The ‘2k Mix’ Combolist Quietly Leaked 1,715 Login Credentials

In August 2025, HEROIC analysts found a file called 2k Mix uploaded by a Telegram user, containing 1,715 records of email addresses and plaintext passwords bundled from multiple sources. Why This Is Dangerous: Despite the informal name, every credential in this file is a working email and password pair stored in plain text. That means anyone who downloads it can immediately begin testing these logins against other websites, no cracking or additional effort required. What Was Exposed: - Email addresses - Plaintext passwords - URLs tied to each login Why This Matters: Mixed combolists like this one are often merged with other lists to build larger attack sets used for credential stuffing, the automated testing of stolen logins across many services. If any of these 1,715 accounts reused a password elsewhere, those additional accounts are exposed as well. How This Combolist Works: Files labeled mix typically combine credentials scraped from several smaller breaches, phishing campaigns, or stealer logs into one list, without necessarily coming from a single source or company. The 2k Mix file appears to follow this pattern. Check If You Are Affected: Run a free scan with HEROIC to check your email and passwords against this leak and more than 400 billion other breached records.