[thraneh]

That's what I thought too. A basement with concret walls/floor/ceiling should have enough rebar to act like a Faraday cage.

It's not a lot of information (say, <1GB), but it's business critical and I'm somewhat distrustful of cloud solutions.

[scrapheap]

If you have a small set of really important data to protect that doesn't change regularly then you can always make it EMP proof by printing it out.

[thraneh]

Thanks. There was another discussion around this topic only a few days ago: https://news.ycombinator.com/item?id=31149427