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📱 Two-Factor Authentication (2FA) Guide
See which 2FA methods are supported by popular services. Filter by platform or 2FA type.
| Service ↕ | Category ↕ | SMS | Auth App | Security Key | Passkey | Backup Codes |
|---|
💡 Best Practice: Use an authenticator app (Google Authenticator, Authy, or Microsoft Authenticator) over SMS when possible. SMS can be intercepted via SIM swapping. Hardware security keys (YubiKey) offer the strongest protection.