y999 Combolist: 9 Passwords Quietly Leaked on Telegram Now

HEROIC analysts quietly flagged a small combolist called "y999" uploaded to a Telegram channel on August 20, 2026. The file contains 9 records, each pairing an email address with a plaintext password and an associated login URL. It did not make headlines, but every one of those 9 accounts is now sitting exposed for anyone who finds the file.

Why This Is Dangerous

A file this small can easily slip past notice, which is exactly what makes it dangerous. The passwords were stored in plaintext, so no cracking is required, an attacker can simply copy each email and password pair and try logging in immediately, often before anyone realizes the data is circulating.

What Was Exposed

• Email addresses
• Plaintext passwords
• Associated URLs

Why This Matters

Small, quiet leaks like this one are still fed into the same automated tools used for large-scale credential stuffing. If any of these 9 people reused their password on another account, an attacker can move from one login to the next without anyone noticing until money is missing or an account has been taken over. Identity theft and financial fraud rarely start with a loud announcement, they start with files exactly like this.

How Combolists Work

A combolist is a plain text file pairing usernames or email addresses with passwords, usually gathered from phishing pages, malware infections, or earlier breaches and shared quietly through Telegram channels and dark web forums. Files labeled with short, unremarkable names like "y999" rarely draw attention, but the credentials inside are just as real and just as usable as those in any headline breach.

Check If You Are Affected

Even small, quiet leaks deserve a check. HEROIC's free breach scanner searches more than 400 billion leaked records, so you can find out whether your email and password appear anywhere in this dataset or others, and update your credentials before someone else uses them.