That means you not only get encryption but also compression for free, which reduces the storage space you use in the cloud or the backup space on your external harddrive.
The encryption is done using the LZMA SDK, which also compress them at the same time. The encrypted folder is usually located somewhere inside your cloud storage sync folder. The second folder of such a pair is the encrypted folder which is where the files get copied from the original folder and encrypted. One folder is called the original folder: that's where your unencrypted files are stored and where you work with your files. You can even use CryptSync from the command line to trigger your encrypted backups.ĬryptSync works by synchronizing folder pairs. Of course, you can use CryptSync for backups to an external drive as well. If you want to backup and encrypt your files to more than one cloud storage (just to be safe), you can do that as well: just set up two sync pairs with the original folder being the same for both pairs. Because even if the companies behind the cloud storage guarantee your privacy, it's always possible that your account gets hacked: so make sure you use a different password to encrypt the data with CryptSync than you use to login to your cloud storage provider! That means only uploading encrypted files to make sure no one else can access your data. If you want to use such cloud storage for backups, it's a good idea to keep your private data really private. This is best used together with cloud storage tools like OneDrive, DropBox or Google Drive.
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