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nappy-doo | 1 month ago

I don't see how this is airgapped. You literally connect a full Pi to the RXing computer. What audit has RX Pi device gone through?

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nelop|1 month ago

Two separate networks, completely isolated, the only bit connecting the two is the opto coupler.

Was all audited by their internal sec department.

They are happy, it was an interesting problem, they need a bunch of seriously old kit well away from their network, so put it on its own isolated network, but then they realised they also wanted to get some info out of the old kit.

Therefore this project was launched.

Luckily it's not an industry like defense.

Both pi's are locked down, handed over to the right folks and I am locked out.