Protection of user data and companies, including cloud storage, has always been and remains the responsibility of the users themselves. You have to understand that your data is uploaded into universal access and take the appropriate degree of confidentiality of data protection measures. On the market already has many solutions for data encryption in the cloud storage, for both home and corporate users. And create your own work of data encryption scheme before it is sent to the cloud can be even on the basis of open-source development. For companies wishing to obtain the degree of ease of access to data from multiple devices, similar to modern konsyumerskim products (eg, Dropbox, BOX.net), can be recommended to pay attention to products intended for the construction of a private cloud, and secure file sharing, which is based storage in the data center the company itself.