Backup-codes-username.txt _top_ Jun 2026

The file Backup-codes-[username].txt is the default name Google and other platforms use when you download your two-factor authentication (2FA) recovery codes.

While this makes the file easy for you to find, it also makes it a target for malicious software. Many "stealer" malwares are programmed to scan a computer's "Downloads" or "Documents" folder specifically for files containing "backup-codes" in the name. If a hacker gains access to this file, they can bypass your 2FA and take full control of your account. How to Manage Your Codes Safely backup-codes-username.txt

In this scenario, your password manager and your MFA didn't fail— The file Backup-codes-[username]

When an infostealer sees backup-codes , it immediately uploads that file to a command-and-control server. From there, the file is sold on darknet markets within minutes. The attacker doesn't care about your vacation photos; they want exactly this file. If a hacker gains access to this file,

If you save backup-codes-username.txt inside a folder that syncs with Dropbox, Google Drive, or OneDrive, you are one compromised cloud account away from disaster. Furthermore, many users mistakenly place these files in public folders or share them via unsecured links. A simple search on Google using advanced operators (e.g., intitle:"backup-codes" filetype:txt ) has, in the past, revealed thousands of exposed backup code files on misconfigured web servers.

It is common practice to take these backup codes and save them somewhere "obvious." Some users print them; others write them in a notebook. But a growing (and dangerous) subset of users does something far more convenient: they create a text file on their desktop named .