A thumb drive is, or can be, a tiny computer that can lie about its contents depending on what's asking. I don't see a particular exploit in Schneier's case, b

A thumb drive is, or can be, a tiny computer that can lie about its contents depending on what's asking. I don't see a particular exploit in Schneier's case, but a thumb drive could be made that behaved differently depending on whether a Mac or Windows PC was trying to talk to it.