8 citations · 10 across the 5 of their papers we have counts for
5 papers
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…
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…
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…
Graphene: Infrastructure Security Posture Analysis with AI-generated Attack Graphs
Xin Jin, Charalampos Katsis, Fan Sang +4
The rampant occurrence of cybersecurity breaches imposes substantial limitations on the progress of network infrastructures, leading to compromised data, financial losses, potentia…
Edge Security: Challenges and Issues
Xin Jin, Charalampos Katsis, Fan Sang +3
Edge computing is a paradigm that shifts data processing services to the network edge, where data are generated. While such an architecture provides faster processing and response,…