Tauber, Markus

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Tauber, Markus
Akademische Titel
Ehemaliger FH Mitarbeiter
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Scopus Author ID
37058207900
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exstaff

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  • No Thumbnail Available
    Publication
    Towards continuous Cloud Service Assurance for Critical Infrastructure IT
    (2014-08-27)
    Hudic, A. 
    ;
    Mauthe, A. 
    ;
    Caceres, S. 
    ;
    Hecht, T. 
    ;
    Tauber, Markus 
    The momentum behind Cloud Computing has revolutionized how ICT services are provided, adopted and delivered. Features such as high scalability, fast provisioning, on demand resource availability makes it an attractive proposition for deploying complex and demanding systems. Clouds are also very suitable for deploying systems with unpredictable load patterns including Critical infrastructure services. Though, the major obstacle in hosting Critical infrastructures is often a lack of assurance. The transparency and flexibility offered by the Cloud, abstracts per definition over e.g. data placement, hardware, service migration. This makes it very hard to assure security properties. We present an investigation of assurance approaches, an analysis of their suitability for Critical Infrastructure Services being deployed in the Cloud and presents our approach.
      119  1Scopus© Citations 8
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    Publication
    Towards a Security Cost Model for Cyber-Physical Systems
    (IEEE, 2019-01)
    Ivkić, Igor 
    ;
    Mauthe, Andreas 
    ;
    Tauber, Markus 
    In times of Industry 4.0 and cyber-physical systems (CPS) providing security is one of the biggest challenges. A cyber attack launched at a CPS poses a huge threat, since a security incident may affect both the cyber and the physical world. Since CPS are very flexible systems, which are capable of adapting to environmental changes, it is important to keep an overview of the resulting costs of providing security. However, research regarding CPS currently focuses more on engineering secure systems and does not satisfactorily provide approaches for evaluating the resulting costs. This paper presents an interaction-based model for evaluating security costs in a CPS. Furthermore, the paper demonstrates in a use case driven study, how this approach could be used to model the resulting costs for guaranteeing security.
      468  1Scopus© Citations 4
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    Publication
    A Multi-Layer and Multi-Tenant Cloud Assurance Evaluation Methodology
    (2015)
    Hudic, A. 
    ;
    Tauber, Markus 
    ;
    Loruenser, T. 
    ;
    Krotsiani, M. 
    ;
    Spanoudakis, G. 
    ;
    Mauthe, A. 
    ;
    Weippl, E. 
    Data with high security requirements is being processed and stored with increasing frequency in the Cloud. To guarantee that the data is being dealt in a secure manner we investigate the applicability of Assurance methodologies. In a typical Cloud environment the setup of multiple layers and different stakeholders determines security properties of individual components that are used to compose Cloud applications. We present a methodology adapted from Common Criteria for aggregating information reflecting the security properties of individual constituent components of Cloud applications. This aggregated information is used to categorise overall application security in terms of Assurance Levels and to provide a continuous assurance level evaluation. It gives the service owner an overview of the security of his service, without requiring detailed manual analyses of log files.
      153  3Scopus© Citations 8