A FIDO (Fast Identity Online) Passkey is a form of user authentication method that leverages the FIDO2 (a set of standards developed by the FIDO Alliance) protocol for secure and passwordless login experiences. FIDO Passkeys are typically implemented as small physical devices, such as USB keys or Bluetooth tokens, that users can carry with them.
The FIDO Passkey serves as a cryptographic key that securely stores and manages the user’s credentials. Instead of relying on traditional usernames and passwords, FIDO Passkeys use public-key cryptography to authenticate users. When logging into a service or application that supports FIDO authentication, the Passkey is used to create a unique cryptographic signature that verifies the user’s identity.
One of the main advantages of using FIDO Passkeys is the increased security compared to traditional passwords. Since the Passkey relies on public-key cryptography, it eliminates the risk of password-based attacks such as phishing, credential stuffing, and password database breaches. Even if an attacker manages to steal the Passkey, they would still require the user’s physical presence to use it.
Furthermore, FIDO Passkeys provide a convenient and user-friendly experience. Users simply need to insert the Passkey into a USB port or perform a Bluetooth pairing, and they can quickly authenticate without the need to remember and enter complex passwords.
It’s worth noting that FIDO Passkeys are just one form of authentication method supported by the FIDO2 protocol. Other options include biometric authentication (e.g., fingerprint or facial recognition) or other hardware-based security tokens. The goal of FIDO authentication is to provide stronger security, privacy, and ease-of-use for online services and applications.
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