Two-factor authentication (2FA) has become essential for securing your online accounts. In this tutorial, you will learn how to set up and use the 2FA app Authy, which generates dynamic 6-digit codes to protect your accounts. Authy is very easy to use and synchronizes across multiple devices. Discover how to install and configure Authy, and thus strengthen the security of your online accounts right now:

Another option is to use a physical security key. This additional tutorial shows you how to set up and use a security key as a second authentication factor: