Manimaran Govindarasu
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View article: Data‐Driven Anomaly Detection and Mitigation for FACTS‐Based Wide‐Area Voltage Control System
Data‐Driven Anomaly Detection and Mitigation for FACTS‐Based Wide‐Area Voltage Control System Open
Wide‐area voltage control system (WAVCS) ensures comprehensive voltage security and optimal management of power resources by incorporating flexible alternating current transmission system (FACTS) devices. However, due to its reliance on a …
View article: FL‐ADS: Federated learning anomaly detection system for distributed energy resource networks
FL‐ADS: Federated learning anomaly detection system for distributed energy resource networks Open
With the ongoing development of Distributed Energy Resources (DER) communication networks, the imperative for strong cybersecurity and data privacy safeguards is increasingly evident. DER networks, which rely on protocols such as Distribut…
View article: ML-based Anomaly Detection for CAN Bus Network in Agriculture Machinery
ML-based Anomaly Detection for CAN Bus Network in Agriculture Machinery Open
The adoption of advanced automation and next-generation technologies like the Internet of Things (IoT) and modern communication networks has revolutionized the food and agriculture sector, boosting the efficiency and precision of farm mach…
View article: NEFTSec: Networked federation testbed for cyber‐physical security of smart grid: Architecture, applications, and evaluation
NEFTSec: Networked federation testbed for cyber‐physical security of smart grid: Architecture, applications, and evaluation Open
As today's power grid is evolving into a densely interconnected cyber‐physical system (CPS), a high fidelity and multifaceted testbed environment is needed to perform cybersecurity experiments in a realistic grid environment. Traditional s…
View article: Moving Target Defense Routing for SDN-enabled Smart Grid
Moving Target Defense Routing for SDN-enabled Smart Grid Open
The increasing attack surface area in the smart grid communication networks is making the grid more susceptible to cyber attacks that can lead to instability of the grid and even blackouts. While there are multiple types of cyber attacks t…
View article: Machine Learning-based Cyber-Physical Anomaly Detection in Wide Area Voltage Control Systems
Machine Learning-based Cyber-Physical Anomaly Detection in Wide Area Voltage Control Systems Open
Wide-area voltage control systems (WAVCS) are widely deployed in power grid to improve the voltage stability in transmission system using Flexible AC Transmission System (FACTS) devices. The WAVCS relies on wide-area measurement and contro…
View article: A Cyber-Physical Anomaly Detection for Wide-Area Protection Using Machine Learning
A Cyber-Physical Anomaly Detection for Wide-Area Protection Using Machine Learning Open
Wide-area protection scheme (WAPS) provides system-wide protection by detecting and mitigating small and large-scale disturbances that are difficult to resolve using local protection schemes. As this protection scheme is evolving from a su…
View article: Autonomous Tools for Attack Surface Reduction (Final Report)
Autonomous Tools for Attack Surface Reduction (Final Report) Open
The electric power grid is a complex critical infrastructure that forms the lifeline of modern society, and its secure and reliable operation is of paramount importance to national security and economic wellbeing. However, recent findings …
View article: Impact Analysis of Data Integrity Attacks on FACTS-based Wide-Area Voltage Control System
Impact Analysis of Data Integrity Attacks on FACTS-based Wide-Area Voltage Control System Open
Energy management system (EMS) consists of several wide-area control applications that serve as a backbone for security, stability, and reliability of the power system. Wide-area voltage control system (WAVCS), one of the critical wide-are…
View article: A Novel Architecture for Attack-Resilient Wide-Area Protection and Control System in Smart Grid
A Novel Architecture for Attack-Resilient Wide-Area Protection and Control System in Smart Grid Open
Wide-area protection and control (WAPAC) systems are widely applied in the energy management system (EMS) that rely on a wide-area communication network to maintain system stability, security, and reliability. As technology and grid infras…
View article: Distributed Intrusion Detection System using Semantic-based Rules for SCADA in Smart Grid
Distributed Intrusion Detection System using Semantic-based Rules for SCADA in Smart Grid Open
Cyber-physical system (CPS) security for the smart grid enables secure\ncommunication for the SCADA and wide-area measurement system data. Power\nutilities world-wide use various SCADA protocols, namely DNP3, Modbus, and IEC\n61850, for th…
View article: Autonomous Tools for Attack Surface Reduction
Autonomous Tools for Attack Surface Reduction Open
The electric power grid is a complex critical infrastructure that forms the lifeline of modern society, and its secure and reliable operation is of paramount importance to national security and economic well being. However, recent findings…
View article: Anomaly Detection and Mitigation for Wide-Area Damping Control Using Machine Learning
Anomaly Detection and Mitigation for Wide-Area Damping Control Using Machine Learning Open
In an interconnected multi-area power system, wide-area measurement based damping controllers are used to damp out inter-area oscillations, which jeopardize grid stability and constrain the power flows below to their transmission capacity.…
View article: Cyber-Physical Smart Light Control System Integration with Smart Grid using Zigbee
Cyber-Physical Smart Light Control System Integration with Smart Grid using Zigbee Open
This paper presents a hardware-in-the-loop cyber-physical system architecture design to monitor and control smart lights connected to the active distribution grid. The architecture uses Zigbee-based (IEEE 802.15.4) wireless sensor networks…
View article: Multi-Agent Based Attack-Resilient System Integrity Protection for Smart Grid
Multi-Agent Based Attack-Resilient System Integrity Protection for Smart Grid Open
Most System Integrity Protection (SIP) schemes deployed in smart gird today are centralized functions relying on wide-area communication. The highly centralized implementation makes SIP susceptible to the single point of failure induced by…
View article: Testbed-based Evaluation of SIEM Tool for Cyber Kill Chain Model in Power Grid SCADA System
Testbed-based Evaluation of SIEM Tool for Cyber Kill Chain Model in Power Grid SCADA System Open
Development of a smarter electric grid necessitates addressing the associated cyber security challenges. Since the interdependence between the legacy grid infrastructure and advanced information technology is growing rapidly, there are num…
View article: Efficient Modeling of HIL Multi-Grid System for Scalability & Concurrency in CPS Security Testbed
Efficient Modeling of HIL Multi-Grid System for Scalability & Concurrency in CPS Security Testbed Open
Cyber-event-triggered power grid blackout compels utility operators to intensify cyber-aware and physics-constrained recovery and restoration process. Recently, coordinated cyber attacks on the Ukrainian grid witnessed such a cyber-event-t…
View article: Evaluation of Anomaly Detection for Wide-Area Protection Using Cyber Federation Testbed
Evaluation of Anomaly Detection for Wide-Area Protection Using Cyber Federation Testbed Open
Cyber physical security research for smart grid is currently one of the nation's top R&D priorities. The existing vulnerabilities in the legacy grid infrastructure make it particularly susceptible to countless cyber-attacks. There is a gro…
View article: Security Evaluation of Two Intrusion Detection Systems in Smart Grid SCADA Environment
Security Evaluation of Two Intrusion Detection Systems in Smart Grid SCADA Environment Open
The increased complexity and interconnectivity of SCADA infrastructure in the power system have exposed it to the multitude of vulnerabilities. There is a growing emphasis towards developing an efficient intrusion detection system (IDS) to…
View article: Anomaly Detection for Power System Generation Control based on Hierarchical DBSCAN
Anomaly Detection for Power System Generation Control based on Hierarchical DBSCAN Open
The generation level of a generator in power grid is under control of multiple control loops such as governor action, Automatic Generation Control (AGC), and manual control. These control loops are vulnerable to cyber attacks and could bec…
View article: A Hierarchical Multi-Agent Based Anomaly Detection for Wide-Area Protection in Smart Grid
A Hierarchical Multi-Agent Based Anomaly Detection for Wide-Area Protection in Smart Grid Open
Future smart grid capabilities provide assurance to expand the advanced information and communication technologies to evolve into densely interconnected cyber physical system. Remedial Action Scheme (RAS), widely used for wide-area protect…
View article: Decision Tree Based Anomaly Detection for Remedial Action Scheme in Smart Grid using PMU Data
Decision Tree Based Anomaly Detection for Remedial Action Scheme in Smart Grid using PMU Data Open
The advanced and persistent cyber threats facing the critical infrastructure such as the smart grid are exponentially rising which require sophisticated defense strategy. Remedial Action Scheme (RAS), also known as Special Protection Schem…
View article: A symmetric address translation approach for a network layer moving target defense to secure power grid networks
A symmetric address translation approach for a network layer moving target defense to secure power grid networks Open
This paper will suggest a robust method for a network layer Moving Target Defense (MTD) using symmetric packet scheduling rules. The MTD is implemented and tested on a Supervisory Control and Data Acquisition (SCADA) network testbed. This …
View article: The Use of System in the Loop, Hardware in the Loop, and Co-modeling of Cyber-Physical Systems in Developing and Evaluating New Smart Grid Solutions
The Use of System in the Loop, Hardware in the Loop, and Co-modeling of Cyber-Physical Systems in Developing and Evaluating New Smart Grid Solutions Open
This paper deals with two issues: development of some advanced smart grid applications, and implementation of advanced testbeds to evaluate these applications. In each of the development cases, the role of the testbeds is explained and eva…
View article: Risk assessment framework for power control systems with PMU-based intrusion response system
Risk assessment framework for power control systems with PMU-based intrusion response system Open
Cyber threats are serious concerns for power systems. For example, hackers may attack power control systems via interconnected enterprise networks. This paper proposes a risk assessment framework to enhance the resilience of power systems …