What is a USB Security Key, and Should You Use One? – Review Geek
YubiKey - Wikipedia
Certificate-Based PKI USB Authentication Tokens
PIVKey T800 USB Authentication Token (PKI Smart Card) Certificate Based PKI ideal for enterprise applications like Windows Logon, Digital Signatures, Email and Data encryption, HTTPS and SSH authentication. : Amazon.ca: Electronics
What is token-based authentication | Ambimat Electronics
Token ePass FIDO NFC
Using a USB Token to Login Without a Password | PortalGuard
FIDO2 U2F Security Key - U2F USB 2-Step Authentication Security : ID 3363 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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PIVKey T800 USB Authentication Token (PKI Smart Card) Certificate Based PKI ideal for enterprise applications like Windows Logon, Digital Signatures, Email and Data encryption, HTTPS and SSH authentication. : Amazon.ca: Electronics
Two-factor Authentication Token Frequently Asked Questions : Eastern Washington University
UniMate USB | FIPS 140-2 PKI Two Factor Authentication USB Token