Data backup in the cloud with Duplicati

Secure Cloud

© Lead Image © alexmillos,

© Lead Image © alexmillos,

Article from Issue 159/2014

The free backup tool Duplicati simplifies the process of backing up data with cloud providers while at the same time protecting backups with strong cryptography.

The topic of online backups took on a whole new aspect after the Snowden revelations of recent weeks and months. Even before the NSA scandal, however, people were wondering how safe their data would be with a cloud provider (see the "Persistent Criticism" box). Although manual encryption of the data up front can help mitigate concern, the process also involves a huge amount of effort and makes the entire workflow complex.

A remedy has appeared in the form of a small open source tool named Duplicati [1], which kills two birds with one stone: It includes back ends for many important cloud services, so you can forget about using the native clients, and it encrypts all your data before transferring.

In fact, the program offers a third distinct advantage over manually backing up data via the provider's native cloud client: As true backup software, Duplicati not only flexibly helps you select the data to be backed up, it also backs up data on the fly that you can't easily access as a user. Additionally, clients are available for Linux, Windows, and Mac OS X, so the program can be deployed seamlessly on multiple platforms.


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