06/11/2018 03:37:54 PM This post originally appeared at ICANN blog on  13 July 2015 Today, I’ll explain two-factor authentication, how this improves the security of your online accounts or logins, and examples of where you’ll find two-factor authentication in use today. Begin at the beginning: What is authentication? Authentication is a security term for demonstrating that you … Continue reading What is Two-Factor Authentication?