Quantum-Based Solutions for Security Enhancement in Open Radio Access Networks

• URL: http://arxiv.org/abs/2608.28480v1
• Date: Fri, 28 Aug 2026 16:06:26 GMT
• Title: Quantum-Based Solutions for Security Enhancement in Open Radio Access Networks
• Abstract summary: Open Radio Access Networks (O-RAN) introduce unprecedented flexibility, interoperability, and intelligence into next-generation wireless systems.<n>Their disaggregated and software-defined architecture also expands the attack surface and creates new security vulnerabilities.<n>This article examines how quantum-resilient mechanisms can enhance confidentiality, authentication, and trust across the RAN ecosystem.
• Score: 3.2441322012045197
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Open Radio Access Networks (O-RAN) introduce unprecedented flexibility, interoperability, and intelligence into next-generation wireless systems, but their disaggregated and software-defined architecture also expands the attack surface and creates new security vulnerabilities. Conventional cryptographic mechanisms, while effective against classical threats, may become insufficient in the presence of quantum-enabled adversaries. This article presents a comprehensive perspective on quantum security for O-RAN, examining how quantum-resilient mechanisms can enhance confidentiality, authentication, and trust across the RAN ecosystem. It discusses post-quantum cryptography (PQC), quantum cryptography, quantum authentication, and quantum-enhanced threat detection within a zero-trust architecture based on continuous verification, least privilege, and micro-segmentation. Their integration with the Near-Real-Time (Near-RT) RAN Intelligent Controller, O-Cloud, and open interfaces is analyzed, together with practical deployment considerations, technology maturity, and adoption timelines. Finally, open research directions are outlined toward secure, resilient, and future-proof O-RAN architectures for 6G networks.

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