this post was submitted on 09 Oct 2024
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Air gap systems prevent viruses, in the same way that living in a clean room prevents biological infections.
But if a disease gets into your clean room you'll still get sick, should not be a surprise to anyone.
Really though, an air cap system should either disable USB ports or employees should have enough brain cells to not plug in random devices. It's all up to physical security to prevent a bad actor gaining excess to the facility.
God, flashbacks to having to copy files to and from 3.5 floppies to get them on secure nodes on the military comm system I was fixing.
When I first started we had a system to get documents onto a secure network and it was the most batshit insane system ever invented by anyone.
You would print the document off, take a photograph of it with the world's oldest digital camera, It took 3 and 1/4 in floppy disks, then transfer that floppy disk onto a secure network. Run an OCR program on the system to get the text back into a searchable format.
I have absolutely no idea why this was the method, but every time I questioned it I just got told that's the way it is.