Your Login May Be Compromised: USA Valid Cipher1987 Leak, 555 Records

HEROIC analysts found a combolist titled "USA Valid Cipher1987," uploaded by a Telegram user and dated June 21, 2026. The file contains 555 records pairing email addresses with plaintext passwords, along with the URLs of the sites those logins were originally tied to.

Why the USA Valid Cipher1987 Leak Is Dangerous

Even a small file like this one can do real damage. Because the passwords are stored in plaintext, anyone who gets the list can use each email and password pair immediately, no cracking required. The included URLs tell an attacker exactly which site each login belongs to, making it easy to try the same credentials on that service or on other accounts where the same password might have been reused.

What Was Exposed in the Cipher1987 List

• Email addresses
• Plaintext passwords
• URLs linked to each set of credentials

Why This Matters Even for a Small Leak

A list of 555 records is small compared to some breaches, but that does not make it low risk for the people on it. If your email and password appear here, and you have used that same password anywhere else, an attacker can attempt credential stuffing against your email, banking, or social media accounts. Account takeover and identity theft can start from a single leaked password just as easily as from a massive breach.

How This Combolist Was Assembled

A combolist combines login credentials, usually gathered from malware infections, phishing, or older breaches, into one file formatted as email and password pairs. Files like USA Valid Cipher1987 are often put together and shared informally on Telegram, sometimes as a sample or a smaller cut of a larger collection, which is why the record count can be modest compared to headline breaches. Regardless of size, these files are traded and tested by attackers looking for working logins.

Check If You Are Affected

Whether a leak involves 555 records or 5 million, the only way to know if you are exposed is to check. HEROIC's free breach scanner searches your email against a database of more than 400 billion leaked records, including lists like USA Valid Cipher1987, so you can find out quickly and take action if needed.