When you save a file locally, it gets stored on the hard drive of your laptop, phone, PC, or other devices until you decide to either send the file somewhere else, transfer it to another storage medium such as an external drive or USB stick, or simply delete it. But what about services like Dropbox, Google Drive, and Microsoft OneDrive, which store your data on the cloud? Let’s take a look at what the cloud actually is and whether it’s as safe as its proponents claim.