Two-factor authentication (2FA) adds a second layer of security to your account by requiring two forms of verification: something you know (password) and something you have (like a phone or a hardware token) or something you are (biometrics).
![Cover image for The working of 2FA-Authorization..](https://media.dev.to/cdn-cgi/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Faws3eiwq8zbfdy9itkyu.jpg)
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