What can a bad guy do to monetize a passport number? Every (foreign) hotel I stay at makes a copy or scan of my passport.
I see, interesting. The attack is that banks/airports somehow validate name/passport number combos so they must be valid, but not the physical document? That is confusing and worrying.
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At US border crossings in airports they do validate physical document if it contains a signed chip. Can't remember what US policy is these days (haven't covered it in awhile) so can't remember if every passport used to gain entry to US now needs a chip.
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But even if the passport has a chip, there are likely big differences in how each country issuing chipped passports maintains the security of the signing keys, etc. So just because it has a chip doesn't guarantee it can't be cloned.
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