When you enable two-factor authentication on your accounts, you’re provided with backup codes that can help you regain access if you can’t access your authenticator app. These codes are the critical backup—so securing them properly is non-negotiable. Under no circumstances should you store in the your password manager or in an plain text file on your tablet. If a hacker gains access to your digital account, they could extract your backup codes and lock you out permanently.

Instead, physically document them and hold them in a locked container like a secure filing cabinet. Make sure the paper is protected against pests and other environmental risks. If you’re afraid of misplacing it, consider printing dual sets and hiding a second copy elsewhere such as with a close friend or in a secure offsite storage.

If you prefer digital storage, choose a reputable encrypted vault that is protected with military-grade encryption and protected with a strong master password. Steer clear of cloud note apps like Microsoft OneNote unless they are encrypted with a master key. Never upload recovery codes to yourself or đăng nhập jun 88 host them on Dropbox that can be accessed by others.

Validate your codes every few months to ensure you can still access your accounts using the codes. If you change your authentication method, refresh your backup set. Remember, recovery codes are final and non-reversible—so treat them like spare house keys. Their security is your security.