Tag archive

#twofactorauthentication

Jun 29, 2026

#nestjs #postgres #twofactorauthentication #2fa

Implementing Two-Factor Authentication (TOTP) in NestJS: With Full Source Code

A from-scratch implementation of TOTP-based two-factor authentication in NestJS, covering secret generation, QR code enrollment, partial vs. full JWTs, and single-use backup codes — with the complete source available to clone and run.

Jun 29, 202610 min read0 reactions0 comments

How Two-Factor Authentication Apps Work Without an Internet Connection

May 21, 2025

#authentication #security #twofactorauthentication

How Two-Factor Authentication Apps Work Without an Internet Connection

Have you ever used Google Authenticator or Authy to get a login code? You might notice that the app...

May 21, 20253 min read1 reactions0 comments

Apr 12, 2025

#twofactorauthentication #2fa #wordpress #security

The Ultimate Guide to Two-Factor Authentication (2FA) on WordPress

The Ultimate Guide to Two-Factor Authentication (2FA) on WordPress Two-factor...

Apr 12, 20253 min read0 reactions0 comments