"... you don't need to be a government spy to dig up personal details on the average American. " "The holy trinity is your full name, your date of birth and your Social Security number; the only thing missing here is your Social," he says. "And for thirty-five bucks, I would probably be able to get that from a public data source." http://www.dailyfinance.com/2013/06/28/identity-theft-protection-test/
Stalking: How I used Social Engineering, security loop holes and publicly available information to Stalk my Stalker