How hard would it be to scratch a trace or two off a USB drive to render it read-only and protect the chip from BadBIOS-style flashing? I think USB floppy is just separating the storage from the drivers, but ultimately changes nothing.

On 29 October 2014 14:56:41 GMT+00:00, Eugen Leitl <eugen@leitl.org> wrote:

We know USB flash is is Biosafety 4, what about other sneaker-net suitable
storage media? USB floppies are still around, as well as media, which
are write-protectable.

How easy to hop the air gap with these?

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