Hardware Security Keys: The Ultimate Two-Factor Authentication Guide
What Are Hardware Security Keys? Hardware security keys are physical devices that prove your identity without relying on passwords or phone numbers. They use cryptographic protocols (FIDO2/WebAuthn) to authenticate securely to websites and services. Unlike authenticator apps that generate time-based codes or SMS text messages, security keys provide the strongest form of two-factor authentication. They’re resistant to phishing, hacking, and interception because the authentication happens at the protocol level without ever transmitting passwords or codes. ...