How do you implement Two-Factor Authentication (2FA) in Django?
Instruction: Discuss the process of adding two-factor authentication to improve security in Django applications.
Context: This question aims to explore the candidate's capability to enhance application security by integrating an additional layer of authentication.
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Define which accounts and operations require a second factor, and distinguish being logged in from having completed that factor. Two passwords are not two different factor types. Password-plus-TOTP is a common option; phishing-resistant authenticators require a different protocol and implementation.
Django does not provide a complete MFA enrollment and recovery flow by itself. A maintained package such as django-two-factor-auth, built on django-otp, can supply parts of that flow...