2-factor Authentication
From PrgmrWiki
Here's how to set up 2-factor authentication for your billing account using a mobile device as your TOTP token. YubiKeys should also be compatible.
- Log in to your account.
- Go to "Manage Account" by clicking your username in the top right corner.
- Go to the "Authentication" tab.
- Check "Enable Two-Factor Authentication" then follow the revealed instructions.