International Journal of Network Security & Its Applications (IJNSA)
**UGC Listed, ERA Indexed**
ISSN 0974 - 9330 (Online); 0975 - 2307 (Print)
Article
BIG DATA SECURITY AND PRIVACY ISSUES IN THE
CLOUD
Authors
Ali Gholami and Erwin Laure
High Performance Computing and Visualization Department, KTH- Royal Institute of Technology, Stockholm, Sweden
High Performance Computing and Visualization Department, KTH- Royal Institute of Technology, Stockholm, Sweden
Abstract
Many organizations demand efficient solutions to store and analyze huge amount of information. Cloud
computing as an enabler provides scalable resources and significant economic benefits in the form of
reduced operational costs. This paradigm raises a broad range of security and privacy issues that must be
taken into consideration. Multi-tenancy, loss of control, and trust are key challenges in cloud computing
environments. This paper reviews the existing technologies and a wide array of both earlier and state-ofthe-art projects on cloud security and privacy. We categorize the existing research according to the cloud
reference architecture orchestration, resource control, physical resource, and cloud service management
layers, in addition to reviewing the recent developments for enhancing the Apache Hadoop security as one
of the most deployed big data infrastructures. We also outline the frontier research on privacy-preserving
data-intensive applications in cloud computing such as privacy threat modeling and privacy enhancing
solutions.
Keywords
Cloud Security, Privacy, Trust, Big Data, Virtualization, Data Protection
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