A combolist is a curated collection of credentials—usually in a username:password or email:password format—sourced from various data breaches, phishing campaigns, or . Combolists and ULP Files on the Dark Web - Group-IB
Files like are typically combolists —large text files containing thousands to millions of stolen email and password combinations formatted for automated cyberattacks. The "14x" prefix usually refers to the specific number of distinct data breaches or categories (e.g., 14 different datasets) aggregated into that single file. What is a Combolist? 14x MailAcces.txt