The 24K USA Valid Combolist Means Hackers Already Have Your Login

In May 2026, HEROIC analysts found a combolist file called 24K USA Valid uploaded to a Telegram channel by an anonymous user. The file contained 24,176 records of email addresses, plaintext passwords, and the URLs of the accounts those logins unlock, all marked as verified United States credentials.

Why the 24K USA Valid Combolist Is So Concerning

The word "valid" in this file's name matters. It signals that whoever compiled this list already tested the logins and confirmed they work, rather than dumping raw, unchecked data. That means every one of the 24,176 records is more likely to grant an attacker real access right now, not a stale password that was changed months ago.

What Was Exposed in the 24K USA Valid Leak

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

Why Verified Credentials Raise the Stakes

Unverified leaked passwords sometimes no longer work by the time an attacker tries them. A list labeled valid removes that uncertainty, making it far more attractive for credential stuffing, account takeover, and identity theft. Anyone whose email and password appear in this file faces immediate risk on every other account where they used the same password.

How a Verified Combolist Like This One Comes Together

Combolists are built by combining email and password pairs from multiple sources, older breaches, stealer logs, or phishing campaigns, into one file. A "valid" combolist goes a step further: the compiler runs each pair through an automated checker that attempts to log in and confirms which ones still work, then repackages only the successful hits for sale or free distribution on Telegram.

Check If You Are Affected

If your email could be part of the 24K USA Valid leak or any other breach, HEROIC's free breach scanner checks it against a database of more than 400 billion leaked records. Run a scan now and change any password you may have reused.