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Visar resultat 1 - 5 av 6 avhandlingar som matchar ovanstående sökkriterier.

  1. 1. Aspects of Modeling Fraud Prevention of Online Financial Services

    Författare :Gorton Dan; Lars-Göran Mattsson; Simin Nadjm-Tehrani; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Online banking; fraud; incident response; metrics; incident response tree IRT ; value at risk VaR ; simulation; Transportvetenskap; Transport Science;

    Sammanfattning : Banking and online financial services are part of our critical infrastructure. As such, they comprise an Achilles heel in society and need to be protected accordingly. The last ten years have seen a steady shift from traditional show-off hacking towards cybercrime with great economic consequences for society. LÄS MER

  3. 2. Designing and Maintaining Trustworthy Online Services

    Författare :Christer Rindebäck; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Trust and trustworthiness are two notions that have been discussed extensively in the computer science community, e.g. trust in online banking services.We argue for a broad view on trust, namely trustworthy behavior of online services. LÄS MER

  4. 3. Essays on Land Lease Markets, Productivity, Biodiversity, and Environmental Variability

    Författare :Mintewab Bezabih; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; JEL-codes: C7; C21; C35; C61; C88; C93; D00; D2; Q02; Q12; Q15; Q29; Q51;

    Sammanfattning : Paper 1: Tenure Insecurity, Transaction Costs in the Land Lease Market and Implications for Gendered Productivity Differentials This study assesses the link between land leasing behavior and productivity differentials between male and female-headed households. A double-moral hazard model allows us to show that the landlord’s tenure insecurity leads to a sub-optimal level of effort on the tenant’s part, via its impact on the likelihood of contract renewal. LÄS MER

  5. 4. Essays on Efficiency Measurement and Corporate Social Responsibility

    Författare :Constantin Belu; Göteborgs universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Corporate Social Responsibility; Sustainable Development; Data Envelopment Analysis; DEA; Strategic CSR; System-GMM; Information Technology; Technical Efficiency; Stochastic Frontier Analysis; SFA; Panel Data; Technical Efficiency; Vintage; Putty-Clay; Best-Practice;

    Sammanfattning : Paper 1: Ranking corporations based on sustainable and socially responsible practices. A Data Envelopment Analysis (DEA) approach This study ranks publicly listed corporations based on social and environmental (i.e. LÄS MER

  7. 5. Enhancing IT Systems Cyber Resilience through Threat Modeling : Cyber Security Analysis of Enterprise Systems and Connected Vehicles

    Författare :Wenjun Xiong; Robert Lagerström; Simon Hacks; Jelena Zdravkovic; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Cyber Security; Threat Modeling; Attack Simulations; IT Systems; Security Analysis; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Information technology (IT) systems are growing in complexity and are becoming more and more connected. Such connected systems can increase flexibility and productivity while also introducing security threats. LÄS MER