Evaluation of Access Control Techniques in Cloud Computing

Cloud Computing is an advanced evolving technology. It is a technology in which authorised user can store, retrieve and delete data from cloud computing environment. Mostly it is used for storage of data because now a day’s storage of data in safe space is a critical problem. Data kept in cloud can be retrieved any time and at any place, if you are legitimate user and having internet access. Main benefit of use of this technology is you don’t worry about the data storage capacity, equipment purchasing and access speed. Even with of this technology data sharing is very easy. According to use of this technology cloud computing is categorised into service models as SaaS, PassS and IaaS. As data security is depends on user authentication it is also depends on access control.