One can give good advice, and still fail. Institutional system failure mode. It’s all just people. I shared the CISA backup guidance PDF link because Wikipedia [1] did not have a page for it, and so it was most canonical for the "3-2-1
rule". I've created an HN reference for future use as well [2].
If you don’t want to be sad, back up your stuff. If you don’t, you’ll be sad.
jenic_•1h ago