List.txt | 135k Combo

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].

Knowing the context (like an alert or a file you found) can help me give you more specific advice. 135k Combo List.txt

It looks like you’re referring to a which in the world of cybersecurity and data breaches is a text file containing a large collection of username (or email) and password combinations. Hackers use these files for Credential Stuffing

The "135k" indicates that this specific list contains approximately What is a Combo List? It looks like you’re referring to a which

It means those credentials are in the public domain. If you use that password anywhere else, those accounts are at high risk.

These lists are usually compiled from various past data breaches across different websites [3, 4].