Two-factor authentication is critical to securing your online accounts, and Duo Mobile offers the best combination of security, accessibility, and ease of use.

Why It's Smart to Use Authentication Apps for Multifactor Security The apps generate short-lived codes to use along with a password. That can be safer than having codes texted to you.

Third-party authentication apps generate the code on your smartphone, so they can still work if your smartphone can’t get a cell signal. An authentication app will also protect against a ...

What is two-factor authentication? Why do I need to set it up? What are the best apps? Bradley Chambers answers all your questions in this article.

Every 30 seconds, these apps generate unique codes that you enter, along with your password, when you log in. Security keys —dedicated physical devices that serve as an authenticator—are less ...

Choose to receive the two-factor authentication codes by text message or automated phone call. When you tap Next, Apple sends a verification code to the phone number you provided.

Multi-factor authentication (MFA) adds an extra layer of protection to your accounts. Instead of relying only on a password, MFA requires you to verify your identity using two or more methods.

The new Tokens 2 offers in-app purchases promo codes, support for developer accounts with two-factor authentication enabled, team accounts, and more.