White-hat hacker Rachel Tobac takes on "The Perfect Scam," scouring the internet and gathering intel about host Michelle Kosinski, that a hacker could use in a real-life scenario. Rachel, a three-time DEF CON conference capture-the-flag second place winner, is the CEO and cofounder of SocialProof Security, which helps people and companies keep their data safe. Rachel shares her knowledge of social engineering and walks Michelle through a "live" phishing scam.