Multi-Authority Access Control Mechanisms in Cloud: A Review

Cloud computing is a computing technology or information technology architecture used by organization or individuals. It launches data storage and interactive paradigm with some advantages like on-demand self-services, ubiquitous network access. Due to popularity of cloud services, security and privacy becomes major issue. This paper addresses study of privacy preservation issues and also provides an idea to how to overcome the issues. Also it provides a brief survey on various Robust Access Privilege Control mechanism used for providing privacy in cloud storage