2fa

A closeup over the shoulder shot of a Corgi looking at his Windows PC. In his paw is a mobile phone displaying a TOTP app and code, and the computer's screen has a message "Please enter code generated by your authentication device."

What’s the Best Two-Factor Authentication Method?

Not all two-factor authentication works the same way. Some methods are more secure, some are more convenient, and some leave you open to sneaky attacks like SIM swapping. Here’s my breakdown of hardware keys, authenticator apps, texts, email, and voice codes so you can pick what fits you best.

Two Corgis each holding a smartphone with a TOTP authentication app showing the exact same information and code. The Corgis are comparing their phones with each other in a bright office environment.

How to Share Two-factor Authentication to a Single Account With Multiple Users

Your team shares one account, but two-factor authentication keeps locking everyone out. There are real solutions to this problem, and they don’t sacrifice security. I’ll show you how to set up shared two-factor authentication so everyone can get in.

Tip of the Day: Use Two-Factor Authentication, Already

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A photorealistic image showing a modern smartphone on the left side of the frame, displaying a QR code on its screen. On the right side, a scrap of paper also showing the same QR code, implying it's a written backup of the code. The background is simple and unobtrusive, focusing attention on the smartphone and the paper. This scene represents the concept of securing a backup for two-factor authentication codes.

Another Way to Protect Yourself From 2FA Loss

A little bit of preparation when you set it up can make losing your Google Authenticator 2FA device a minor inconvenience.