The 34K 25.05 Leak Surfaced in May. The Data Just Went Public.

HEROIC analysts found a combolist called 34K 25.05, uploaded to Telegram and dated May 25, 2026. The file's actual contents include 34,197 records of email addresses, plaintext passwords, and the login URLs tied to each account. Why This Is Dangerous: Because the passwords are stored in plaintext, attackers can use them immediately, with no need to crack or decrypt anything. With more than 34,000 credential pairs, automated tools can attempt logins across the internet within minutes of the file circulating. What Was Exposed: Email addresses, plaintext passwords, and the URLs each login was meant to access, together forming a working credential set for every record. Why This Matters: This file surfaced on Telegram in late May, meaning any exposed credentials could have already been tested against major websites before most people are even aware their information leaked. Reused passwords are the main reason these lists lead to real account takeovers. How This Combolist Was Built: Files like 34K 25.05 are usually compiled from multiple older breaches and stealer malware logs, then labeled with an approximate size and date before being shared on Telegram. The name reflects how the seller marketed the file, not a confirmed single-source breach. Check If You Are Affected: HEROIC's free breach scanner checks your email against more than 400 billion leaked records. Run a free scan now to see if your credentials appear in this leak and change any password you've reused.