2FA Readiness Guide
Step-by-step guides to enable two-factor authentication on popular platforms
2FA Methods Comparison
🔐
Authenticator App
Security: High
- ✅ Works offline
- ✅ No SIM swapping risk
- ✅ Time-based codes
- ✅ Free to use
Recommended apps: Google Authenticator, Microsoft Authenticator, Authy, 1Password
🔑
Security Key (YubiKey)
Security: Highest
- ✅ Phishing resistant
- ✅ Physical device required
- ✅ USB/NFC connectivity
- ⚠️ Costs $25-$70
Best for: High-value accounts, enterprise users, cryptocurrency
📱
SMS Text Message
Security: Medium
- ✅ Easy to use
- ✅ No app required
- ⚠️ SIM swapping risk
- ⚠️ Requires cell signal
Use as: Backup method only, not primary
How to Use an Authenticator App
1
Download an Authenticator App
Choose one of these popular authenticator apps from your app store:
- Google Authenticator - Simple and reliable
- Microsoft Authenticator - Cloud backup support
- Authy - Multi-device sync
- 1Password - Integrated with password manager
2
Scan the QR Code
When setting up 2FA on a website, you'll see a QR code. Open your authenticator app and scan it with your camera.
3
Enter the 6-Digit Code
Your app will generate a 6-digit code that refreshes every 30 seconds. Enter this code on the website to complete setup.
4
Save Recovery Codes
Most services provide backup codes. Save these in a secure location in case you lose access to your authenticator app.
Platform-Specific Guides
Select a platform to see detailed setup instructions:
2FA Best Practices
✅ Do
- Use authenticator apps or security keys when available
- Set up multiple 2FA methods as backups
- Store recovery codes in a password manager
- Enable 2FA on all important accounts
- Keep your backup codes in a secure location
❌ Don't
- Rely solely on SMS for high-value accounts
- Share your 2FA codes with anyone
- Store recovery codes in plain text on your device
- Use the same authenticator app on a rooted/jailbroken device
- Ignore prompts to add backup methods