Help-Net Security: Creating Secure Backups with GnuPG

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"I'm working for a relatively large Internet Presence Provider (IPP) that servs about 4000 clients from about 30 countries worldwide. Besides a chunk of e-mails to our support regarding viruses, leaching and insecure Perl/PHP scripts, I've seen a number of questions related to securely downloading backups.

"With the proliferation of open public wireless networks, more and more of our clients wanted to use the possibilities of freely downloading hundreds of megabytes of their private data. This data included compressed files containing web sites, databases, scripts and even e-commerce credit card depositories. Don't get me wrong--secure backups aren't in any way solely concentrated to wireless networks, but we usually presume that our fixed line connections are secure from prying eyes. From the disclaimer point of view--every business data that is transferred from spot A to spot B, should be decently encrypted.

"As the majority of our users are hosted on Linux and BSD servers but are not very keen to system administration, this article should be of interest mainly to this type of readers..."

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Related Stories:

• Security Portal: Vendor Key Management(Feb 22, 2001)
• email.about.com: Using PGP with K Mail(Feb 11, 2001)
• Linux Gazette: Secure Communication with GnuPG on Linux(Jan 01, 2001)