threats like Man-in-the-Middle attacks, Denial-of-Service (DoS) attacks, and Advanced Persistent Threats (APTs). We examine current security frameworks, encryption methodologies, and authentication strategies, underlining how cryptographic protocols, blockchain, and AI-based anomaly detection can be pivotal in strengthening resilience. In addition, we introduce a multitiered security architecture and describe how incorporating real-time monitoring mechanisms, secure network
communication protocols, and a zero-trust network design paradigm can secure data transmission between elements of CINs. Future research directions: What are we going to do?

Keywords— Critical Infrastructure, Secure Communication, Cybersecurity, Cryptography, Zero-Trust Architecture, Anomaly Detection, Blockchain.