What is cloud backup?
Cloud backup is a service that copies the files you choose from your computer over the internet to storage in a remote data centre, so you can restore them if the originals are lost, damaged or deleted. A small program on the computer does the copying, usually on a schedule. It is different from cloud storage, where you manage files yourself, and from sync, which mirrors changes between places.
How cloud backup works
The process has the same shape in most products. You install a backup program on the computer, choose what to protect, and let it send copies of those files to the provider's servers. Later runs usually send only what is new or changed, so you are not re-uploading everything each time.
- Install the backup program
- Choose files and folders
- First backup sends everything
- Later backups send changes
- Data is kept in cloud storage
- Restore the files you need
Large files are typically sent in pieces, so an interrupted connection does not mean starting again from nothing. When something goes wrong on your computer, you sign in, choose the files or versions you want, and restore them to the same computer or another one.
Cloud backup, online backup, cloud storage and sync
These terms are often used interchangeably, but they describe different jobs. Cloud backup and online backup mean the same thing: automatic, offsite copies of your files for recovery. The difference lies with the other two.
What each kind of service is designed to do
| Type | Main job | Who decides what is copied | Typical weakness as a backup |
|---|
| Cloud backup | Keep recoverable copies of files and earlier versions | You choose a set once, and the software runs it | Restore needs internet; not meant for sharing or live collaboration |
|---|
| Cloud storage | Hold files you put there, accessible from anywhere | You, file by file | Nothing is protected unless you put it there |
|---|
| File sync | Keep folders identical across devices | You choose synced folders; the service mirrors them | A deletion or a bad edit is copied everywhere |
|---|
Many everyday products blend these. OneDrive, Dropbox and Google Drive are mainly storage and sync services with extra recovery features such as version history and a recycle bin. Backup vs sync explains the difference in depth, and cloud storage vs cloud backup compares the two types of product.
What cloud backup protects you from
- Hardware failure. A dead drive or a stolen laptop does not take the only copy with it.
- Accidental deletion and overwriting, especially when the backup keeps earlier versions.
- Disasters at home or at the office: fire, flood, theft, or a power surge that damages the computer and a nearby backup drive.
- Some malware damage, because a separate copy exists outside the machine. A backup helps you recover, but it does not stop an infection.
Offsite storage is the key benefit. It is why cloud backup often sits alongside an external drive in the 3-2-1 backup strategy: one copy is quick to restore, and another survives a site-level disaster.
The limits you should know about
- It depends on your internet connection. The first backup can take a long time on a slow upload speed, and a large restore needs bandwidth too.
- It is not instant. Backups run on a schedule, so changes since the last run are not yet protected.
- It is usually a subscription, and the storage you pay for sets a limit on what you can protect.
- You trust a provider. Ask how data is encrypted, who can access it and what happens when you stop paying.
- Scope varies. Some products back up the whole system as an image; others protect files and folders only. Check which one you are buying.
A well-designed service is honest about these limits: it tells you when a backup was incomplete rather than reporting success, and it does not delete earlier backups to make room.
What to look for in a cloud backup service
- You choose what is protected, rather than being forced to back up a whole device.
- Clear results: a backup that is partly complete should not say it succeeded.
- Scheduling so protection does not rely on memory.
- Restore that you can test and that is controlled separately from backup.
- Versions or retention so you can go back before a mistake.
- Security you can understand: encryption in transit and at rest, protected sign-in, and honest statements about what is not yet offered.
- Platform fit: make sure your operating system is supported.
The full buyer's checklist is in How to choose backup software.
How Tornova fits in
Tornova Backup is cloud backup for Windows PCs. A Windows app reads the files, folders or drives you choose and sends them to the cloud; the website shows your account, backup results and restore. Backups can run on a schedule through Automatic Backup, and Smart Backup checks your set once a day, week or month and sends only new or changed files.
Data is encrypted in transit and encrypted at rest in cloud storage. Backup storage uses Azure Blob Storage with zone-redundant storage, and the primary infrastructure is hosted in the United States, accessible worldwide. Restore starts on the website and is completed by Tornova App on the selected PC. See the security page for exactly what is and is not covered, and the features page for more.
What Tornova does not do Tornova protects files and folders on Windows. It does not create a full system image, it does not run continuously in real time, and client-side encryption is planned but not available. There is no macOS or Linux version today.
To see how it feels in practice, read Getting started with Tornova Backup or begin with a trial.
Frequently asked questions
What is the difference between cloud backup and cloud storage?
Cloud storage holds files you put there yourself. Cloud backup runs on your computer, copies the files you chose on a schedule, and aims to let you restore them and earlier versions after a loss.
Is cloud backup the same as online backup?
Yes. The two terms describe the same thing: sending copies of your files over the internet to remote storage so they can be restored.
Is cloud backup safe?
Safety depends on the provider. Look for encryption in transit and at rest, protected sign-in with optional two-step verification, and plain statements about what the provider does not yet offer. No service can honestly promise zero risk.
How long does the first cloud backup take?
It depends on how much data you protect and your upload speed. The first run sends everything, so it is the longest; later runs send only new and changed data.
Do I still need an external drive if I use cloud backup?
Many people keep both. A drive gives a fast local restore, and the cloud copy survives theft or fire. See cloud backup vs external hard drive.
Keep reading
JavaScript is needed to sign in, buy a plan or use the dashboard.