When you enable two-factor authentication on your accounts, you’re provided with backup codes that allow you to log back in if you lose your phone. These codes are your last line of defense—so protecting them meticulously is non-negotiable. Under no circumstances should you store in the same place as your password or in an plain text file on your computer. If a threat actor gains access to your locked system, they could bypass your 2FA entirely and compromise your account.
Instead, print the codes on paper and store them in a safe place like a secure filing cabinet. Make sure the paper is isolated from water and jun88 đăng nhập other environmental risks. If you’re worried about destruction, consider making two copies and delegating one to a trusted party such as with a close friend or in a secure offsite storage.

If you prefer digital storage, use a trusted password manager that is protected with military-grade encryption and protected with a strong master password. Avoid using cloud note apps like Apple Notes unless they are multi-factor protected. Never upload recovery codes to yourself or store them in online documents that lack proper permissions.
Validate your codes every few months to ensure you can reclaim your profiles using the codes. If you replace your devices, update your recovery codes. Remember, recovery codes are not replaceable in most cases—so handle them like a passport. Their security is your security.