Cloud storage services and file sharing apps such as Dropbox, Box, Microsoft OneDrive and Google Drive are so widely adopted by employees—knowingly or unknowingly by their IT departments—that most don’t think twice about using them to share corporate information.

File Synchronisation and Sharing (FSS), or Cloud Storage solutions such as Dropbox, Onedrive, and Google Drive, enable individuals to sync and share documents, photos and other files across multiple platforms and devices. The success of Cloud Storage is largely driven by the consumer adoption of mobile devices and mobile workers requirements to access documents anywhere on any device. Cloud...