Christopher Hadnagy is a global security expert and master hacker. He is the founder and CEO of Social-Engineer, LLC, the creator of the popular Social Engineer Podcast, website, and newsletter, and designed “Advanced Practical Social Engineering,” the first hands-on social engineering training course and certification for law enforcement, military, and private sector professionals. He is also the first (adjunct) professor of social engineering for the University of Arizona, one of the NSA-designated Centers of Academic Excellence in Cyber Operations. Hadnagy is the creator of the Human Hacking Conference, an annual conference focused on training people who to hack themselves to achieve their goals. A highly sought-after writer and speaker, he has spoken at events such as RSA and Black Hat and given numerous presentations for corporate, government, and military clients. He is the bestselling author of four technical books for security professionals: Social Engineering: The Art of Human Hacking; Unmasking the Social Engineer: The Human Element of Security; Phishing Dark Waters: The Offensive and Defensive Sides of Malicious Emails; and Social Engineering: The Science of Human Hacking, which is now in its second edition. He is also the founder, executive director, and board member of the Innocent Lives Foundation, a nonprofit that fights the sexual abuse of children.