A "combolist" (short for combination list) is a plain text file aggregating usernames or email addresses and passwords leaked from multiple security breaches.
The phrase refers to a file containing a large collection (195,000) of stolen login credentials, typically formatted as email:password pairs . What is a Combolist? Download 195K MAIL ACCESS VALID COMBOLIST MIX txt
: Specifically targets credentials that grant direct access to email inboxes (e.g., Gmail, Outlook, Yahoo). A "combolist" (short for combination list) is a
: Claims that the credentials have been verified as working, though these claims are often unreliable or based on old data. : Specifically targets credentials that grant direct access
: Indicates the credentials come from a variety of different sources, regions, or email providers rather than a single specific breach. Purpose and Illegal Use
Cybercriminals use these lists as "ammunition" for automated attacks: Daily Mail Access Updates | PDF - Scribd