7 papers
Strategy Phasing of Cyber Attacks on Digital Substations
Akila Herath, Chen-Ching Liu, Junho Hong +1
The paper introduces SubCASP, a Hidden Markov Model approach that combines IDS logs to identify and predict the phases of cyber attacks on IEC 61850‑based digital substations, usin…
Large Language Models for Power System Security: A Novel Multi-Modal Approach for Anomaly Detection in Energy Management Systems
Aydin Zaboli, Junho Hong, Alexandru Stefanov +2
This paper elaborates on an extensive security framework specifically designed for energy management systems (EMSs), which effectively tackles the dynamic environment of cybersecur…
Evaluation of Real-Time Mitigation Techniques for Cyber Security in IEC 61850 / IEC 62351 Substations
Akila Herath, Chen-Ching Liu, Junho Hong +1
The digitalization of substations enlarges the cyber-attack surface, necessitating effective detection and mitigation of cyber attacks in digital substations. While machine learnin…
A Physics-Informed Context-Aware Approach for Anomaly Detection in Tele-driving Operations Under False Data Injection Attacks
Subhadip Ghosh, Aydin Zaboli, Junho Hong +1
Tele-operated driving (ToD) systems are special types of cyber-physical systems (CPSs) where the operator remotely controls the steering, acceleration, and braking actions of the v…
Generative AI for Critical Infrastructure in Smart Grids: A Unified Framework for Synthetic Data Generation and Anomaly Detection
Aydin Zaboli, Junho Hong
In digital substations, security events pose significant challenges to the sustained operation of power systems. To mitigate these challenges, the implementation of robust defense…
An Advanced Cyber-Physical System Security Testbed for Substation Automation
Akila Herath, Chen-Ching Liu, Junho Hong +1
A Cyber-Physical System (CPS) testbed serves as a powerful platform for testing and validating cyber intrusion detection and mitigation strategies in substations. This study presen…