By Anne Fisher, Fortune
NEW YORK -- Let's say you've been job hunting for months now, and applied to so many employers you're starting to lose track of them all. One day you get a call from someone in HR at a well-known company. He found your resume on an online job board, thinks it's very impressive, and is looking forward to meeting you, he says. To set up the interview, he asks for your home address, date of birth and Social Security number.