Selected Java Interview Questions
May 25, 2023 · Information Security
Implementing Two-Factor Authentication in Spring Security with Google Authenticator, Authy, and Custom TOTP
This article explains how to add two‑factor authentication to a Spring Security‑based Java web application by integrating Google Authenticator, Authy, or a custom TOTP module, covering required dependencies, service implementations, security configuration, and testing procedures.
AuthyGoogle AuthenticatorJava
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