World Backup Day is here again – 5 tips to keep your precious data safe


In the early days of personal computers, everyone knew why backups were important.

Computer storage simply wasn’t as reliable as it is today, and it wasn’t a question of if you’d lose vital files through no fault of your own, but when it would happen. (Possibly today; probably tomorrow; almost certainly by next week.)

And malware attacks were in some ways worse back then, even though we didn’t have $10,000,000 ransomware demands in those days.

The creators of viruses, worms and Trojans hadn’t yet figured out how to make money out of malware, so they often simply deleted or corrupted all your data just for the sake of it.

They wanted to make you pay, but with tears rather than in Bitcoin.

These days, however, ransomware aside, you could be forgiven for assuming that your data will be there whenever you need it, because “hard disks” (as we still call them) feel as though they’re unbreakable, unburstable, untrashable, invincible.

Indeed, ever since I stopped using CDs and traditional rotating hard disks more than a decade ago, I’ve had a grand total of zero disk failures.

Not one.

But I’ve still lost access to data for a whole truckload of other reasons, mostly down to simple but regrettable mistakes such as saving over the wrong file, wiping the wrong device, uploading last month’s data over this month’s data in the cloud, or even just realising I’d left my laptop at home when I really needed to look something up on it.

So, given that it’s World Backup Day today, here are five short and simple tips for keeping your precious data safe…


Do you find yourself wondering, “Should I make a copy of my thesis/tax files/source code/vital data/customer database today? Or can I put it off until tomorrow/this weekend/financial year-end/never?”

Don’t delay, because the only backup you will ever regret is the one you didn’t make.


Do you really need all the data you collect, or is there data you’re hoarding and aren’t going to look at again?

You can reduce the time and space needed to make a full backup, and simplify your privacy and compliance obligations at the same time, by getting rid of data you don’t need.


As the old saying goes, “Dance like no one’s watching. Encrypt like everyone is.”

Protect your backups from prying eyes by encrypting your backup data before it leaves your computer, so it’s secure both in transit and in storage.


Even an encrypted backup is no good if cybercriminals delete it during an attack.

On-line, “live” backups are useful for day-to-day or hour-by-hour rollback of unwanted changes, but you should aim to keep at least one recent backup that’s off-line and ideally also off-site.


Do you know not only how to recover the right version of a single lost file in an emergency, but also how to rebuild entire systems in case of a ransomware disaster?

Practice makes perfect, because a backup that you can’t restore in time isn’t a backup at all.

Remember, World Backup Day isn’t the one day every year when you do a backup.

It’s the day you build a backup plan into your digital lifestyle, to be sure, to be sure.

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