YubiKey OTP
YubiKey OTP is a hardware-based authentication method that generates one-time passwords (OTPs) using a YubiKey device, a small USB or NFC token. It provides strong two-factor authentication (2FA) by requiring users to physically press a button on the device to generate a unique, time-limited code for login or verification. This enhances security by adding a second factor beyond just a password, protecting against phishing and credential theft.
Developers should learn and use YubiKey OTP when implementing or requiring robust security measures, such as for securing access to sensitive systems, cloud services, or development environments. It is particularly useful in scenarios where compliance with security standards (e.g., NIST, GDPR) is needed, or for protecting against attacks like phishing and man-in-the-middle, as it relies on a physical device that is hard to replicate remotely.