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Theses and Dissertations

Cybersecurity

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Full-Text Articles in Engineering

Development Of A Security-Focused Multi-Channel Communication Protocol And Associated Quality Of Secure Service (Qoss) Metrics, Paul M. Simon Sep 2022

Development Of A Security-Focused Multi-Channel Communication Protocol And Associated Quality Of Secure Service (Qoss) Metrics, Paul M. Simon

Theses and Dissertations

The threat of eavesdropping, and the challenge of recognizing and correcting for corrupted or suppressed information in communication systems is a consistent challenge. Effectively managing protection mechanisms requires an ability to accurately gauge the likelihood or severity of a threat, and adapt the security features available in a system to mitigate the threat. This research focuses on the design and development of a security-focused communication protocol at the session-layer based on a re-prioritized communication architecture model and associated metrics. From a probabilistic model that considers data leakage and data corruption as surrogates for breaches of confidentiality and integrity, a set …


The Cyber Security Evaluation Of A Wireless And Wired Smart Electric Meter, Patrick Nnaji Aug 2021

The Cyber Security Evaluation Of A Wireless And Wired Smart Electric Meter, Patrick Nnaji

Theses and Dissertations

In this thesis, an Experimental cyber security evaluation of Wireless Smart Electric Meter has been performed under cyber security attacks. The security integrity of data collection from EPM 6100 Power Quality Wireless Smart Electric Meter under a wireless cyber-attack was evaluated. After which the security integrity of data collection from the same Wireless Smart Electric Meter was evaluated under a different configuration. In this Thesis, we tested three different smart meters for their connectivity under different cybersecurity attacks. We compared the security integrity of the three different smart meters to measure their response under different cybersecurity attacks.


Conceptual Systems Security Analysis Aerial Refueling Case Study, Martin Trae Span Iii Mar 2018

Conceptual Systems Security Analysis Aerial Refueling Case Study, Martin Trae Span Iii

Theses and Dissertations

In today’s highly interconnected and technology reliant environment, systems security is rapidly growing in importance to complex systems such as automobiles, airplanes, and defense-oriented weapon systems. While systems security analysis approaches are critical to improving the security of these advanced cyber-physical systems-of-systems, such approaches are often poorly understood and applied in ad hoc fashion. To address these gaps, first a study of key architectural analysis concepts and definitions is provided with an assessment of their applicability towards complex cyber-physical systems. From this initial work, a definition of cybersecurity architectural analysis for cyber-physical systems is proposed. Next, the System Theory Theoretic …