25k Full Valid Mail Leak: 24,185 Email and Password Pairs Exposed

HEROIC analysts identified a combolist file titled 25k Full Valid Mail circulating on Telegram in February 2025. The file contains 24,185 records combining email addresses, plaintext passwords, and the URLs of the sites those credentials were used on, all packaged together for resale or reuse by other criminals. Why This Is Dangerous: Because the passwords in this file are stored in plaintext, anyone who downloads it can immediately try each email and password pair against other websites. No cracking or guessing is required. The credentials are ready to use the moment someone opens the file. What Was Exposed: - Email addresses - Plaintext passwords - URLs of the original login pages Why This Matters: Combolists like this one fuel credential stuffing attacks, where automated tools test stolen email and password combinations against banking sites, email providers, and social media platforms. If you have ever reused a password across multiple accounts, one exposed login can quickly turn into several. How This Combolist Was Assembled: A combolist is not the result of a single hack. It is a compilation. Criminals gather usernames and passwords from older breaches, phishing pages, and malware-infected computers, then merge everything into one file, often sorted by domain. The 25k Full Valid Mail file follows this pattern, bundling credentials from multiple sources into a list built for account takeover attempts. Check If You Are Affected: HEROIC's free breach scanner checks your email against more than 400 billion breached records, including combolists like this one. Run a free scan to see if your credentials appear in this leak or any other exposure on file.