Security Challenges and Solutions in Private Wireless (LTE/5G) Network Implementations

Author(s)	Rahul Bangera
Country	United States
Abstract	The digitalization of critical infrastructure, often called Industry 4.0, has accelerated quickly, especially the adoption of private wireless networks. While Private Long-Term Evolution (LTE) and Fifth Generation (5G) networks offer greater determinism and reliability than Wi-Fi, they also present a unique and evolving threat landscape. This paper analyzes the security architecture of private cellular networks, comparing the legacy vulnerabilities of LTE with the "secure-by-design" enhancements of 5G Standalone (SA) architecture. It examines critical risks, including signaling attacks on the Service-Based Architecture (SBA), side-channel vulnerabilities in network slicing, and physical layer jamming. Additionally, we evaluate mitigation strategies such as Zero Trust Architecture (ZTA), AI-driven anomaly detection, and improvements introduced in 3GPP Releases 16 and 17.
Keywords	5G, Long Term Evolution (LTE), HTTP/2 signaling, Industrial Internet of Things (IIoT), jamming mitigation, network slicing, Non-Public Networks (NPN), Zero Trust Architecture (ZTA).
Field	Engineering
Published In	Volume 16, Issue 3, July-September 2025
Published On	2025-08-08
DOI	https://doi.org/10.71097/IJSAT.v16.i3.10090
Short DOI	https://doi.org/hbkrgv

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International Journal on Science and Technology