Security problems in cloud infrastructure

Cloud computing is the emergence of a logical continuation of the computing history, following in the footsteps of mainframes, PCs, Servers, Internet and Data Centers, all those had changed radically the way of our everyday life which adopt the technology. Cloud Computing is able to provide its customers numerous services through Internet. The Virtualization is the secret to the establishment of a Cloud infrastructure. With any technology, it presents both benefits and challenges; the virtualization is not an exception to this rule. In this context, the Cloud infrastructure can be used as a springboard for the generation of new types of attacks. Therefore, security is one of the major concerns for the evolution and migration to the Cloud. In this paper, an overview of security issues related to Cloud infrastructure will be presented, followed by a critical analysis of the various issues that arise in IaaS Cloud and the current attempts to improve security in the Cloud environment.