authentication
Two-Factor Authentication (2FA)
A subset of multi-factor authentication that requires exactly two different authentication factors to verify identity. Common implementations include a password plus a one-time code from an authenticator app or SMS.
Related Terms
Multi-Factor Authentication (MFA)
authenticationA security mechanism requiring two or more independent forms of verification to confirm identity. Factors include someth...
Password Manager
authenticationSoftware that securely stores and manages passwords in an encrypted vault. Password managers generate strong unique pass...
Single Sign-On (SSO)
authenticationAn authentication method that allows users to access multiple applications with a single set of credentials. SSO reduces...