Spring Security 7 introduces built-in support for multi-factor authentication, allowing developers to enforce multiple authentication steps using the existing authorization model.

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Spring Security 7 introduces native multi-factor authentication (MFA) support using a factor-based authority model. Each successful authentication step grants a FactorGrantedAuthority to the user's security context. The new @EnableMultiFactorAuthentication annotation enables MFA globally, while AuthorizationManagerFactory allows applying MFA rules to specific endpoints. The post covers global MFA setup, endpoint-specific rules, time-based re-authentication requirements, user-based conditional MFA, and unit testing MFA flows with Spring Security test utilities.

Multi-Factor Authentication in Spring Security 7

2. Understanding MFA in Spring Security 7

4. Enabling Multi-Factor Authentication Globally

6. Implementing Time-Based Authentication Rules

<p>I thought I already had it, I was shocked</p>
