Mother's maiden name is one of the easiest. If she's on Facebook, odds are it's listed because that's how her high school friends knew her. Alternatively, if gr

Mother's maiden name is one of the easiest. If she's on Facebook, odds are it's listed because that's how her high school friends knew her. Alternatively, if grandma & grandpa are listed, you can go there too. I've been presenting on these flawed questions for years. In one of my demos, we take a volunteer from the audience and we see how many of the top 10 banking questions we can answer from their public Facebook & LinkedIn profiles. I've never gotten less than 4 or more than 8.. and - as an attacker - I'd take those odds.