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Dissertations / Theses on the topic 'Critical infrastructure systems (CISs)'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Shobeiri, Nejad Seyed Abdelhamid. "Modelling the Economic Impact of Extreme Events on Critical Infrastructure Systems in Australian Industries – Case Study in Finance and Tourism." Thesis, Griffith University, 2014. http://hdl.handle.net/10072/367136.

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Economic and social stability across the world is tightly dependent on a sufficient and reliable flow of goods and services, based on the balance between supply and demand. The basis for the balance between supply and demand is a set of physical assets, processes and organisations that are collectively known as critical infrastructure systems (CIs). CIs are strongly interdependent in two complex ways: namely, physical and informational. Identification of CI interdependencies and interconnections is essential for the study of such supply and demand systems. Importantly, C

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2

Clarkson, Robert D. "Identity Verification Systems as a Critical Infrastructure." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/6777.

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Identity management systems are essential to U.S. homeland and economic security. Systemic fragility has been exploited to facilitate terrorist travel and criminal evasion. The widespread dissemination and use of fraudulent identity documents exponentially complicates efforts to target terrorists and other persons who pose a threat to homeland security. Underage drinkers and illegal immigrants are common supporters and users of the fraudulent document industry. No single source can determine the net effect that these entities have in degrading identity system utility. Identity verification sys

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3

Kleppinger, David Lawrence. "Prioritized Reconfiguration of Interdependent Critical Infrastructure Systems." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/26916.

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This dissertation contains an examination of the problem of reconfiguration for restoration in critical infrastructure systems, with regard for the prioritization of those systems and the relationships between them. The complexity of the reconfiguration problem is demonstrated, and previous efforts to present solutions to the problem are discussed. This work provides a number of methods by which reconfiguration for restoration of an arbitrary number of prioritized interdependent critical infrastructure systems can be achieved. A method of modeling systems called Graph Trace Analysis is use

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4

Dawson, Robert Edward. "Secure communications for critical infrastructure control systems." Thesis, Queensland University of Technology, 2008. https://eprints.qut.edu.au/20710/1/Robert_Dawson_Thesis.pdf.

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In March 2000, 1 million litres of raw sewage was released into the water system of Maroochy Shire on Queensland’s sunshine coast. This environmental disaster was caused by a disgruntled ex-contractor using a radio transmitter to illicitly access the electronically controlled pumps in the control system. In 2007 CNN screened video footage of an experimental attack against a electrical generator. The attack caused the generator to shake and smoke, visually showing the damage caused by cyber attack. These attacks highlight the importance of securing the control systems which our critical infrast

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Dawson, Robert Edward. "Secure communications for critical infrastructure control systems." Queensland University of Technology, 2008. http://eprints.qut.edu.au/20710/.

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In March 2000, 1 million litres of raw sewage was released into the water system of Maroochy Shire on Queensland’s sunshine coast. This environmental disaster was caused by a disgruntled ex-contractor using a radio transmitter to illicitly access the electronically controlled pumps in the control system. In 2007 CNN screened video footage of an experimental attack against a electrical generator. The attack caused the generator to shake and smoke, visually showing the damage caused by cyber attack. These attacks highlight the importance of securing the control systems which our critical infrast

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6

Schneider, Kevin Paul. "Analysis of critical infrastructure interactions /." Thesis, Connect to this title online; UW restricted, 2005. http://hdl.handle.net/1773/5990.

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7

Lane, Sean Theodore. "Vulnerability Analysis of Infrastructure Systems." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8614.

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Complex cyber-physical systems have become fundamental to modern society by effectively providing critical services and improving efficiency in various domains. Unfortunately, as systems become more connected and more complex, they also can become more vulnerable and less robust. As a result, various failure modes become more common and easily triggered from both unanticipated and malicious perturbations. Research has been conducted in the area of vulnerability analysis for cyber-physical systems, to assist in locating these possible vulnerabilities before they can fail. I present two case st

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Chakravarthy, Rasika Mudumbai. "Long-lived authentication protocols for critical infrastructure process control systems." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Spring2009/r_mudumbai_chakravarthy_041509.pdf.

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Thesis (M.S. in computer science )--Washington State University, May 2009.<br>Title from PDF title page (viewed on March 29, 2010). "School of Electrical Engineering and Computer Science." Includes bibliographical references (p. 112-115).

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9

Boutwell, Mark. "Exploring Industry Cybersecurity Strategy in Protecting Critical Infrastructure." ScholarWorks, 2019. https://scholarworks.waldenu.edu/dissertations/7965.

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Successful attacks on critical infrastructure have increased in occurrence and sophistication. Many cybersecurity strategies incorporate conventional best practices but often do not consider organizational circumstances and nonstandard critical infrastructure protection needs. The purpose of this qualitative multiple case study was to explore cybersecurity strategies used by information technology (IT) managers and compliance officers to mitigate cyber threats to critical infrastructure. The population for this study comprised IT managers and compliance officers of 4 case organizations in the

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10

Lam, Juan Carlos. "Dynamic Analysis of Levee Infrastructure Failure Risk: A Framework for Enhanced Critical Infrastructure Management." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/43106.

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Current models that assess infrastructure failure risk are â linear,â and therefore, only consider the direct influence attributed to each factor that defines risk. These models do not consider the undeniable relationships that exist among these parameters. In reality, factors that define risk are interdependent and influence each other in a â non-linearâ fashion through feedback effects. Current infrastructure failure risk assessment models are also static, and do not allow infrastructure managers and decision makers to evaluate the impacts over time, especially the long-term impact of

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11

Naserinia, Vahid. "Cyber resilience for critical infrastructure : A systematic review." Thesis, Högskolan i Skövde, Institutionen för informationsteknologi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-20155.

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Critical infrastructure is a term to define the network of crucial assets for the functioning of a society and modern economies. The complexity of critical infrastructures and the ability to connect smart devices to these networks make them more vulnerable to cyberattacks. One of the cutting events pointing out gaps and importance of the cyber resilience in the nation's infrastructure systems, including Industrial Control Systems (ICS), was the discovery of Stuxnet in 2010, a malicious computer worm attacking Iranian nuclear facilities. The vulnerability of cyber systems was further revealed b

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12

Liberatore, Federico. "Protection planning for critical infrastructure systems in location analysis : models and algorithms." Thesis, University of Kent, 2011. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.544074.

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13

Xu, Xinfeng. "Modeling and Predicting Incidence: Critical Systems Failures and Flu Infection Cases." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/89909.

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Given several related critical infrastructure (CI) networks, such as power grid, transportation, and water systems, one crucial question emerges: how to model the propagation of failed facilities and predict their spread over time to the whole system? Given digital surveillance data, can we predict the impact of Influenza-Like Illness (ILI), including the percentage of outpatient doctors visits, the season duration, and peak? These two questions are related to modeling and predicting the incidence of different types of contagions. In the case of CI, the contagions are the failures of facilitie

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14

Wang, Chuoran. "The study of supply chain facilities and their interconnection with critical civil infrastructure systems." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 37 p, 2009. http://proquest.umi.com/pqdweb?did=1889097581&sid=1&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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15

Le, Van Khoa. "Detection of atypical events for security in critical infrastructure." Thesis, Troyes, 2018. http://www.theses.fr/2018TROY0033.

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Ce travail porte sur la surveillance des infrastructures critiques dans le cadre d'un projet nommé VIRTUALIS mené par Thales. La thèse se concentre sur la détection de comportements inhabituels dans un bâtiment. Deux approches ont été proposées à ce problème de surveillance en fonction de la qualité des données disponibles. La première approche vise à surveiller la région identifiée d'un bâtiment, généralement la zone d'importance particulière telle que salle informatique, salle prototype... Les capteurs recueillent des données qui permettent de construire un modèle statistique simple basé sur

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16

Elrod, Michael. "A Novel Approach to Determining Real-Time Risk Probabilities in Critical Infrastructure Industrial Control Systems." NSUWorks, 2017. http://nsuworks.nova.edu/gscis_etd/1006.

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Critical Infrastructure Industrial Control Systems are substantially different from their more common and ubiquitous information technology system counterparts. Industrial control systems, such as distributed control systems and supervisory control and data acquisition systems that are used for controlling the power grid, were not originally designed with security in mind. Geographically dispersed distribution, an unfortunate reliance on legacy systems and stringent availability requirements raise significant cybersecurity concerns regarding electric reliability while constricting the feasibil

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17

Moore, Michael Ronald. "Exploring Critical Infrastructure Single Point of Failure Analysis (SPFA) for Data Center Risk and Change Management." Thesis, Northcentral University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10975757.

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<p> Critical infrastructure (CI) risk management frameworks require identification of single point of failure risks but existing reliability assessment methods are not practical for identifying single points of failure in CI systems. The purpose of this study was development and assessment of a system reliability assessment tool specific to the task of identifying single points of failure in CI systems. Using a series of action research nested cycles the author developed, applied, and improved a single point of failure analysis (SPFA) tool consisting of a six step method and novel single point

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18

Eldosouky, Mahmoud Salama Abdelrahman A. "Security of Critical Cyber-Physical Systems: Fundamentals and Optimization." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/90281.

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Cyber-physical systems (CPSs) are systems that integrate physical elements with a cyber layer that enables sensing, monitoring, and processing the data from the physical components. Examples of CPSs include autonomous vehicles, unmanned aerial vehicles (UAVs), smart grids, and the Internet of Things (IoT). In particular, many critical infrastructure (CI) that are vital to our modern day cities and communities, are CPSs. This wide range of CPSs domains represents a cornerstone of smart cities in which various CPSs are connected to provide efficient services. However, this level of connectivity

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19

Gay, Alanis Leon F. "Development of a Resilience Assessment Methodology for Networked Infrastructure Systems using Stochastic Simulation, with application to Water Distribution Systems." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/50595.

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Water distribution systems are critical infrastructure systems enabling the social and economic welfare of a community. While normal failures are expected and repaired quickly, low-probability and high consequence disruptive events have potential to cause severe damage to the infrastructure and significantly reduce their performance or even stop their function altogether. Resilient infrastructure is a necessary component towards achieving resilient and sustainable communities. Resilience concepts allow improved decision making in relation with risk assessment and management in water utilities.

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20

Große, Christine. "Strategic Objectives in Complex Planning Environments : Insights from a Swedish Case for Critical Infrastructure Protection." Licentiate thesis, Mittuniversitetet, Avdelningen för informationssystem och -teknologi, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-32820.

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Large-scale and long-term planning imposes extensive requirements on governance efforts regardless of whether it involves public organisations, private organisations, or both. The proportions of such planning entangle many actors and stakeholders as system components within and around a complex system. These system components and conditions in a complex planning environment introduce a diverse variety of strategic objectives into the planning. This study investigates how strategic objectives can affect the governance of complex planning systems, particularly in the context of national critical

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21

Robinson, Herbert Samuel. "A critical systems approach to infrastructure investment and resource management in developing countries : the 'InfORMED' methodology." Thesis, London South Bank University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394440.

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22

GALLI, EMANUELE. "Agent based modeling and simulation for critical and interdependent systems." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2010. http://hdl.handle.net/2108/1324.

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Lo studio delle infrastrutture critiche è un campo relativamente nuovo nella ricerca scientifica e che trova solo recentemente una precisa collocazione nelle differenti aree di ricerca, ovvero la cosiddetta “Protezione delle infrastrutture critiche“ (CIP). Considerando la classificazione di Lewis1, la CIP racchiude sette problematiche ancora da risolvere e che rappresentano le sfide attuali e future per gli scienziati interessati a questa area di ricerca. I problemi considerati riguardano: 1) la vastezza del problema, ovvero la grande dimensione del problema rende impossibile la protezione di

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23

Bollou, Felix Afri. "Interrogating the impact of ICT infrastructure expansion in Francophone West Africa 1993-2005 : a critical theory study using archival data and non-parametric research methods." Doctoral thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/10110.

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Includes bibliographical references (leaves 192-209).<br>This thesis critically investigates the impact of Information and Communication Technology (ICT) infrastructure expansion on Development in Six West African Countries. While recent research has shown that ICT has contributed significantly to economic and social transformation in Western developed countries, the same is not necessarily true for less developed countries. After over a decade of heavy investment in ICT infrastructure expansion in Africa, little empirical research on the contribution of ICT to development has been conducted t

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24

Vandiver, Susan G. "Systems engineering approach to model and analyze the performance of containerized shipping and its interdependencies with the United States critical infrastructure." Ann Arbor, Mich. : ProQuest, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3208092.

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Thesis (Ph.D. in Applied Science)--S.M.U.<br>Title from PDF title page (viewed July 17, 2007). Source: Dissertation Abstracts International, Volume: 67-02, Section: B, page: 1131. Adviser: Jerrell Stracener. Includes bibliographical references.

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25

Sayad, Khaled. "Cross-domain Resilience in Cloud-native, Critical Cyber-Physical Systems Networks : Availability Modeling, Analysis, and Optimization of Critical Services Provisioning." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST028.

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La résilience des Infrastructures Critiques (ICs) est cruciale pour assurer la sécurité et la stabilité socio-économique dans la société moderne. Ces ICs s'appuient sur un réseau complexe de systèmes cyber-physiques (SCPs) couvrant plusieurs domaines tels que les télécommunications et l'énergie, an de garantir un flux continu de services critiques.L'évolution du mode opérationnel des ICs modernes, illustré par l'intégration accrue des technologies cloud-natif dans les réseaux SCPs sous-jacents, introduit de nouveaux dés en termes de résilience face aux cyber-risques, qui s'ajoute au problème d

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26

Branagan, Mark Allan. "A risk simulation framework for information infrastructure protection." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/51006/1/Mark_Branagan_Thesis.pdf.

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Information communication and technology (ICT) systems are almost ubiquitous in the modern world. It is hard to identify any industry, or for that matter any part of society, that is not in some way dependent on these systems and their continued secure operation. Therefore the security of information infrastructures, both on an organisational and societal level, is of critical importance. Information security risk assessment is an essential part of ensuring that these systems are appropriately protected and positioned to deal with a rapidly changing threat environment. The complexity of the

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27

Fialkoff, Marc Richard. "Assessment of the Jones Act Waiver Process on Freight Transportation Networks Experiencing Disruption." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/89069.

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In October 2012, Hurricane Sandy caused massive disruption and destruction to the Mid-Atlantic region of the United States. The intensity of the storm forced the Port of New York and New Jersey to close, forcing cargo diversion to the Port of Norfolk in Virginia. Because of the Jones Act restriction on foreign vessels moving between U.S. ports, the restriction on short sea shipping was viewed as a barrier to recovery. Much of the critical infrastructure resilience and security literature focuses on the "hardening" of physical infrastructure, but not the relationship between law, policy, a

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Cox, Donald Patrick. "THE APPLICATION OF AUTONOMIC COMPUTING FOR THE PROTECTION OF INDUSTRIAL CONTROL SYSTEMS." Diss., The University of Arizona, 2011. http://hdl.handle.net/10150/202691.

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Critical infrastructures are defined as the basic facilities, services and utilities needed to support the functioning of society. For over three-thousand years, civil engineers have built these infrastructures to ensure that needed services and products are available to make mankind more comfortable, secure and productive. Modern infrastructure control systems are vulnerable to disruption from natural disaster, accident, negligent operation and intentional cyber assaults from malicious agents. Many critical processes within our infrastructures are continuous (e.g., electric power, etc.) and c

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Malik, Muhammad Imran. "BEWARE: A methodical approach to develop BEnign and MalWARE datasets." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2024. https://ro.ecu.edu.au/theses/2790.

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Cyber-Physical Systems (CPSes) are continually advancing in many Critical Infrastructure (CI) sectors, such as energy, healthcare, the military, and telecommunication. These systems are persistently targeted by nation-sponsored cyber criminal groups, who continuously refine their techniques and attack methods. Malicious software (malware) attacks are the most common of these tactics and can have severe consequences, as observed in the Stuxnet, BlackEnergy, Industroyer, and Triton attacks. A dataset consisting of validated benign and malware samples is a fundamental ingredient in developing sol

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30

Rossi, Magali Andréia. "Avaliação do uso da rede de telecomunicações aeronáuticas (ATN) para comunicação digital na operação de veículos aéreos não tripulados (VANT)." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/3/3141/tde-18082014-120328/.

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Esta Tese apresenta uma contribuição para avaliação da comunicação digital na operação de veículos aéreos não tripulados (VANT) no ambiente aeronáutico. A comunicação digital aeronáutica relaciona-se diretamente ao nível de segurança crítica desejado para o controle do fluxo de tráfego aéreo, por parte de autoridades e de órgãos normativos, os quais possuem como objetivo tornar a comunicação uniforme para todos os continentes. Diversas são as discussões acerca do nível de segurança crítica que a comunicação digital entre VANT e controle em terra possa exibir, sempre buscando redução da exposiç

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Maguire, Laura Marie Dose. "Controlling the Costs of Coordination in Large-scale Distributed Software Systems." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1593661547087969.

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32

Швець, Валеріян Анатолійович, та Тетяна Вікторівна Мелешко. "Напрями забезпечення доступності і цілісності інформації глобальних навігаційних супутникових систем". Thesis, RS Global Sp. z O.O. Warsaw, Poland, 2020. http://er.nau.edu.ua/handle/NAU/41256.

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Based on the analysis of reports and literature on the vulnerability of global navigation satellite systems, the robot presents a developed threat model and an intruder model for navigation information. Using the developed models, organizational and technical measures to protect information are determined. Directions for improving consumer equipment to jamming are given. Organizational measures for protecting against jamming are described.

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Lahza, Hassan Fareed M. "Designing a feature construction and selection approach for machine learning-based intrusion detection in industrial control system networks." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/132657/1/Hassan%20Fareed%20M_Lahza_Thesis.pdf.

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This thesis presents an approach for constructing new accurate and efficient advanced features to improve the accuracy of detecting cyber-attacks using machine learning on the critical infrastructure networks. The empirical results indicate that our feature construction approach not only outperforms other methods in term of detection rate and performance but also provides automation to the entire construction processes. This thesis also proposes a framework for constructing advanced features for various critical infrastructure communication protocols by adopting and improving the window-based

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Perito, Daniele. "Exécution sécurisée de code sur systèmes embarqués." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00639053.

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Les systèmes embarqués sont utilisés dans de nombreux systèmes critiques, depuis les automobiles jusqu'aux les systèmes de contrôle industriels. La plupart des recherches sur ces systèmes embarqués se sont concentrés sur l'amélioration de leur fiabilité face à des fautes ou erreurs de fonctionnent non intentionnelles, moins de travaux on été réalisés considérant les attaques intentionnelles. Ces systèmes embarqués sont de plus en plus connectés, souvent à Internet, via des réseaux sans fils, par exemple pour leur administration à distance. Cela augmente les risques d'attaques à distance ou d'i

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Pospíšil, Petr. "Správa uživatelů jako zdroje rizik." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2017. http://www.nusl.cz/ntk/nusl-318614.

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This diploma thesis focuses on human resources mainly in Critical information infrastructure and Important information systems. Thesis focuses on the most frequent threats for users and design possible model of threat reduction. Integral part of results is designing of effective security awareness education program according to the Law on Cyber Security.

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"Vulnerability and Protection Analysis of Critical Infrastructure Systems." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.45575.

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abstract: The power and communication networks are highly interdependent and form a part of the critical infrastructure of a country. Similarly, dependencies exist within the networks itself. Owing to cascading failures, interdependent and intradependent networks are extremely susceptible to widespread vulnerabilities. In recent times the research community has shown significant interest in modeling to capture these dependencies. However, many of them are simplistic in nature which limits their applicability to real world systems. This dissertation presents a Boolean logic based model termed a

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"Seismic loss assessment and mitigation of critical urban infrastructure systems." UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN, 2008. http://pqdtopen.proquest.com/#viewpdf?dispub=3301267.

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Kim, Young Suk. "Seismic loss assessment and mitigation of critical urban infrastructure systems /." 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3301267.

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Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007.<br>Source: Dissertation Abstracts International, Volume: 69-02, Section: B, page: 1180. Adviser: B. F. Spencer, Jr. Includes bibliographical references (leaves 120-129) Available on microfilm from Pro Quest Information and Learning.

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Liao, Yi-Hong, and 廖宜宏. "Seismic risk assessment of critical infrastructure systems to the power system." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/55636603145885091447.

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碩士<br>國立中央大學<br>土木工程研究所<br>100<br>Critical infrastructure systems including electric power, water distribution, transportation and telecommunications are important elements in maintaining human economic activities and country development. In critical infrastucture system, electrical power transmission system is the most important element of the others. In recent years, the electrical power transmission systems have been stressed by signiﬁcant natural hazards and human errors leading to malfunction. The seismic disasters are happened frequently in Taiwan. Therefore, seismic risk assessment of t

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"How to Think About Resilient Infrastructure Systems." Doctoral diss., 2018. http://hdl.handle.net/2286/R.I.49314.

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abstract: Resilience is emerging as the preferred way to improve the protection of infrastructure systems beyond established risk management practices. Massive damages experienced during tragedies like Hurricane Katrina showed that risk analysis is incapable to prevent unforeseen infrastructure failures and shifted expert focus towards resilience to absorb and recover from adverse events. Recent, exponential growth in research is now producing consensus on how to think about infrastructure resilience centered on definitions and models from influential organizations like the US National Academy

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Mavee, Sheu Menete Alexandre. "Smart grid critical information infrastructure protection through multi-agency." Thesis, 2015. http://hdl.handle.net/10210/13845.

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M.Com. (Informatics)<br>Critical Infrastructure is the term used to describe assets that are of utmost importance, or in other words, essential in the functioning of an environment. Societies depend on their critical infrastructure in order to maintain and continuously improve on their population’s standard of living. The creation of more self-sustainable methods of energy consumption and generation drives towards the creation of a better and more efficient evolution of the power grid critical infrastructure, named the smart grid. The introduction of the smart grid brought in a paradigm shift

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Heydenrych, Mark. "An adaptive multi-agent architecture for critical information infrastructure protection." Thesis, 2014. http://hdl.handle.net/10210/12370.

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M.Sc. (Information Technology)<br>The purpose of the research presented in this dissertation is to explore the uses of an adaptive multi-agent system for critical information infrastructure protection (CIIP). As the name suggests, CIIP is the process of protecting the information system which are connected to the infrastructure essential to the continued running of a country or organisation. CIIP is challenging due largely to the diversity of these infrastructures. The dissertation examines a number of artificial intelligence techniques that can be applied to CIIP; these techniques range from

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"Modeling, Analysis, and Efficient Resource Allocation in Cyber-Physical Systems and Critical Infrastructure Networks." Doctoral diss., 2016. http://hdl.handle.net/2286/R.I.40732.

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abstract: The critical infrastructures of the nation are a large and complex network of human, physical and cyber-physical systems. In recent times, it has become increasingly apparent that individual critical infrastructures, such as the power and communication networks, do not operate in isolation, but instead are part of a complex interdependent ecosystem where a failure involving a small set of network entities can trigger a cascading event resulting in the failure of a much larger set of entities through the failure propagation process. Recognizing the need for a deeper understanding of

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"Human Resilience and Development in Coupled Socio-technical Systems: A Holistic Approach to Critical Infrastructure Resilience." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.43933.

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abstract: The resilience of infrastructure essential to public health, safety, and well-being remains a priority among Federal agencies and institutions. National policies and guidelines enacted by these entities call for a holistic approach to resilience and effectively acknowledge the complex, multi-organizational, and socio-technical integration of critical infrastructure. However, the concept of holism is seldom discussed in literature. As a result, resilience knowledge among disciplines resides in near isolation, inhibiting opportunities for collaboration and offering partial solutions to

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MONTECCHI, LEONARDO. "A Methodology and Framework for Model-Driven Dependability Analysis of Critical Embedded Systems and Directions Towards Systems of Systems." Doctoral thesis, 2013. http://hdl.handle.net/2158/851697.

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In different domains, engineers have long used models to assess the feasibility of system designs; over other evaluation techniques modeling has the key advantage of not exercising a real instance of the system, which may be costly, dangerous, or simply unfeasible (e.g., if the system is still under design). In the development of critical systems, modeling is most often employed as a fault forecasting technique, since it can be used to estimate the degree to which a given design provides the required dependability attributes, i.e., to perform quantitative dependability analysis. More in

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NOSTRO, NICOLA. "MODEL-BASED APPROACHES TO DEPENDABILITY AND SECURITY ASSESSMENT IN CRITICAL AND DYNAMIC SYSTEMS." Doctoral thesis, 2015. https://hdl.handle.net/2158/947559.

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The thesis presents a work based on the study and research of topics related to resilience and security of complex systems, which present characteristics of heterogeneity, dynamicity, evolvability, interdependencies, interconnections, criticality with respect to the domain of application. Nowadays, the study of such systems and their characteristics is of paramount importance, because they are becoming more and more widespread, affecting our lives and our way of life. For this reason, it is crucial to design such systems with an high level of resilience and security. Indeed, their failures cou

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Bristow, Elizabeth Catherine. "Interdependent infrastructures and multi-mode attacks and failures: improving the security of urban water systems and fire response." 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1082.

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This dissertation examines the interdependence between urban water distribution systems and urban fire response. The focus on interdependent critical infrastructures is driven by concern for security of water systems and the effects on related infrastructures if water distribution systems are damaged by terrorist attack or natural disaster. A model of interdependent infrastructures (principally water distribution systems and fire response) is developed called the Model of Urban Fire Spread (MUFS). The model includes the capacity to simulate firefighting water demands in a community water syste

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(7039955), Casey Allen Shull. "ALGORITHM TO DEVELOP A MODEL PROVIDING SECURITY AND SUSTAINABILITY FOR THE U.S. INFRASTRUCTURE BY PROVIDING INCREMENTAL ELECTRICAL RESTORATION AFTER BLACKOUT." Thesis, 2019.

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<p>Is North America vulnerable to widespread electrical blackout from natural or man-made disasters? Yes. Are electric utilities and critical infrastructure (CI) operators prepared to maintain CI operations such as, hospitals, sewage lift stations, food, water, police stations etc., after electrical blackout to maintain National security and sustainability? No. Why? Requirements to prioritize electrical restoration to CI do not exist as a requirement or regulation for electrical distribution operators. Thus, the CI operators cannot maintain services to the public without electricity that provi

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Βογιατζής, Αρτέμιος. "Αρχιτεκτονική ασφάλειας δικτύων ενσωματωμένων συστημάτων". Thesis, 2008. http://nemertes.lis.upatras.gr/jspui/handle/10889/1547.

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Στην παρούσα διατριβή αντιμετωπίζουμε το πρόβλημα της σχεδίασης ασφαλών δικτύων δεδομένων. Η προσέγγιση που ακολουθούμε είναι συνθετική (bottom up). Εκκινώντας από τα απλά δομικά στοιχεία της ασφάλειας, δηλαδή τους αλγόριθμους και πρωτόκολλα κρυπτογράφησης, δημιουργούμε όλο και πιο σύνθετες δομές ασφάλειας, ώστε να καταλήξουμε σε μία ολοκληρωμένη πρόταση αρχιτεκτονικής ασφάλειας για δίκτυα ενσωματωμένων συστημάτων. Αρχικά εξετάζονται θέματα υλοποίησης αλγορίθμων κρυπτογράφησης. Δίνεται έμφαση σε περιβάλλοντα περιορισμένων πόρων. Παρουσιάζουμε την CryptoPalm, μία βιβλιοθήκη κρυπτογραφίας που α

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Coutinho, Bruno Filipe Passos Ferraz. "Healthcare systems protection: All-in-one cybersecurity approach." Master's thesis, 2021. http://hdl.handle.net/10071/24126.

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Cyber risks are increasingly widespread as healthcare organizations play a defining role in society. Several studies have revealed an increase in cybersecurity threats in the industry, which should concern us all. When it comes to cybersecurity, the consequences can be felt throughout the organization, from the smallest processes to the overall ability of the organization to function. Typically, a cyberattack results in the disclosure of confidential information that undermines your competitive advantage and overall trust. Healthcare as a critical sector has, like many other sectors, a late b

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