How to use a two-factor security key
Illustration by Maria Chimishkyan Two-factor authentication is a good way to add an extra layer of security to online accounts. It requires the use of your smartphone, however, which is not only inconvenient, but can be a problem if your phone is lost or breached. Hardware security keys can offer an additional layer of security to password-protected online accounts and, in turn, your identity. They're also not hard to install. Here's how to set them up for your Google account, Facebook, and Twitter.
Security keys can connect to your system using USB-A, USB-C, Lightning, or NFC, and they're small enough to be carried on a keychain (with the exception of Yubico's 5C Nano key, which is so small that it's safest when kept in your computer's USB port). They use a variety of...