The 10K Mail Access Leak Surfaced July 19: 9,610 Accounts Exposed

"10K MAIL ACCESS 1" Stealer Log Exposes 9,610 Records

HEROIC analysts identified a stealer log file labeled "10K MAIL ACCESS 1" that surfaced on a Telegram channel on July 19, 2026. The file contained 9,610 records, including email addresses, plaintext passwords, and the URLs of the accounts those credentials unlock. Despite the "10K" in the name, the actual count came in at 9,610 verified records, all posted openly for anyone in the channel to grab.

Why This Is Dangerous

This data was harvested directly from infected devices rather than pulled from a hacked company server, which is why the passwords in this file are stored in plaintext, not hashed or encrypted. Paired with the matching URL for each account, an attacker does not need to guess where a password belongs. They can go straight to the correct login page and try each of these 9,610 credential pairs.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the accounts the credentials belong to

Why This Matters

With 9,610 email accounts in play, the chances are high that some of these people reused their password elsewhere. Attackers use exactly that habit for credential stuffing, taking a leaked email and password pair and trying it on banking, shopping, and social media logins. That can lead directly to account takeover, identity theft, and financial fraud.

How Stealer Logs Work

A stealer log is created when malware, often hidden inside a cracked program, fake download, or malicious attachment, infects a device and quietly collects everything saved in the browser: usernames, passwords, autofill data, and browsing history. That data is packaged into a log file, labeled with a batch name like "10K MAIL ACCESS 1," and uploaded to Telegram channels where anyone can access it.

Check If You Are Affected

If you think your email might be part of this or any similar leak, HEROIC's free breach scanner checks your address against a database of more than 400 billion leaked records. It takes seconds to check and tells you exactly where you stand.