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  • 1.
    Amin, Skorupan
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    Eyetracking som interaktions-hjälpmedel i fordon: Utveckling och utvärdering av ett ögonstyrt infotainmentsystem2018Independent thesis Basic level (degree of Bachelor), 12 HE creditsStudent thesis
    Abstract [en]

    The purpose of this study was to develop and evaluate a new eye-controlled infotainmentsystem that worked differently compared to similar systems. What differs this new system is that personal calibration is not necessary to be performed before each time the system is to be used.

    The method Design Science Research (DSR) has been used where an artifact has been developed and then investigated. Experiments have been conducted to find out how well the infotainment system works when it uses a relative gaze towards an absolute, but also to find out how users should confirm their gaze in the best way. For confirmation of gaze, three different methods have been used; button press, blink, and gazing. The collected data from the experiments have been matched to evaluate how well they stand against each other.

    The result of the study shows that when the infotainment system used relative gaze, it worked in as many attempts as it did using absolute. The result times were very similar to each other which shows that the both methods works well even when face calibration is not used, but the collected data was uneven which made it difficult to draw conclusions about which one was faster. The study also shows that keystroke was the best-suited method to use to confirm gaze.This method was much faster than other methods.

    A limitation of the study has been that data collection was only done on two occasions. On more occasions more data could have been generated, which would have made it easier to draw more conclusions about the response times.

  • 2.
    Anhammer, Ida
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Asp, Rebecca
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Informationssystemets inverkan på SMF i logistikbranschen: Fallstudie på Pallservice Renova Syd AB2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose – The aim of the study is to identify, from an operational and strategic perspective, the impact of a digital information system on SME in the logistics industry.Based on the purpose of the study, two questions have been formulated.

    • What effects can a digital information system provide on an information flow at an operational level?• What strategic benefits can a digital information system give?

    Method – A case study has been conducted on a small logistics company that manages, repairs and manufactures pallets. The data collection was conducted through interviews and observations. Based on the data collection, a literature study has been conducted where an inductive approach has been used. A comparison and analysis between the literature study and empirical data has generated the results of the study.

    Findings – With regards to operational and strategic perspective, a digital information system may have different types of impact on SMEs. From an operational perspective, a digital information system can have the following effects:• Operations can be reduced• Reduction of lead time• Enables increased quality of information and information may be available in real time• Creates prerequisites for forecasts, which in return creates a good basis for planning and decision making

    The benefits identified at a strategic level of implementing a digital information system are:• Competitive advantage• Decision can be taken based on correct information• Creates new opportunities• Better customer relations

    Implications – This study highlights the impact of digitization on companies and provides evidence that digitalization of information systems can lead to shorter lead times, reduced documents and safer information in the flows. The study's findings reinforce and confirm the existing theories that a digital information system can help a company to create more effective processes and a smoother management of its information. The case company illustrate a problem that more logistics companies may experience and where an information system can be a solution for easier management and more up-to-date information.

    Limitations – The purpose of the study is to investigate a company's information flow linked to a specific product category. The economic aspects of information management are not considered in this study.

  • 3.
    Gustavsson, Josef
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Aktiesammanställare med teknisk analys och simulation2013Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Websites today only offer simpler form of technical analysis and are not fun to use, therefore student decided to build a website that makes technical analysis a bit more fun by giving user possibility to experiment with settings for technical indicators and also see clear visible results from analysis. Student decided to build website in ASP.NET. Technical indicators for this project only consist of those who give buy and sell-signals via cross-over, no divergence or pattern finding.This project has three questions that define this project. It’s important that there is good functionality so that performing an analysis is perceived as simple, one question is therefore; what functionality for website is needed in order for analysis to be perceived as more simple?Technical analysis is a pretty complex subject and demands an interface that is perceived as easy to understand and easy to use, it’s therefore important that the interface is well designed, second question is therefore; how should the interface be designed to be user-friendly?When systems grow large they often become hard to develop and later on unmaintainable because of the accumulated complexity and dependency between classes, the code is a mess, the last question is therefore; how can the systems complexity be eased with object-oriented design principles?Jakob Nielsens ten heuristics for User Interface Design were used as inspiration for designing the interface for the website. The system design follows SOLID principles, some pattern-design were also used because pattern-design often fulfills SOLID principles or makes for pretty good solutions in regular code-problems.At the beginning of the project the student did a small research to find out what was needed in order to complete project. Work-method for project follows agile development where decisions were made on a weekly basis. The project was divided into three phases where each phase was strongly coupled to a specific area of responsibility. Prototypes for interface were made and used as a basis for the resulting interface.The project led to a working website with good functionality. Filter was considered as important in order to ease shaping of analysis because the user could more easily sort and pick stock. The student assumed that the user would want fast and easy access to their stock so portfolio management were implemented so that user could more easily get to stock that was considered as favorites. The interface follows to a big extent Jakob Nielsens ten heuristics for User Interface Design and is proven by comparing interface with principles. The same goes for design of the system, design is proven by comparing with principles, still to this day system is considered easy to continue development.Student made the conclusion that SOLID principles were very important in order for the system to maintain its health and took experience from these principles. Student became happy with the interface but more focus could’ve been given for a more interactive interface because it might’ve been perceived as more intuitive.

  • 4.
    Ippoliti, Elena
    et al.
    La Sapienza University of Rome.
    Meschini, Alessandra
    Univerity of Camerino.
    Moscati, Annika
    Architettura delle informazioni e Architrttura informatica sul caso studio di Appignano del Tronto2008In: DISEGNARECON, ISSN 1828-5961Article in journal (Other academic)
  • 5.
    Ippoliti, Elena
    et al.
    Sapienza University of Rome.
    Moscati, Annika
    Sapienza University of Rome.
    New means of knowledge: 3D, 3D-GIS and Web GIS2010In: XIII International Congress of Architectural Graphic Expression, Valencia, May 27th to 29th, 2010., Valencia, Spain, 2010Conference paper (Refereed)
  • 6.
    Johansson Enell, Lina
    et al.
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    Hoffman, Emelie
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    Den ständiga kampen mellan serif och sans serif: Typografins digitala utveckling2016Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Detta examensarbete är en del av utbildningen Kandidatpåbyggnad med inriktning Informatik som är ett påbyggnadsår för Grafisk design och webbutveckling på Jönköping University: School of Engineering.

    Vid en snabb granskning av hemsidor idag går det enkelt att se att det är dominerande att använda sans serif-typsnitt både till rubriker och i brödtext. I grafiska utbildningar lärs det ut att för bäst läsbarhet bör serifer användas i brödtext. Syftet med examensarbetet var att undersöka vad som påverkar läsbarheten på en digital skärm och varför det inte är vanligare att använda serifer på en webben, med tanke på hur långt tekniken kommit idag med nya högupplösta skärmar som inte borde påverka användningen av serifer. Syftet var även att undersöka om val av typografi idag alltid baseras på typografiska regler.

    Resultatet visade att ett serif-typsnitt upplevs som mer lättläst än ett sans serif-typsnitt oberoende på om de läses på en digital skärm eller på ett tryckt papper. Resultatet visade även att dominationen av sans serif-typsnitt på webben beror på en vana som hänger kvar sen förr, men att detta troligen kommer att förändras i framtiden.

    Det finns geografiska begränsningar i arbetet, då examensarbetet endast undersöker södra Sverige. För att öka validiteten kunde representanter från hela Sverige ha deltagit. Det hade kunnat påverka och förändra resultatet. Undersökningen hade kunnat förbättras generellt genom att utveckla den och använda fler typsnitt, för att få ett tydligare svar på frågeställningen den undersökte. Även detta hade kunnat påverka resultatet till något annat.

  • 7.
    Johansson, Sonny
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    “Bring your own device” i svenska företag och organisationer2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Most companies and organizations today depend on technology connected to the Internet. Schools and offices have therefore been providing computers, phones and other technology to the employees. The recent technological development and decline in prices for technology have contributed to making these products a part of everyday life for most people. This has made it very common for employees and students to bring their own devices into school and workplaces.

    The aim of this study is to define what "Bring your own device" means for Swedish companies and organizations and how it has been implemented in those. The aim is not mainly to generalize to all Swedish companies but create an understanding how the trend is used to provide a basis for continued research in this area. The questions this thesis aims to answer is:

    1. What does the term "Bring your own device" mean in the Swedish organizations and companies in which it is implemented?
    2. How is "Bring your own device" implemented in Swedish organizations and companies?
    3. What are the policies and guidelines for the Swedish organizations and companies that have implemented "Bring your own device", and how is compliance?

    A pragmatic approach has been used to incorporate previous studies while keeping the interview questions open to new approaches. The structure has been small-N studies that go deep into a number of cases, in order to more profoundly explain a phenomenon. Mail interviews have been used to collect data from the persons responsible for "Bring your own device" in the different organisations.

    The result shows that companies see "Bring your own device" as a trend where employees bring their own devices rather than firms providing employees with devices that they use privately. Respondents have not measured or examined how the introduction of BYOD has affected productivity. It seems, like in foreign studies, to be a lack of clear policies and guidelines regarding the phenomenon.

  • 8.
    Kaidalova, Julia
    et al.
    Jönköping University, School of Engineering, JTH. Research area Information Engineering.
    Kaczmarek, Tomasz
    Poznan University of Economic, Department of Information Systems.
    Seigerroth, Ulf
    Jönköping University, School of Engineering, JTH. Research area Information Engineering.
    Shilov, Nikolay
    St Petersburg Institute for Informatics and Automation of RAS.
    Semantic Web Technologies in Business and IT Alignment: Multi-Model Algorithm of Ontology Matching2013In: Fifth International Conference on Advances in Future Internet (AFIN 2013) / [ed] Davoil, R., Curran Associates, Inc., 2013, p. 50-57Conference paper (Refereed)
    Abstract [en]

    The importance of using appropriate and effective IT means to facilitate business functions have been acknowledged and discussed by practitioners and scientists over the past two decades thus giving a rise to the Business and IT alignment (BITA) problem. In BITA, the issue of sharing and processing large amounts of information from distributed and heterogeneous sources is of significant importance. Ontologies have shown their usability for this type of tasks. However, they also bring new challenges. The paper proposes utilising of the Semantic Web technologies to assist in solving them. Namely, the paper describes application and adaptation of the ontology matching algorithm for the BITA problem. The algorithm integrates different matching models. Its operation is shown via an illustrative example.

  • 9.
    Kara, Dilen
    et al.
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    Jalil, Zaid
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    IoT-nätverk baserade på LoRaWAN: Informationskvalitet i LoRaWAN2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The Internet was initially built around networks based on physical cables, the next step to improve the accessibility of the Internet came with the introduction of wireless communication. the next step to improving accessibility to the Internet came with the introduction of wireless communication. Because the IoT products are wirelessly connected, they need an internal power source in the form of a battery. Many of the existing communication protocols are therefore not suitable for IoT solutions because they are power consuming. Alternatives to these communication protocols have therefore been developed, for example LTE-M, NB-IoT and LoRaWAN.

    The study was conducted in cooperation with Etteplan. Etteplan want to invest in LoRaWAN and thus want to gain deeper knowledge within LoRaWAN. Thus, it was chosen to investigate how different factors affect the signal strength transmission time in a LoRaWAN. The focus of the study has thus been on the communication between an IoT node and a receiver in a LoRaWAN, thus the purpose of the study:

    To show how different data rates, distances and environments affect the quality of information sent from an IoT node to a receiver in LoRaWAN.

    Design science research was used as a research method, in design science research an artefact is constructed and then studied. In this study, a LoRaWAN was constructed and the communication between an IoT node and receiver in this LoRaWAN was studied. To study the communication between the IoT node and the receiver, two experiments were performed. The experiments were performed simultaneously where the difference was in the data collected, one experiment collected the signal strength and the second the transmission time. The experiment was conducted in two different environments, one with a clear view and one with blockages. In the experiment, the IoT node was positioned at different distances with different data rates.

    The result of the study shows how different data rates, distances and environments affected the quality of information between an IoT node and receiver and how they relate to previous research. Data rate was the factor that affected the quality of the information most. Data rate had minimal impact on signal strength, but great impact on number of lost data packet and transmission times. The two different environments had no effect on the transmission time, but the signal strength was over 10 dbm lower in the urban environment than with clear view. The distance had no effect on transmission time and minimal impact on signal strength.

  • 10.
    Karlsson, Linda
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Dataöverföring mellan en mobiltelefon och en NFC-läsare2012Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report is about using a wireless communication technology called NFC (Near Field Communication) when communicating between a mobile phone using an Android operating system and a NFC reader called ACR122U. The purpose of this project is to:

    • Select an Android phone which supports NFC.
    • Create an application that runs on the Android mobile phone and which shall send a password via NFC.
    • Create a program which will run on a PC running Windows 7 and which will handle ACR122U.
    • Explain the gathered knowledge in this document so that others may more readily be able to work with NFC.

    The following questions will be answered in this report:

    • Which Android mobile phone should be used when developing an application which will communicate via NFC?
    • What is required when developing an application that can communicate via NFC?

    Action research is the research method that was used when searching for answers to the questions above. This means the research is done by reading about the subject, implementing one or more solutions in order to find a working solution and then documenting the results. The implementation of the software on the mobile phone was done with a lot of help from the Android Developers website. When developing the software to be used by the computer to handle ACR122U a lot of research was made. A demo application and a java library called “nfctools” made by the German company GrundID GmbH were very useful when trying to figure out how the communication works. The program that handles ACR122U was developed through alternating between reading and testing different solutions.

    The mobile phone that was chosen during this project is Samsung Galaxy Nexus running Android 4.0.The software that handles ACR122U needs to handle these things:

    • Sending data via USB to ACR122U – This was done using a class called “ModWinsCard” which came with an NFC development package.
    • An ACR122U Pseudo-APDU (Application Protocol Data Unit) command.
    • Some of ACR122U’s NFC controller (PN532) commands.
    • Some parts of the NFC layers: NDEF (NFC Data Exchange Format), SNEP (Simple NDEF Exchange Protocol) and LLCP (Logical Link Control Protocol).

    It is important to know which NFC layers are implemented in the devices that are to communicate with each other via NFC. The same layers must be used when packing and unpacking data.

  • 11.
    Käll, Nathalie
    et al.
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Fransson, Rebecca
    Jönköping University, School of Engineering, JTH, Industrial Engineering and Management.
    Internet of Things påverkan på informationsflödet: En fallstudie på Saab Training & Simulation2018Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Purpose: This study aims to explore how Internet of Things could be integrated in manufacturing companies to reduce the potential inadequacy in an information flow. To achieve this, two research questions were formed: 

    1. How is the information flow designed in a manufacturing company that produces customer-specific products? 

    2. What possibilities does Internet of Things give information flow to reduce potential inadequac

    Method: A pilot study was conducted to help the authors create a picture of the study's problem area. Later a literature study and a case study were conducted. The literature study was conducted to create the theoretical framework and included areas such as Internet of Things, information, communication, information flow and information systems. The case study conducted at a large manufacturing company and was consisted document studies, observations and a focus group. The results of the study are generated through a pairing of the theoretical framework and empirical study. 

    Findings: The company's information flow was complex and contained a lot of manual management of information and communication. This turned out to create consequences for the information’s reliability, relevance, and timing. It has therefore been found that there are improvement opportunities through an integration of IOT in the information flow. A digitalization of an information flow can lead to creation of standard process and a larger and safer amount of shared information. 

    Implications: The study contributes theoretically by evaluating how IOT can contribute to innovative ways of working with information flows at manufacturing companies; this by analysing key aspects of a current information flow and IOT. Practically, the study contributes to identifying potential improvements by integrate IOT in a corporate information flow. 

    Limitations: The study is of a one-case-design which limits generalisability. Therefore, other companies may need to examine their specific requirements before taking advantage of the study. The generalization increases slightly due to the broadness of the term IOT and that it can be applied in a wide range of areas. The method chapter has been carefully designed and described to increase the study's reliability.

  • 12.
    Moregård, Jonathan
    et al.
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Kristiansson, Johan
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Att skapa grunden tillkassasystemsapplikationer för Android: Undersökande arbete samtimplementation2013Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This paper was made together withTechPay AB, by their request.

    The dissertation has been divided into two separate parts; one of which is fully theoretical, with the focus on the security requirements of a digital cash register, and how to meet these requirements.

    The second part covers the implementation of anAndroid-oriented Java-library,created with help from the security requirements found in the first part. The purpose of this library is to make it easier to develop a cash register that uses payment terminals from TechPay.

    This paper also covers different communication protocols, encryption techniques and recommendations from authorities, banks and Android. This paper also contains a small review of how users are validated in applications on the current market that handles money transactions.

  • 13. Moscati, Annika
    Sistemi informativi integrati per la valorizzazione del patrimonio urbano-architettonico, tra 3D GIS, AIS e Web2012Doctoral thesis, monograph (Other academic)
    Abstract [en]

    Currently in the field of management, enhancement, territory and cultural heritage analysis, two types of information systems offer significant tools: GIS (Geographic Information System) and AIS (Architectural Information System). The first one manages urban and territorial scale data, the second one administers architectural scale data. For a complete management and analysis of the built heritage, both scales (territorial-urban and architectural) are essential, but despite numerous attempts made in recent years, currently no system is really able to manage them simultaneously. After a thorough analysis of both types of systems, and a careful study of the state of the art, this research aims to create a hybrid system, which is a new interface that allows to simultaneously view an AIS, a GIS and a window for the management of spatial queries. Considering the deep differences between the two systems, the ultimate goal is to integrate them by proposing a new hybrid system (HS) to solve the problem of scale change (from analysis to synthesis) using a new data structure and a new interface.

  • 14.
    Nilsson, Anton
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Massövervakningens påverkan på intresset för öppen källkod2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The year 2013 presented the largest disclosure of clandestine documents to date. These documents entailed information regarding global surveillance programs and their operation by intelligence-agencies such as the U.S NSA (National Security Agency) and locally in Sweden by NSAs counterpart the FRA (National Defense Radio Establishment). Furthermore, intelligence-disclosures revealed that large IT-companies participated in these surveillance-actions and actively shared user-data with the NSA. As a result of the disclosures there was an especially noticeable outcry from supporters of open source software who spoke out against these surveillance-programs as a gross violation of civil liberties. As a result of this a study felt appropriate to reveal if an interest towards open source has changed or become more representable within Swedish businesses.

    The aim of this study is to evaluate if companies within the IT-sector consider global surveillance as affecting their business, as well to ascertain if open source is being used within the business-model, or if it has become a more representable option since global surveillance was disclosed.

    An empirical study was conducted to answer these questions from a business and organizational standpoint by the use of interviews by randomly selected respondents. An evaluating questioners-guide was designed to promote candidness in the respondents’ answers and opinions as well as to encourage discussions.

    The result indicates that Swedish companies and businesses in general haven’t implemented any major changes to their system architecture. They have instead opted to focus on revising their IT-security policies as well as adopting a new approach towards how management of sensitive files are to be stored and shared in a safe manner. The adoption of open source within businesses has grown in scale, and it is now considered a more acceptable alternative as well as a god basis to build applications and softwareupon. Companies with a very distinctive Microsoft-strategy however have shown some resistance in the adoption of open source, mainly because of high deployment costs, while maintain and asserting confidence towards their IT-suppliers. The essence of it all dictates that there may be a connection between global surveillance and an interest towards open source within the IT-sector, but that this is still somewhat premature to comment on as major changes in infrastructure take time to implement and that companies don’t yet know how global surveillance will affect them in the future.

  • 15.
    Tirosh, Daniél
    Jönköping University, School of Engineering, JTH, Computer Science and Informatics.
    Design utav kompakt multifrekvent RFID-system2019Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Radio Frequency Identification, RFID, is a wireless identification method which uses electromagnetic fields in order to communicate with electronic tags in the vicinity. In recent years, in conjunction with the digitalization of society, RFID has become a popular method for digital identification. RFID, as a method for digital identification, is often used for credit card payments in store, access control to locked rooms and renting books at libraries. As a result of RFID growing rapidly, different frequencies have emerged. In order to benefit from different frequencies, a multi frequency RFID-reader was designed. The purpose of this study was to examine which difficulties arise in the development of a small multi frequency RFID-reader. This study shows that a small multi frequency RFID-reader lacks the conditions that are required to reach the read distance specified in available research. Furthermore, the study shows it is difficult to read different tags simultaneously without the use of a RTOS or a multicore processor.

  • 16.
    Tisma, Eddie
    et al.
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Nilsson, Johan
    Jönköping University, School of Engineering, JTH, Computer and Electrical Engineering.
    Development of Web portal for health centre Aroma in Vetlanda2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This exam paper has been made with the health care center Aroma in Vetlanda. The work was to deliver a complete web portal with an integrated booking system. The objectives were to provide a complete informative website for Aromas users with the option to make an appointment for a vaccination or health certificate, order prescriptions and get update information directly published by Aromas staff. And to give the staff of Aroma a graphical Web interface to manage the content and the booking system.The report goes through the basic language used and why. Further it takes up it how works and how the final product looks and behaves.

  • 17.
    Vaezipour, Atiyeh
    et al.
    Jönköping University, School of Engineering, JTH. Research area Information Engineering.
    Mosavi, A
    Jönköping University, School of Engineering, JTH. Research area Information Engineering.
    Seigerroth, Ulf
    Jönköping University, School of Engineering, JTH. Research area Information Engineering.
    Visual Analytics for Informed Decisions2013Conference paper (Refereed)
    Abstract [en]

    Energy efficiency heavily depends on effective building construction. It is more appropriate if one can predict energy efficiency of the house before building it.Here simple application of the Nearest Neighbors lazy learning techniques improveestimating the energy efficiency of a building. Visual analytics tools considered a smart solution as a function of modeling parameters by using Machine Learning framework in a suitable way. It is a powerful way to improve energy saving in building construction and making informed decisions.“LIONsolver with a novel implementation of machine learning plus optimization provides a highly advanced environment for predictive analytics. In this poster a case study from the LIONbook is presented where the energy consumption for a newhouse project is predicted. The predictive analytics environment of LIONsolver in this case study has transformed the optimal design from a very complicated and time consuming process to a very speedy and simple strategy for design and decisionmaking.”

  • 18.
    White, Ciaran
    Jönköping University, Jönköping International Business School, JIBS, Informatics.
    Security in Cloud Computing Environments2019Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Cloud Computing Security is an important theme connected to international privacy laws such as the European GDPR. Companies are required to secure their systems and encrypt sensible personal data to an appropriate level. This leads to different security measures and security solutions in different companies and industries. The purpose of the study was to identify suitable security measures and data encryptions in different company settings and their connection to Cloud Computing environments. A literature review and a multiple case study in four different companies from different industries were conducted. The findings were then analysed in a cross-case analysis split into the focus areas of Cloud Computing, Security issues and measures and different encryption methods. Based on these results, a model was developed combining both the findings from the review and the case-study, emphasizing the importance of appropriate security measures implemented in the Cloud Computing environment for both clients and service providers as well as the importance of the underlying trust requirements to enable a successful joint-venture. The final discussion addresses theoretical, ethical and managerial implications as well as the limitations. Finally, an outlook on future research topics in the field of Cloud Computing, IT Security and Encryption Methods is given and discussed.

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