170 citations · 191 across the 21 of their papers we have counts for
21 papers
Technical Report on Resilient and Secure Large-Scale Energy Internet Systems
Ioannis Zografopoulos, Karen Largman, Isaac Ortega Romero +11
This IEEE PES Task Force report examines the security and resilience of large-scale Energy Internet (EI) systems, in which electricity, information, and market layers are tightly c…
Economic Impact Assessment of Denial-of-Service and Time-Delay Attacks on Advanced Metering Infrastructure
Lais Oliveira Krohl, Saurav Basnet, Ioannis Zografopoulos
Advanced Metering Infrastructure (AMI) plays an important role in modern power systems by providing near real-time consumption data for operational planning and load estimation. De…
QUIC-TRIP: A Triple-Redundant Journey Toward Secure Substation Communications
Jorge David de Hoz Diego, Ioannis Zografopoulos, Anca Jurcut
Modern power systems rely on real-time substation communication protocols, such as the Routable Generic Object-Oriented Substation Event (R-GOOSE), for critical control and protect…
Multidimensional Resilience for Electrical Power Systems: Systematic Review, Integrated Index, and Validation under Real-World Cyber-Physical Attack Scenarios
Isaac Ortega Romero, Ioannis Zografopoulos
The accelerating decarbonization of energy systems has transformed electrical power systems into complex infrastructures exposed to threats whose interactions generate systemic vul…
Resilience Revisited: A Multidimensional Framework Derived from Realistic Attack Scenarios
Isaac Ortega Romero, Ioannis Zografopoulos
The increasing penetration of inverter-based resources exposes power systems to coordinated cyber-physical attacks capable of triggering cascading failures and systemic instability…
Impact Assessment of Cyberattacks in Inverter-Based Microgrids
Kerd Topallaj, Colin McKerrell, Suraj Ramanathan +1
In recent years, the evolution of modern power grids has been driven by the growing integration of remotely controlled grid assets. Although Distributed Energy Resources (DERs) and…
Event-Triggered Islanding in Inverter-Based Grids
Ioannis Zografopoulos, Charalambos Konstantinou
The decentralization of modern power systems challenges the hierarchical structure of the electric grid and necessitates automated schemes to manage adverse conditions. This work p…
Experimental Impact Analysis of Cyberattacks in Power Systems using Digital Real-Time Testbeds
Kalinath Katuri, Ioannis Zografopoulos, Ha Thi Nguyen +1
Smart grid advancements and the increased integration of digital devices have transformed the existing power grid into a cyber-physical energy system. This reshaping of the current…
A Resource Allocation Scheme for Energy Demand Management in 6G-enabled Smart Grid
Shafkat Islam, Ioannis Zografopoulos, Md Tamjid Hossain +2
Smart grid (SG) systems enhance grid resilience and efficient operation, leveraging the bidirectional flow of energy and information between generation facilities and prosumers. Fo…
Distributed Energy Resources Cybersecurity Outlook: Vulnerabilities, Attacks, Impacts, and Mitigations
Ioannis Zografopoulos, Nikos D. Hatziargyriou, Charalambos Konstantinou
The digitization and decentralization of the electric power grid are key thrusts for an economically and environmentally sustainable future. Towards this goal, distributed energy r…
Mitigation of Cyberattacks through Battery Storage for Stable Microgrid Operation
Ioannis Zografopoulos, Panagiotis Karamichailidis, Andreas T. Procopiou +3
In this paper, we present a mitigation methodology that leverages battery energy storage system (BESS) resources in coordination with microgrid (MG) ancillary services to maintain…
Behind Closed Doors: Process-Level Rootkit Attacks in Cyber-Physical Microgrid Systems
Suman Rath, Ioannis Zografopoulos, Pedro P. Vergara +2
Embedded controllers, sensors, actuators, advanced metering infrastructure, etc. are cornerstone components of cyber-physical energy systems such as microgrids (MGs). Harnessing th…
Consumer, Commercial and Industrial IoT (In)Security: Attack Taxonomy and Case Studies
Christos Xenofontos, Ioannis Zografopoulos, Charalambos Konstantinou +3
Internet of Things (IoT) devices are becoming ubiquitous in our lives, with applications spanning from the consumer domain to commercial and industrial systems. The steep growth an…
Faster than Real-Time Simulation: Methods, Tools, and Applications
XiaoRui Liu, Juan Ospina, Ioannis Zografopoulos +2
Real-time simulation enables the understanding of system operating conditions by evaluating simulation models of physical components running synchronized at the real-time wall cloc…
eWake: A Novel Architecture for Semi-Active Wake-Up Radios Attaining Ultra-High Sensitivity at Extremely-Low Consumption
Giannis Kazdaridis, Nikos Sidiropoulos, Ioannis Zografopoulos +1
In this work we propose a new scheme for semi-passive Wake-Up Receiver circuits that exhibits remarkable sensitivity beyond -70 dBm, while state-of-the-art receivers illustrate sen…
Cyber-Physical Energy Systems Security: Threat Modeling, Risk Assessment, Resources, Metrics, and Case Studies
Ioannis Zografopoulos, Juan Ospina, XiaoRui Liu +1
Cyber-physical systems (CPS) are interconnected architectures that employ analog, digital, and communication resources for their interaction with the physical environment. CPS are…
Security Assessment and Impact Analysis of Cyberattacks in Integrated T&D Power Systems
Ioannis Zografopoulos, Charalambos Konstantinou, Nektarios Georgios Tsoutsos +2
In this paper, we examine the impact of cyberattacks in an integrated transmission and distribution (T&D) power grid model with distributed energy resource (DER) integration. We ad…
Harness the Power of DERs for Secure Communications in Electric Energy Systems
Ioannis Zografopoulos, Juan Ospina, Charalambos Konstantinou
Electric energy systems are undergoing significant changes to improve system reliability and accommodate increasing power demands. The penetration of distributed energy resources (…
Hardware-Assisted Detection of Firmware Attacks in Inverter-Based Cyberphysical Microgrids
Abraham Peedikayil Kuruvila, Ioannis Zografopoulos, Kanad Basu +1
The electric grid modernization effort relies on the extensive deployment of microgrid (MG) systems. MGs integrate renewable resources and energy storage systems, allowing to gener…
A Survey of Machine Learning Methods for Detecting False Data Injection Attacks in Power Systems
Ali Sayghe, Yaodan Hu, Ioannis Zografopoulos +4
Over the last decade, the number of cyberattacks targeting power systems and causing physical and economic damages has increased rapidly. Among them, False Data Injection Attacks (…
DERauth: A Battery-based Authentication Scheme for Distributed Energy Resources
Ioannis Zografopoulos, Charalambos Konstantinou
Over the past decades, power systems have experienced drastic transformations in order to address the growth in energy demand, reduce carbon emissions, and enhance power quality an…