2FA & TOTP Security Blog
Guides, tutorials, and security insights for two-factor authentication.
Best Authenticator Apps Compared: Google vs Microsoft vs Authy
A practical comparison of the most popular authenticator apps. Features, backup options, and which one works best for different needs.
Read moreHow Two-Factor Authentication Works: A Beginner's Guide
A straightforward explanation of two-factor authentication for people new to online security. What 2FA is, why it matters, and how to set it up.
Read moreIs a Browser-Based 2FA Generator Safe?
Can you trust a web-based TOTP generator with your secret keys? A technical look at client-side processing, security trade-offs, and when it makes sense.
Read moreHow to Recover 2FA Codes When You Lose Your Phone
Lost your phone and locked out of your accounts? Here's how to recover access when your authenticator app is gone.
Read moreSetting Up 2FA for Crypto Exchanges (Binance, Coinbase)
How to enable two-factor authentication on Binance and Coinbase to protect your cryptocurrency accounts from unauthorized access.
Read moreHow to Set Up 2FA on Discord
Step-by-step guide to enabling two-factor authentication on your Discord account using an authenticator app.
Read moreHow to Enable 2FA on GitHub with an Authenticator
Protect your GitHub account with two-factor authentication. A step-by-step guide to setting up TOTP-based 2FA.
Read moreHow to Set Up 2FA on Your Google Account
Enable two-factor authentication on your Google account using an authenticator app for better security than SMS codes.
Read moreHow to Store 2FA Backup Codes Securely
Your backup codes are your safety net. Here's how to store them so they're available when you need them and safe from anyone else.
Read moreTOTP Code Not Working? How to Fix Common Issues
Your 2FA code keeps getting rejected? Here are the most common causes and how to fix them quickly.
Read moreTOTP vs SMS: Which Two-Factor Authentication Method Is More Secure?
Comparing TOTP authenticator apps to SMS text message codes for two-factor authentication. Which method better protects your accounts?
Read moreWhat Is TOTP? How Time-Based One-Time Passwords Work
Learn how TOTP generates temporary 6-digit codes from a secret key and the current time. A plain-language explanation of the standard behind authenticator apps.
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