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The quality and experience of mobile communication have significantly improved with the introduction of 5G, and these improvements are expected to continue beyond the 5G era. However, vulnerabilities in control-plane protocols, such as…

Cryptography and Security · Computer Science 2025-10-09 Thusitha Dayaratne , Ngoc Duy Pham , Viet Vo , Shangqi Lai , Sharif Abuadbba , Hajime Suzuki , Xingliang Yuan , Carsten Rudolph

The Open Radio Access Network (O-RAN) architecture is reshaping telecommunications by promoting openness, flexibility, and intelligent closed-loop optimization. By decoupling hardware and software and enabling multi-vendor deployments,…

Cryptography and Security · Computer Science 2025-04-02 Joshua Moore , Aly Sabri Abdalla , Prabesh Khanal , Vuk Marojevic

Next generation Radio Access Networks (RANs) introduce programmability, intelligence, and near real-time control through intelligent controllers, enabling enhanced security within the RAN and across broader 5G/6G infrastructures. This paper…

Cryptography and Security · Computer Science 2025-07-30 Sotiris Chatzimiltis , Mohammad Shojafar , Mahdi Boloursaz Mashhadi , Rahim Tafazolli

The ever-increasing reliance of critical services on network infrastructure coupled with the increased operational complexity of beyond-5G/6G networks necessitate the need for proactive and automated network fault management. The provision…

Networking and Internet Architecture · Computer Science 2025-09-04 Babak Azkaei , Kishor Chandra Joshi , George Exarchakos

Open Radio Access Networks (O-RAN) are emerging as a disruptive technology, revolutionising traditional mobile network architecture and deployments in the current 5G and the upcoming 6G era. Disaggregation of network architecture, inherent…

Cryptography and Security · Computer Science 2024-06-19 Thusitha Dayaratne , Viet Vo , Shangqi Lai , Sharif Abuadbba , Blake Haydon , Hajime Suzuki , Xingliang Yuan , Carsten Rudolph

Adversarial machine learning, focused on studying various attacks and defenses on machine learning (ML) models, is rapidly gaining importance as ML is increasingly being adopted for optimizing wireless systems such as Open Radio Access…

Cryptography and Security · Computer Science 2024-10-24 Ravikumar Balakrishnan , Marius Arvinte , Nageen Himayat , Hosein Nikopour , Hassnaa Moustafa

This project explores large language models (LLMs) for anomaly detection across heterogeneous log sources. Traditional intrusion detection systems suffer from high false positive rates, semantic blindness, and data scarcity, as logs are…

Cryptography and Security · Computer Science 2026-02-09 Yassine Chagna , Antal Goldschmidt

The impending adoption of Open Radio Access Network (O-RAN) is fueling innovation in the RAN towards data-driven operation. Unlike traditional RAN where the RAN data and its usage is restricted within proprietary and monolithic RAN…

Cryptography and Security · Computer Science 2025-10-22 Pranshav Gajjar , Molham Khoja , Abiodun Ganiyu , Marc Juarez , Mahesh K. Marina , Andrew Lehane , Vijay K. Shah

Machine learning (ML) is crucial in network anomaly detection for proactive threat hunting, reducing detection and response times significantly. However, challenges in model training, maintenance, and frequent false positives impact its…

Cryptography and Security · Computer Science 2023-09-29 Tarek Ali , Panos Kostakos

Modern 5G/6G radio access networks are increasingly programmable through O-RAN, yet their operational complexity has grown with disaggregation, open interfaces, and fine-grained control parameters. While RAN-side analytics and telemetry…

Networking and Internet Architecture · Computer Science 2026-03-17 Tuan V. Ngo , Mao V. Ngo , Binbin Chen , Tony Q. S. Quek , Tejaswita Kumari , Maziar Nekovee

Open Radio Access Network (O-RAN) is considered as a major step in the evolution of next-generation cellular networks given its support for open interfaces and utilization of artificial intelligence (AI) into the deployment, operation, and…

Networking and Internet Architecture · Computer Science 2023-09-08 Naveen Naik Sapavath , Brian Kim , Kaushik Chowdhury , Vijay K Shah

The Radio Access Network (RAN) is a critical component of modern telecommunications infrastructure, currently evolving towards disaggregated and open architectures. These advancements are pivotal for integrating intelligent, data-driven…

Networking and Internet Architecture · Computer Science 2025-09-18 Abdelrahim Ahmad , Peizheng Li , Robert Piechocki , Rui Inacio

Advanced Persistent Threats (APTs) pose a major cybersecurity challenge due to their stealth and ability to mimic normal system behavior, making detection particularly difficult in highly imbalanced datasets. Traditional anomaly detection…

Cryptography and Security · Computer Science 2025-02-14 Sidahmed Benabderrahmane , Petko Valtchev , James Cheney , Talal Rahwan

The evolution of wireless communication systems will be fundamentally impacted by an open radio access network (O-RAN), a new concept defining an intelligent architecture with enhanced flexibility, openness, and the ability to slice…

Cryptography and Security · Computer Science 2024-11-14 Mojdeh Karbalaee Motalleb , Chafika Benzaid , Tarik Taleb , Marcos Katz , Vahid Shah-Mansouri , JaeSeung Song

The Open Radio Access Network (O-RAN) architecture allows AI to be embedded directly into the RAN through modular xApps and rApps, yet creating these applications collecting data, training models, writing code, and deploying them safely…

Systems and Control · Electrical Eng. & Systems 2026-05-25 Seyed Bagher Hashemi Natanzi , Pranshav Gajja , Bo Tang , Vijay K. Shah

Large language models (LLMs) have shown their potential in long-context understanding and mathematical reasoning. In this paper, we study the problem of using LLMs to detect tabular anomalies and show that pre-trained LLMs are zero-shot…

Machine Learning · Computer Science 2024-06-25 Aodong Li , Yunhan Zhao , Chen Qiu , Marius Kloft , Padhraic Smyth , Maja Rudolph , Stephan Mandt

Rogue Base Station (RBS) attacks, particularly those exploiting downgrade vulnerabilities, remain a persistent threat as 5G Standalone (SA) deployments are still limited and User Equipment (UE) manufacturers continue to support legacy…

Networking and Internet Architecture · Computer Science 2025-06-10 Stavros Dimou , Guevara Noubir

While the open architecture, open interfaces, and integration of intelligence within Open Radio Access Network technology hold the promise of transforming 5G and 6G networks, they also introduce cybersecurity vulnerabilities that hinder its…

Cryptography and Security · Computer Science 2024-02-14 Azuka Chiejina , Brian Kim , Kaushik Chowhdury , Vijay K. Shah

The open radio access network (O-RAN) enables modular, intelligent, and programmable 5G network architectures through the adoption of software-defined networking (SDN), network function virtualization (NFV), and implementation of…

Networking and Internet Architecture · Computer Science 2025-11-25 Md Habibur Rahman , Md Sharif Hossen , Nathan H. Stephenson , Vijay K. Shah , Aloizio Da Silva

Large Language Models (LLMs) have emerged as a transformative and disruptive technology, enabling a wide range of applications in natural language processing, machine translation, and beyond. However, this widespread integration of LLMs…

Cryptography and Security · Computer Science 2026-01-27 Mohammad Fasha , Faisal Abul Rub , Nasim Matar , Bilal Sowan , Mohammad Al Khaldy
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