harvested directly from infected devices' browser autofill data. What to Do If You Are Notified If a security service like Norton Support Malwarebytes alerts you that your info is in a combolist: Plot Twist: Combolists Are Still A Threat - SpyCloud

. Because many people use the same password across multiple platforms, a single leak from one minor website can lead to the compromise of more sensitive accounts, such as banking or primary email addresses. How to Protect Yourself

Even if a hacker has your password from the 35K-US list, 2FA provides a second barrier (like a code on your phone) that they cannot easily bypass.

: A text file containing lists of login credentials, often formatted as username:password email:password

In the context of information security, a "combolist" is a text file containing a list of compromised usernames (or emails) paired with passwords. These lists are typically used by threat actors to perform credential stuffing attacks