If you are trying to protect your users from these types of lists:

If you are a security researcher or a concerned user, follow these steps to handle the situation safely:

Files found on public forums or "leaks" often contain malware or tracking scripts designed to infect the person downloading them. What to do if you find this file

: If you are worried your information is in such a list, use Have I Been Pwned . Enter your email to see which specific breaches you were involved in.

: If you found the file on a hosting service (like Mega.nz, Pastebin, or GitHub), use their "Report Abuse" or "DMCA" tools to have the sensitive data removed. For Developers and System Admins

: Even if a hacker has your password from a list like "20k_Email_Account_.txt," MFA (via an app like Google Authenticator or a security key) can prevent them from logging in.

: If the file is online, do not open it in a standard browser window. Use a sandboxed environment if you must inspect it for research purposes.