We support time-based authorization codes because they are more secure than one-time cellphone SMS codes. Here’s how to get started: Download a security app, such as Duo Mobile, Authy, or Google Authenticator Using your desktop, head to Hedgehog.com We suggest using your desktop because it’s easier to scan the signup QR using your cellphone Click settings Click 2FA Open the authenticator app and scan the QR code or enter the code provided into Hedgehog Don’t lose your password to your security app—if you do, we can’t help you get into your account (now that’s secure!)