Two-factor authentication is when a secure portal requires an additional authentication step besides your password and username before letting you log in. Many also come with Bluetooth and NFC capability, allowing you to use them with Apple and Android smartphones. Token-generating software to create exclusive signatures for different sitesĪs an added layer of protection, most security keys now come with a biometric fingerprint sensor.Standard security protocols that let it connect with secure online portals.Authentication code to give it a totally unique identity.

Each one contains a small processor that holds: USB-based security keys, also known as U2F keys, plug right into any USB port, just like regular USB drives. Security keys are easy to set up and a bit safer than waiting for an authentication email or text message on your phone. These look like regular USB or USB-C drives, although they're usually smaller. Still, even your personal smartphone is getting easier to port, phish, or breach in other ways.Ī great way to back up a good password is with a physical USB-based security key. Phone-based two-factor authentication is a pretty good second step. Your bulletproof password that includes letters, numbers, and symbols is a good first step toward online security.

Secure usb flash drive