Sites will often use common security questions to recover a user’s account if the password is forgotten. These questions are problematic because the Internet has made public record searches simple and the answers are usually easy to guess. In a study, security researchers at Google found that with a single guess, an attacker would have a 19.7 percent chance of duplicating an English-speaking user’s answer to the question “What is your favorite food?” (Pizza) If you're required to answer security questions, some security experts suggest making up a lie and jotting down your fake answers on paper or in the Notes section of your phone. (Q. "Where were you born?" A. Kentucky Fried Chicken. Q. "What was your first pet’s name?" A. Peach.)