Christopher Hadnagy is the founder and chief executive officer of Social-Engineer, LLC. Hadnagy has more than 16 years of experience as a practitioner and researcher in the security field. His efforts in training, education and awareness have helped to expose social engineering as the top threat to the security of organizations today.

He established the world’s first social engineering penetration testing framework at www.social-engineer.org, providing an invaluable repository of information for security professionals and enthusiasts. That site grew into a dynamic web resource, including a podcast and newsletter that have become staples in the security industry and are referenced by large organizations around the world. He also created the first hands-on social engineering training course and certification, Advanced Practical Social Engineering, attended by law enforcement, military and private sector professionals.

A sought-after writer and speaker, Hadnagy has spoken and trained at events such as RSA, Black Hat, and various presentations for corporate and government clients. He is also the best-selling author of three books: “Social Engineering: The Art of Human Hacking,” “Unmasking the Social Engineer: The Human Element of Security” and “Phishing Dark Waters: The Offensive and Defensive Sides of Malicious Emails.”