11K Leaked: MAIL ACCESS 12K MIX VALID 100 uploaded by a Telegram User

In June 2026, HEROIC analysts found a file labeled "MAIL ACCESS 12K MIX VALID 100" circulating on Telegram, containing 11,564 exposed records. Each entry pairs an email address with a plaintext password and the login URL it was captured from, filtered down from a claimed pool of about 12,000 accounts to the batch confirmed to still work.

Why a Confirmed Valid List Demands Quick Action

Unlike raw, unverified data, this file has already been checked and labeled "valid," meaning every login inside it is confirmed to work right now. There is no guesswork for whoever buys or downloads it, which means the window to change a password before it gets used is shorter than with an unverified leak.

What Was Exposed

• Email addresses
• Plaintext passwords
• Login URLs matched to each account

Why This Matters

With over 11,000 confirmed working logins, this batch is built for credential stuffing, automated attempts to try the same email and password combination against banking, shopping, and other online accounts. Anyone in this list who reused their password elsewhere faces a real risk of account takeover, and depending on what other services share that password, identity theft or financial fraud can follow.

How a 12K Batch Becomes 11,564 Confirmed Hits

Sellers typically gather a large pool of email and password pairs from stealer malware or older leaks, then run automated checks against the real login pages to confirm which credentials still work. Whatever fails to log in gets discarded, leaving a smaller, verified batch labeled "valid," exactly how a claimed 12,000-record source list was narrowed down to the 11,564 confirmed records in this file.

Check If You're Affected

Because confirmed valid credentials are used quickly, waiting to check your exposure only benefits attackers. HEROIC's free breach scanner searches a database of more than 400 billion leaked records, so you can find out in seconds whether your email and password are part of this leak.