[pmiller2]

They don’t ask you for a list of accounts, typically. They would check a report from one of the major credit reporting agencies, so, if it doesn’t show up there, they’d probably never see it.

[topkai22]

US government background checks explicitly ask about foreign financial holdings, and those investigators check.

[pmiller2]

That's why I said "typically." Security clearance checks are a whole different level from your average pre-employment background check.