Knowing the context (like an alert or a file you found) can help me give you more specific advice.
Hackers use these files for Credential Stuffing . They use automated tools to "stuff" these 135,000 combinations into the login pages of other popular sites (like Netflix, Spotify, or banking portals) to see if people reused the same password [1, 2]. 135k Combo List.txt
These lists are usually compiled from various past data breaches across different websites [3, 4]. Knowing the context (like an alert or a
You should immediately change your passwords for important accounts and enable Two-Factor Authentication (2FA) [4]. 135k Combo List.txt
The "135k" indicates that this specific list contains approximately What is a Combo List?
If you found this file on your computer or saw your info in a similar list: