Covert Protocol #3: Implement Multi-Factor Authentication whenever possible

Implement multi-factor authentication (MFA) on every account, using the strongest method available with a graduated approach:

1. Audit all important accounts (email, banking, cloud storage, social media, password manager) to check whether MFA is supported.

2. For each account, go to the security or login settings and enable MFA. Choose the strongest method the service supports.

3. If using an authenticator app or hardware key, save backup/recovery codes securely (in case you lose your phone or key).

4. For accounts using SMS/email 2FA consider upgrading to a stronger method when available, especially for sensitive accounts.

5. Test the MFA setup by logging out and logging back in to confirm that the second factor works as expected.

Recommended Tools

Authy: a widely used authenticator app that generates time-based codes for TOTP-based MFA.

Proton Authenticator: privacy-focused app for generating MFA codes offline.

YubiKey: a hardware security key providing FIDO2/WebAuthn authentication for the strongest protection.

More At:

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