New version of iSCSI protocol to secure Cloud data storage

Cloud computing has appeared as a new paradigm offering services and resources through Internet, it also offers storage services to users to store their data using different ways and accessible anywhere if needed. Storing data in Cloud is a new trend, which individual and organizations uses it, but like any technology there is no lack of flaws, security aspect is the most important and this influence on the cloud storage that's why some users hesitate to use. In our paper we study the security of Cloud storage environment; we expose and discuss some researches that had been proposed to secure the data stored in the cloud. And then we will present our new model based on the concatenation of two protocols iSCSI and FASP to ensure safety and data confidentiality.