People get duped by strangers all the time. It's much easier to find out someone's childhood pet name than to, say, break TLS. A lot faster and usually less con

People get duped by strangers all the time. It's much easier to find out someone's childhood pet name than to, say, break TLS. A lot faster and usually less conspicuous too. Hell, getting the last four digits of someone's credit card number might be as simple as pulling a receipt they threw away out of the trash.