You have a point: they can do damage to your machines. I think that the cables to your monitor, network, and keyboard will make you vulnerable. In a recent lightning storm, every Ethernet port in my house that had a cable attached to it died. I have an 8-port switch that is now a 5-port switch; the ones without cables in them at the time still work fine.
Most connected HDMI ports fried. I have a TV that works perfectly on all the sources but the HDMI. It's the only part that broke.
You can already get an all-aluminum or all-steel case, which is pretty close to a Faraday cage, except for the holes. You could, of course, line your entire workroom with copper mesh. For a more realistic approach, I suggest
1) Good-quality power protection and a UPS.
2) Frequent backups. You can store these in a small Faraday cage and be assured that, if all your equipment blows, you will be ready to restore to new equipment and keep running. Once the power is back and supply chains are re-established, that is.
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Google Translate is a great resource. Write your post in your best language and let Google Translate translate it for you. We can usually follow the results, even if they are funny sometimes.