Dave Lieber I was confused. Kept seeing mention of a security “key” offered on some of my favorite websites—Microsoft, Google, YouTube and Facebook, to name a few. I wasn’t sure if I should use it.

We may receive a commission on purchases made from links. Modern computer security software and protocols are leaps and bounds above what they were just a few decades ago. However, they're still not ...

A hardware security key is a physical gadget—like a USB stick—that gives you an extra layer of security through multifactor authentication (MFA). When you sign in to certain services, you’ll plug it ...