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With the fast growth of Information Technology (IT), organisations rely mostly on web services, cloud services and recently on Big Data Analytics services (BDA services), in order to support their business services. To securely use these services, service clients sign a Service Level Agreement (SLA) with service providers, regarding a particular service provision. Typically, SLAs define the properties...
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...
This paper presents a certification model for Non-repudiation (NR) of cloud storage services. NR, i.e., The possession of proofs that certain exchanges have taken place amongst interacting parties, is a significant security property for cloud data storage services. Our model for certifying NR is based on continuous monitoring and has been defined and realised according to the CUMULUS approach. It...
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