The guy on the phone laughed.
I've moved to providing a few random words, easier to say over the phone than capital y lowercase r number 1.... etc.
Said background check basically being they googled my name.
Which you would think isn't a problem until you get to "What school did you graduate from?" and have to go through four levels of reps to explain that (not actually what I typed) "Omelette Du Fromage" was my way of making it harder to social engineer my account.