Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Explore the complexities of two-factor authentication (2FA) in this 50-minute conference talk. Delve into real-world implementations, best practices, and common pitfalls of 2FA. Learn how to protect yourself and your users by understanding the impacts of different 2FA methods, including SMS, time-based one-time passwords, push notifications, and U2F. Examine security basics, password policies, and the importance of user experience in implementing 2FA. Discover strategies for rate limiting, user opt-in, and handling user errors. Gain insights into the challenges faced by both users and developers when it comes to 2FA, and walk away with practical knowledge to enhance the security of your applications.