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The Impacts of a Ransomware Attack: Risk Management and Implementation of the Minimal Security Standard
Syrovátková, Lucie ; Alena,, Rybáková (referee) ; Sedlák, Petr (advisor)
The aim of the thesis is to implement cyber security in a small company as a result of a suffered ransomware attack based on the requirements of the Minimal Security Standard, which is a support material for entities that are not regulated by the Cyber Security Act in the Czech Republic. The main goal is achieved through the three main parts into which the thesis is divided. The introductory part is a theoretical support for the remainder of the thesis and contains the main concepts and areas that are used in the thesis. The analytical part focuses on the description of a possible vector of a ransomware attack and its consequences. In the second part of the analytical chapter, the current situation of the company is assessed in comparison to the requirements of the Minimal Security Standard. The last part proposes specific security measures, creation of security policies adapted to the company's capabilities and an economic evaluation.
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Mapping Cyber Security Measures: From Legislation to Technical Implementation
Hopp, Jiří ; MSc, Mezera Michal, (referee) ; Sedlák, Petr (advisor)
In my thesis, I focused on creating a systematic tool for mapping technical measures and mitigations to national legislative cybersecurity requirements. I conducted an analysis of the addressed issue, which revealed opportunities for developing the tool and revealed forthcoming changes in legislative requirements based on the EU directive NIS2. In the following part of the thesis, I described the design and development of the mentioned tool in the form of a table. The tool met the client's requirements and mapped relevant technical measures to individual points of the current and NIS2-derived legislative requirements. Based on consultations with the client, I determined that the objectives outlined in the thesis were successfully met and that the developed tool will be utilized in a real-world environment.
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ISMS Implementation in the Enterprise
Pawlik, Jan ; Sedlák, Petr (referee) ; Ondrák, Viktor (advisor)
This master thesis deals with the implementation of the information security management system according to the standard ISO/IEC 27 001 in the environment of a small company. In the first part, it focuses on the theoretical background of the information security. The second part deals with the analysis of the company and concept of a company's measures to increase the security of information within the selected company.
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Impact of IIoT security on proactive maintenance of company's assets
Chomyšyn, Maxim ; Vladimír,, Türkon (referee) ; Sedlák, Petr (advisor)
This work examines possible safety risks associated with the operation of IIoT technologies in industrial production. The content of this document is an analysis of used IIoT technologies, their purpose and method of implementation into production processes and the company's technology strategy. The outcome of this analysis will serve to develop possible risk scenarios and their associated impacts. Finally, I recommend possible changes that either eliminate these risks completely or at least minimize them.
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Weak Points Analysis of Distribution Network in Municipality with High Numbers of Photovoltaic Sources
Sedlák, Petr ; Lunga, Jiří (referee) ; Paar, Martin (advisor)
The master‘s thesis deals with the issue of weak points of the distribution network in a municipality with high numbers of photovoltaic sources. Photovoltaic power plants are gradually being added to the current state of the electric power distribution network of a specific municipality, while changes in the network are being monitored. Due to the output of the highest possible power from the sources into the distribution system in compliance with the established rules, the thesis also describes network modifications. These established rules of connection and operation of resources in the distribution network and effects of injecting disturbances in the low voltage network are discussed in the theoretical part of the thesis.
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Charge Transport and Storage in a Supercapacitor Structure
Kuparowitz, Tomáš ; Zedníček, Tomáš (referee) ; Hájek, Karel (referee) ; Sedlák, Petr (advisor)
Práce se zabývá studiem superkondenzátorů (SC). Výstupem je detailní studie principů přenosu náboje ve struktuře SC, ukládání energie a nový náhradní model SC, který je založen na fyzikálních zákonitostech a principech SC. Dále byl vytvořen matematický model SC, který popisuje chování náboje v jeho aktivní vrstvě. SC byly testovány metodami umělého stárnutí. Závislosti poklesu parametrů SC vlivem různých metodik stárnutí jsou v práci shrnuty.
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Information Security Management in Healthcare Organization
Hajný, Jiří ; Sedlák, Petr (referee) ; Ondrák, Viktor (advisor)
The diploma thesis focuses on implementation and deployment of information security management system (ISMS) into healthcare organizations. Specifies what is required to include in this process and what not to forget. It includes a risk analysis of a branch of the selected company, and for it is written a safety guide. Safety guide provides advice and recommendations regarding security in terms of human resources, physical security, ICT security and other aspects that should be included in the ISMS deployment in healthcare organizations. The work also reflects the newly emerging law on cyber security. It is expected that the law will also address cyber security in healthcare.
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Design of smart home control systém and security management
Valentová, Kateřina ; Kubek, Ján (referee) ; Sedlák, Petr (advisor)
This master's thesis is focused on design of smart home control system with focus onsecurity of system in terms of information, network and physical security. Design is based on the requirements of the house owner and his needs. In thesis is assembled risk analysis with security measures to the individual threats. Complete design of cable system is not a part of this work, thesis is particularly focused on questions about security of the entire intelligent system.
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Building security awareness at the Faculty of Business and Management
Volfová, Jana ; Ondrák, Viktor (referee) ; Sedlák, Petr (advisor)
This diploma thesis is focused on Security Awareness Education at the Faculty of Business and Management. It consists of three main parts: theoretical, analytical and practical considerations. The theoretical part is the introduction to basic terms, processes and analysis to help understand the thesis. The analytical part includes an introduction to the chosen organization and the implementation of analysis, which were presented in the theoretical part. The practical part contains, among other things, the actual proposals for Security Awareness Education at the faculty and its benefits.
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