Advanced Security Models for Cloud Infrastructures

Cloud Computing is the next-generation Internet paradigm that is offered to the business environment, educational domain and, generally, to individual users. While educational institutions and individuals quickly embraced this new technology, companies were reluctant, most of their doubts being related to the security problems. With that in mind, companies prefer Private Cloud model due to their tight security policies for data and applications. Also, a preference to address the security problems on the client-side always existed and will continue to do so in order to keep control on the confidentiality of company data. In this paper we focused on the analysis of several security methods applied in Cloud Computing environments and we proposed two security models that can overcome the safety issues