The YubiKey works with hundreds of enterprise, developer and consumer applications, out-of-the-box and with no client software. Combined with leading password managers, social login and enterprise …

The YubiKey is a collection of hardware authentication devices manufactured by Yubico AB, a company headquartered in Stockholm, Sweden and Santa Clara California. [1][2] Yubikeys are used to protect …

May 24, 2025 · A YubiKey is a small physical USB device used to secure your online accounts. It works as part of a two- or multi-factor authentication (2FA/MFA) setup, where access requires two forms of …

Nov 27, 2023 · The YubiKey is a device that makes two-factor authentication (2FA) as simple as possible. Learn how the security key works and how to set it up.

Nov 28, 2025 · YubiKey, a small, durable hardware token, replaces vulnerable passwords with strong, cryptographic authentication. When people ask “What is a YubiKey?”, the simplest explanation is that …

Aug 18, 2025 · A YubiKey is a hardware authentication device that generates cryptographic proofs of your identity. Unlike authenticator apps that live on your phone or SMS codes that traverse insecure …

Jul 18, 2024 · In this guide, we explain how YubiKey authentication works, compare passkeys vs. YubiKeys, and definitively answer the question, "What is a YubiKey?"

Feb 7, 2025 · A YubiKey is a hardware token used to help verify users in multi-factor authentication. It’s similar in size and appearance to a USB flash drive with a button on the side. YubiKeys are long …

The YubiKey is a small hardware device created by a company called Yubico. It serves as a physical method for securing your online accounts through a process called two-factor authentication (2FA) or …

Nov 6, 2024 · YubiKey is one of several alternatives that individuals and companies use as the next step of multi-factor authentication. Let’s see how YubiKey authentication compares to passkeys, third …