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Cloud Storage is a relatively new concept in the storage realm. In the past hard disk drives were utilized to store large amounts of data either at home or on company premises. Hard Disk Drive storage however brings solves some problems, but also creates other problems which go beyond just simply storing hot data. While storing data on HDDs works well as long as one does not think about what could happen if hard drives get destroyed, or just happen to malfunction.

Cloud Storage is here to solve the problem in multiple ways. On one hand your data remains available at all given times, while on the other hand it allows archival and backup of data off premises. As the data is stored in the cloud, this means there is no physical device that can possibly malfunction, no blackout that could destroy data, and no device that can be stolen or lost. Also with Cloud Storage there is no maintenance on the users' side, so the only thing a user needs to care about is the data which is stored in the cloud itself.

However, with Cloud Storage services there are certain parameters a user needs to take into account when deciding not the "if" to leverage cloud storage, but which cloud storage service to use.

So what is the difference between Cloud Storage and "Secure Cloud Storage"?
Think of Cloud Storage like being a storage board at home. You fill it with books and other stuff, and anyone who can access your home has access to it. Of course you can access your files from all kind of devices, but there is no guarantee that the storage provider itself or any unwanted entity can access your data.
"Secure Cloud Storage" on the other hand, think of it like being a vault. You lock it and nobody except you can access it. Somebody might steal the vault, but even in this case, what ever stored in it is inaccessible and thus useless chunks of bits and bytes, because only you, the user, has the right password to unlock it. Secure basically in this context means encrypted. Encrypted with a Password that only the user knows, and therefore the policy at XXL Cloud is called "Zero Knowledge". This means not even we, the provider, know what our users store in XXL Box Crypto LibrariesTM, thus this means we do have zero knowledge of our users' data.
Why Secure Cloud Storage over simple Cloud Storage? Simple Answer: You don't post your personal data on a white board in the middle of your town. Why would you do such thing with cloud storage?
Always remember. Your data and privacy is the most valuable thing you have!

Cloud Storage Feature Overview

Cloud Storage

Cloud Storage means that your files are stored in the cloud at at-least 3 different locations, thus making it impossible to loose your valuable files due to drive failure or device loss.

Security & Encryption

Your files are encrypted end-to-end, thus making it impossible for intruders or hackers to view the plain contents of your files. Security is XXL Cloud's main concern.

Drive Sync

Choose which folders you wish to sync with the cloud and your other devices. Sync files from Windows to Mac and your mobile or tablet devices.


Your files are constantly backed up, once a file has changed it is stored as a revision to the previous version. You choose the folders that you wish to add to your backups.

File and Folder Sharing

Share files and folders public or private. Password protect shares or create purely upload folders to which files can be uploaded by third parties.


You decide on how long you wish to keep revisions of your documents. By default 30 days, but you can set it to any period you decide works best for you.

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