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Modern approaches of providing services such as cloud computing are increasingly used worldwide, and it is a promising way to provide information technology services. Cloud computing promises to increase the efficiency of the management of information technology services, optimize costs and also allows rapid deployment of IT services. The aim of this work is to find where to utilize cloud computing services in the Czech Republic, and how. The objectives were realized through research. Subsequently based on the results of this research there is proposed a model for selecting cloud management solutions for businesses in the Czech Republic. Studies were conducted, among others, in form of a questionnaire survey aimed to analyze the current situation and to deliver data for subsequent analysis of the interaction between the factors that may affect the organization during selection of cloud solutions. Further research was focused on the analysis of the conditions of the Czech Republic in terms of cloud computing and to find differences that distinguish the Czech Republic from other countries around the world. The thesis brings realization of the proposed model that will help organizations to decide whether and how to use cloud services, an overview of the current situation and analysis of the specifics that affect cloud services in the Czech Republic.

This thesis aims to introduce a phenomenon called the Internet of things (IoT) and its wireless networks, it brings short overview about the topic and it's history. In the next part of the thesis, there is presented a list of currently used wireless networks and they are compared to specialized networks developed for the Internet of things. This part also contains a short analysis of the Internet of things' current network's coverage, the analysis focuses on the countries which are the world's leaders in technology development. These countries are also compared with the Czech Republic. In the practical part of the thesis is introduced a vision of ideal smart house. Afterwards, a project of implementation of smart devices is presented. This project aims at reaching the same attributes as the presented vision. The main part of the project is dedicated to designing a wireless network using the Zigbee standard.

This work is devoted to description of Raspberry Pi computers, their commissioning and verification of their functionality by the author. The first part deals with the basic introduction of Raspberry Pi single-board computers, the Raspberry Pi Foundation and a short history of computer development. Three competing products of the present time are also described. In the practical part, the author describes how to get the Raspberry Pi computer to work for common computer users using the Raspbian operating system and memory card and everything is validated by the author. In the last phase of the work, the use of Raspberry Pi is described for household monitoring and for monitoring of various variables. The author of this work verifies that by connecting a Raspberry Pi camera module or various sensors such as temperature sensor or motion detection sensor. There will be briefly described other possibilities of using Raspberry Pi computers at the end of the thesis.

This bachelors thesis focuses on the topic of securing web applications using the offensive security methods. The first part aims to present the terminology of the topic, introduce the top ten most critical web application security risks according to OWASP Top 10 2017, then present Kali Linux, its tools and used methods. The practical part aims to perform penetration testing on authors own web application in Kali Linux environment with the use of available automated tools. Results of performed tests are thoroughly covered throughout all phases of testing. Authors recommended solutions for the threats and vulnerabilities discovered.

The aim of this Master thesis is to choose appropriate authentication method for logging in to the electronic banking. The chosen solution will serve as an additional factor for authentication and authorization of client and at the same time as the replacement of the outdated security method GRID card. Development and direction of the electronic banking is explained in the theoretical part of the thesis. Further on, the advantages of this channel that are provided to clients and bank, are described. Some of the trends which daily affect the direction of the electronic banking are also described. Security is very important part of the electronic banking and that is why it is mentioned in the each part of this thesis. The practical part contains proposed cancellation procedure of GRID cards and proposal of the new solutions that could replace them in the future. It also contains selection and description of evaluation criteria and multi-criteria evaluation of the selected solutions. Saaty method and scoring method were used to determine the weight of the particular criteria. Conclusion of the thesis compares achieved results of the individual authentication methods and assets of this Master thesis.

This bachelor thesis focuses on the topic of Internet of Things, specifically intelligent housing. The theoretical part consists of introduction of the main automation parts in which you can implement smart devices, basic realization of infrastructure and applications used for maintenance and control. The practical part describes model audiovisual infrastructure draft and possible integration of surveillance camera system. The primary contributions of this paper are introduction of automated home to readers, the most favorite hardware solutions of this concept, model representation of audiovisual infrastructure of smart home and comparison between wired and wireless home automation systems.

This bachelor's thesis deals with the topic of web application security. The purpose of the theoretical section is to introduce the problem of web application security in general and highlight the means of exploiting the security vulnerabilities. The next part of this section is dedicated to the Open Web Application Security Project (OWASP) organization, with the primary focus on the OWASP Top Ten Project, describing the ten most critical web application security vulnerabilities. The practical section is about testing the security of the given application using penetration testing. After introducing the application, appropriate testing tools are selected and the testing process is described. Finally, the test results are summarized and all found security weaknesses are fixed.

This bachelor thesis adresses the topic of malware, a malicious software on the internet. Theoretical part is divided into several chapters, describing malware, its risks and prevention. In the first chapter, reader learns the definition of malware, its distribution and the history until presence. Content of another chapter will include anticipation of development and impact on society. At the end of the teoretical part, risks and threats, prevention and protection will be described. Anti-malware programs will be also described. Part of the practical part is the analysis of the actual malware behaviour applied to the PC. It deals with the construction, functionality and lifecycle of malware. Goal of this bachelor thesis is to familiarize readers with the ambush that arise during carelessness and inadequate protection during the use of the internet. At the same time, reader will learn in the practical part about how malware works and how to proceed with its removal.

This bachelor thesis is focused on the current trend in usability of mobile phones which is paying contactless at merchants using NFC. The beginning of this thesis is aimed at explaining basic terminology, business model, current market share of mobile operating systems and technologies such as NFC, Secure Element, Host Card Emulation and tokenization. This part is followed by categorizing and describing different applications for contactless payments in Czech Republic. These applications can be viewed as applications released by certain banks (bank applications) or by other companies (nonbank applications, often connected to a specific operating system). Part of this thesis is also aimed towards wearables and potential future development regarding contactless payments in Czech Republic. Main goal of this thesis is to analyse different applications based on predetermined criteria. Conclusion of this analysis is used to fulfill the goal of this bachelor thesis which is identifying the most advantageous applications. Last objective of this thesis is to sum up a list of recommendations for potential users to secure their experience.

This bachelor thesis is about creating own base for technology called Apple HomeKit. The first part of thesis is about introducing and presenting minicomputer Raspberry Pi, platform Apple HomeKit, platform Arduino and communication protocol MQTT. In the next part there is description about how to set and install Raspberry Pi as a common user. The phase part is about description how to install and set required software on Raspberry Pi. There is an information about setting and programming own sensors (thermometer and humidity sensor) and how to add our base with these sensors into the iOS application called Home. Costs overview is included in this part too.

The topic of the bachelor thesis is Analysis of wireless network security in home area. Target of theoretical part is to provide complex information about problematics Wi-Fi, options of security and questions associated with it. Practical part focuses on introducing theoretically threats along with practical examples. In the final phase is the target to make recommendations, introduce settings for end user about security and protect of their own wireless sites.

The main aim of this work is to test the security of content management system GetSimple by means of OWASP methodic. The first part is devoted to the theory and clarification of specific terms which are used in the field of web application security. Further on, it introduces a chosen GetSimple system including its parameters and requirements for a host server. The second part contains the penetration testing itself. Each test includes the aim, instructions and in case of discovery of vulnerability a suggestion for improvement. The testing is subject to OWASP methodic standards and it is managed according to the OWASP Top Ten documentation. The added value of this work is finding the security risks of the chosen system.

This thesis deals with the functioning of the electronic toll system. The first section describes the electronic fee collection, the architecture of the electronic toll collection system and the EU transport policy. The next section describes the electronic fee collection in the Czech republic and neighbouring countries. As a conclusion is a personal recommendation for a better functioning of the system in the Czech republic.

The thesis deals with analysis of online marketing, especially PPC advertising. The AdWords system, a platform from Google on which PPC campaigns function on, is described here. The structure and the principle of how these advertisements work are explained in the theoretical part. In the practical part we look into the company McRAI s.r.o., that uses this system for their promotion. Targets, which were determined for their campaign, combine an effort to increase the number of business entities that contact the company through our advertisement and to increase the number of visitors to the company's website. At the end, the PPC advertising is summarized as a whole. There is also mentioned the result we have achieved with our PPC campaigns for our client.

This master thesis deals with the topics Information Security Management by the group of ISO/IEC 27000 norms and implementation of the Information Security Management System (ISMS) in one particular company. The theoretical part describes the group of norms ISO/IEC 27000 and the legislation and institutions related to these norms. Then the theoretical framework of a risk analysis is introduced. The benefits and possible obstacles when implementing the ISMS in an organization with emphasis on small businesses is described at the end of the theoretical part. The practical part includes a complex risk analysis and measures to be taken for the revealed risks. Furthermore, it involves the settings of the information security internal rules in the company Bluepool s.r.o. with regard to the risk management and information security policy. The conclusion of this part puts forward a proposal of the process and examples of implementation, time schedule and budget for implementation of adopted measures.

This bachelor thesis deals with the description of methods for identification and preparation of incident solutions caused by malicious software, which can be retrieved by its various forms. In the theoretical part, the reader is firstly introduced to the situation before the occurrence of a security incident. Along with this, there are presented currently the most widespread types of malicious software, ways of spreading, its forms and tools for communication with attackers. Then follows initial response to the incident, after that there is described the measurability of security incidents, categorization, classification according to various criteria and determination of safety classes. The practical part, which is dealing with incident solution procedures, analyzes the security incident and explains in details, how to behave in this situation and about what to be aware. For the sake of completeness, the future development of the informatics industry is also mentioned. The aim of this thesis is to create a complex that can be used for example as a supporting material for the incident solutions caused by malicious software, which primarily affects security.

This bachelor thesis is focused on the internet of things and GPS navigation applications. The first part of the thesis consists of theoretical basics to familiarize the reader with the internet of things, its development, areas of use and security. Currently, built in navigation devices and navigation applications in smartphones are used separately, the internet of things is going to change that. In the second part todays GPS navigation applications are analyzed and compared based on the selected criteria and it is verified if the navigation applications for smartphones can replace the built in solution of BMW X5. The applications are compared based on their functions. The aim of this thesis is to analyze each of the selected applications and compare them based on the selected criteria and choose the best replacement for the built in solution until there are combined solutions available with synchronization between the built in navigation system and a navigation application.

This thesis has one secondary and two primary goals. The first primary objective is to analyse the most widely used mobile web browsers and most popular mobile navigation. Applications are evaluated on the basis of defined criteria, which is assigned a weight using the Saaty method of paired comparison. Information obtained from this analysis are used to accomplish the second primary goal. The second primary goal is to analyse the most widely used mobile platforms and find out which platform has available the best navigation and browsers. The secondary objective of this work is to acquaint the reader with the most popular mobile plat-forms. Reading this work will help reader in choosing a mobile navigation, mobile web brows-er or a mobile operating system for his mobile devices.

My bacherols thesis on the topic Analysis of the current condition of cybernetic criminality in EU focuses in its theoretical part on the definition of the term cybercrime. This term is very comprehensive, therefore the vast majority of the paper consists of the variety of forms of cybercrime. There are talking specificaly about attacks againts personal computers and software systems, attacks, that lead up to misuse of computers, datas and other information, breaking the copyright and last, but not least using the computers againts the law. An integral part of the thesis is the current legislation, investigation of a cyber offense and the defense againts cybercrime. And interesting chapter are the trends from the years 2010 to 2016, where I mention the most interesting real-life cases of cybercrime. The main aim of the practical part of the thesis is unification of recommendations and rules concerning the defense againts cybercrime based on my obtained information and experience.

This bachelor thesis deals with a currently major issue of cyber security, which is phishing. The study is also specific in that it is focused on the gaming industry, which is subjected to a detailed analysis. The first goal of thesis is to acquaint the reader with problems of security risks of phishing in general and in game related fields. To achieve this goal, in the introduction of the theoretical part of the work, the general problem of phishing with a view on historical development and expansion is presented. Furthermore is described topic of gaming industry, its trends of videogames and security risks of online trading. The second goal is to give future and existing Steam users an overview of common phish-ing attacks and countermeasures. To achieve this goal, in the analytical part of the work, a specific gaming platform in online trading and distribution of game is selected, Steam from Valve. In the practical part of the work, eight selected phishing attacks are conducted to brief analysis and completed into a final evaluation and countermesures of all attacks.

The purpose of this bachelor's thesis is to describe security issues of knowledge sharing web applications. Basic terms related to the topic are defined in the theoretical part. Types of tests that can be used to verify safety of the application are described further, followed by introduction of OWASP foundation and their development and documentation projects. The project OWASP Top Ten 2013 informing about the ten most critical security threats to web application is then described in more detail. Finally, theoretical part presents knowledge sharing applications and their best-known open-source representatives. Practical part of the thesis is dedicated to penetration testing the three most widely used wiki applications. A particular testing methodology is presented, including the procedure and the results of the tests themselves. The results are commented and explained in detail and the overall security of every application is evaluated. Contribution of this bachelor's thesis is verification of security in currently most widely used knowledge sharing applications and finding their vulnerabilities. The test results together with the found insufficiencies will be sent to the developers of these applications.

The objective of this thesis is to analyze and review external security of mobile applications providing mobile banking on Android operating system. The theoretical section is aimed to describe the prerequisites for security analysis and the technological design of security for this kind of applications. Related practical section is based on the data acquired by the author in which the technological security is examined. Products of the companies Air Bank, a.s. and Moneta Money Bank, a.s. were selected to be examined in the practical section. These two companies are sample of the current Czech bank market. The examined level of security of both of the applications and their comparison are covered in the conclusion of the thesis.

The main objective of this bachelor thesis is an analysis of denial of service attacks and the subsequent simulation of selected denial of service attacks. To achieve the goal of this thesis, the initial point in theoretical part consists of the defined main terms related to denial of service attacks. These terms are: cyber attacks, denial of service attack and distributed denial of service attacks. Further in this part of this thesis is defined description of the person who executes denial of service attacks and motives, which lead the person to these acts. At the conclusion of the theoretical part of the thesis are mentioned several classifications of denial of service attacks. The practical part of the thesis is then focused on the analysis of the most frequent denial of service attacks and their possible defense. Furthemore, this section also includes a general defense against denial of service attacks and the known examples of denial of service attacks younger than two years. Based on the acquired knowledge about the denial of service attacks, is in the conclusion of the practical part of the thesis made simulation of two selected methods of denial of service attacks.

This thesis deals with e-mail server and anti-spam protection. Its content is the presentation of information on various types of spam, anti-spam protection options and principles of e-mail communication. Furthermore, the content of this work is to install and configure e-mail server and test its anti-spam filters. Test results are compared with the results of the free e-mail inboxes. The main goal is to provide readers with comprehensive information on spam issues, and also helping them when making e-mail server on their own. Testing anti-spam protection should offer insight on the quality of the chosen solutions for e-mail server.