March 31: World Backup Day

Edward Johnson, hi-tech and engineering expert, March 31, 2025

Local and cloud backup

Local backup, via an external hard drive, a NAS or a USB stick, allows direct access to files in the event of a computer failure. At the same time, cloud backup offers protection against physical disasters such as fires, floods or theft. Using both solutions helps secure your files while ensuring quick recovery in case of a problem.

Tools and software for data backup

Tools such as Acronis True Image and EaseUS Todo Backup allow full system backups, ensuring complete recovery in the event of a failure. Cloud services such as Google Drive, Dropbox and OneDrive offer automatic synchronization options that keep important files continuously up to date. Tools such as Veeam Backup are suited to professional environments for backing up servers and virtual machines. For better security, hybrid software such as Backblaze and IDrive combine local backup and remote storage, offering double protection against disasters and cyberattacks.

Common mistakes to avoid when backing up

Ignoring backup verification is a mistake that can lead to permanent data loss if the process fails. Keeping backups in the same place as the main device exposes them to risks in case of fire, theft or water damage. Not encrypting sensitive data can allow third parties to access confidential information in the event of a hack. Relying on a single storage medium is also risky, since a single hardware failure is enough to compromise all the data. Finally, neglecting to regularly update backups can lead to the loss of recent information.

How often you should back up data depends on its importance and how frequently it's updated. For businesses handling critical data, daily or even real-time backups are essential. For individuals, a monthly backup of personal files and photos is often enough, as long as it's done regularly.