Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 18 of 18 for “"false data injection"”.
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Countering Cybersecurity Vulnerabilities in the Power System
… vulnerabilities by detecting and localizing false data injection attacks and give a case study in the Automatic Generation Control (AGC) system, which is a key control system to keep the power system's balance. However, malicious measurements can be injected to exploited devices to mislead …
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A supervised machine learning-based framework to detect low-level fault injections in software systems
Fault injection attacks inject faults into system components, inducing abnormal software behavior. Software vulnerability analysis cannot prevent new attack vectors without software modifications. Attack detection methods utilize system-specific software features and unsupervised learning due to …
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An assessment of deep cyber-physical situational awareness of power system using real-time testbed
… Trust and security are of the utmost importance. False data injection attacks (FDIA) are one of the newest security problems, and they can drastically impact the use of energy. By comprehending the correlation between the cyber layer and the physical layer, this research develops an effective and …
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Assessment of Cyber Vulnerabilities and Countermeasures for GPS-Time Synchronized Measurements in Smart Grids
… real-world GPS-spoofing attack (GSA) and false data injection attack (FDIA) scenarios. Moreover, the testbed can incorporates cyberattack detection algorithm in pseudo real-time. After that, we propose three stealthy attack scenarios that exploit the vulnerabilities of time-synchronization …
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Cyber-Resilient Control of Synchronous Condensers
… techniques for the detection and localization of false data injection attacks (FDIA). A comprehensive cyber-resilient exciter control architecture is formulated, integrating these approaches to ensure system stability under both physical uncertainties and malicious cyber intrusions. The efficacy …
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Anomaly Detection for Control Centers
… by the control center dwell on the measurement data received from substations. These measurements estimate the state of the power grid. Measurement-based cyber attacks have been well studied to be a major threat to control center operations. Stealthy false data injection attacks are known to …
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Protection and Cybersecurity in Inverter-Based Microgrids
… of distributed control is cybersecurity. A false data injection (FDI) attack on a microgrid using distributed control can have severe impacts on the operation of the microgrid. Simultaneously, a microgrid needs to be protected from system faults to ensure the safe and reliable delivery of …
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Energy And Power Systems Simulated Attack Algorithm For Defense Testbed And Analysis
… communications such as Supervisory Control And Data Acquisition (SCADA); however, due to their connectivity to the internet, the cyber-power system can be infiltrated by malicious attackers. Encryption is not a singular solution. Currently, there are several cyber security measures in …
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Information-fusion-based methods to improve the detection of advanced cyber threats
… Our experiments using an enterprise network dataset demonstrate that our approach has higher accuracy of detection than any individual monitors alone. Further, our completely unsupervised approach detects more attacks and generates a smaller volume of alerts than a state-of-the-art rule-based …
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Reputation-based Miner Node Selection in Blockchain-based Vehicular Networks
… revolutions in transportation systems, data security, and network security, among many other technology elements. With the rise of smart cities, transportation systems are also being intelligent. An intelligent transportation system requires proper vehicle network infrastructure, data …
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Enabling sustainable power distribution networks by using smart grid communications
… with renewable energy utilization as well as data traffic across a multi-layered distribution network that requires decentralized designs to facilitate power control as well as communications, and 3) a breach of data integrity attributed to a typical false data injection attack in a smart …
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Malicious data detection and localization in state estimation leveraging system losses
… measurement modifications, such as malicious data injection attacks. Recent work by Niemira (2013) has compared real and reactive injection and flow measurements as indicators of attacks. In this work, we improve upon the method used in that work to further enhance the detectability of …
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Bridging Machine Learning for Smart Grid Applications
… grid applications including state estimation, false data injection attack detection, and reliability evaluation. The dissertation is divided into four parts as follows.. Part I: Power system state estimation (PSSE). The PSSE is commonly formulated as a weighted least-square (WLS) algorithm and …
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Detection and prevention of intrusions in power system cyber-physical infrastructure
Cyber-attacks on SCADA (supervisory control and data acquisition) systems used by industrial control systems (ICS), e.g., power grids, can cause severe damage. In December 2015, remote intruders penetrated a Ukrainian power grid and caused a blackout that affected 225,000 residents. Mitigating …
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Energy Efficient Deep Spiking Recurrent Neural Networks: A Reservoir Computing-Based Approach
… A novel method is developed to detect false data injection (FDI) attacks in smart grids. The second novel application of SDFR is the spectrum sensing of MIMO-OFDM DSS systems. DSS is being implemented in the fifth generation of wireless communication systems (5G) to improve the spectrum …
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Analysis of Privacy-aware Data Sharing in Cyber-physical Energy Systems
… blockchain-enabled Supervisory control and data acquisition (SCADA) system. Moreover, we bridge a common and popular industrial control system (ICS) protocol, distributed network protocol 3 (DNP3) with the blockchain network to ensure smooth operation. In addition, we develop differential …
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A fast state-estimation-based data integrity threat detection approach for combined AC-DC bulk power systems
… threat agents can perform are varied and include false data injection and data integrity attacks, spoofing and denial of service. While it is advisable to include information technology-based intrusion detection/prevention techniques to parse and verify the syntax of protocol messages, effective …