How Do You Implement Multi-Factor Authentication (MFA) in Spring Security Without Getting Stuck in Redirect Loops, Broken Sessions, and “Invalid Code” Nightmares

Source: How Do You Implement Multi-Factor Authentication (MFA) in Spring Security Without Getting Stuck in Redirect Loops, Broken Sessions, and “Invalid Code” Nightmares 1. The quiet truth about MFA bugs in Spring Security Most MFA “implementa...