7 Minute Security · 2026-06-05 · 22 min
Hey friends! Backups are not as cool as pentesting, but boy do they matter when things go sideways. This week I'm sharing how a Proxmox backup disk space meltdown led me to a completely overhauled - and honestly pretty bulletproof - backup setup for both home and work. Claude played a big role in helping me sort it all out. Here's what we get into: The backup history tour - I've been through CrashPlan, Dropbox, Backblaze (which saved my bacon after my house fire in 2019!), and a mystery one that may or may not have had "Panda" in the name. These days I'm settled on ARQ for personal backups - dead simple, backs up to just about everything (Dropbox, OneDrive, Google Drive, even their own ARQ Cloud for ~$80/year), and all data is encrypted at rest. Not a sponsor, but they should be. The 3-2-1 rule - I actually asked Siri mid-episode, and she initially thought it was a grounding/anxiety technique. (Valid, I guess?) The real answer: three copies, two different media, one offline. I've got a local copy plus OneDrive, Google Drive, and Dropbox - so I think I'm covered. The work side: Proxmox + PBS - My "data center" is a beefy Hetzner Proxmox box with about a dozen VMs.
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