Date Added: Sep 2011
Cloud computing is incipient model that unleash new novelty where users can store data and use the services from a shared collection of resources. cloud computing is inflate hastily, becoming more challenging to protect data against malicious attack and loss of information, so its security's gradation are becoming more clear. This failure can harshlyspoil a company's status, result in significant financial losses. In this paper, the authors converse how data in the cloud can defend from malevolent users and what type of security provided to keep data away from unauthorized users. There are numerous contests are being raised for espousal of the cloud including data security, availability and confidentiality. To consuming the benefit of cloud computing the personnel database must be cosseted from unatuhorized access.