3 papers
cs.CR2025
Zero-Trust Strategies for O-RAN Cellular Networks: Principles, Challenges and Research Directions
Charalampos Katsis, Imtiaz Karim, Elisa Bertino
Cellular networks are foundational to modern communication, supporting a broad range of applications, from civilian use to enterprise systems and military tactical networks. The ad…
cs.CR2025
Automated Vulnerability Validation and Verification: A Large Language Model Approach
Alireza Lotfi, Charalampos Katsis, Elisa Bertino
Software vulnerabilities remain a critical security challenge, providing entry points for attackers into enterprise networks. Despite advances in security practices, the lack of hi…
cs.CR2024
ZT-SDN: An ML-powered Zero-Trust Architecture for Software-Defined Networks
Charalampos Katsis, Elisa Bertino
Zero Trust (ZT) is a security paradigm aiming to curtail an attacker's lateral movements within a network by implementing least-privilege and per-request access control policies. H…