Subscriber Combolist Leak: 1 Password Exposed on Telegram

Subscriber Combolist Leak: 1 Record Exposed

In January 2023, HEROIC analysts found a combolist labeled "subscriber" uploaded to a Telegram channel. Though small, the file contained 1 record pairing an email address with a plaintext password and an associated URL.

Why This Is Dangerous

Even a single exposed record carries real risk for the person behind it. Because the password in this file is stored in plaintext, whoever holds this record can use it immediately, no cracking required. If that one password was reused on other accounts, an attacker only needs this single credential to potentially unlock several services at once.

What Was Exposed

• Email address
• Plaintext password
• Associated URL

Why This Matters

Small combolists like this one are often fragments pulled from larger collections or individual harvests, but they are still valuable to attackers running credential stuffing attempts. A single working email and password pair can be tested against banking sites, email providers, and shopping accounts, and a match can lead to account takeover, financial fraud, or identity theft for the one person affected.

How a Combolist Leak Works

A combolist pairs an email or username with a matching password, usually pulled from an older breach, malware infection, or another leaked source. Even single-record files like this one circulate on Telegram channels, sometimes as samples used to advertise larger collections for sale, or simply as leftover fragments from bigger leaks.

Check If You Are Affected

Because this leak involves just one record, the only way to know for certain if it is yours is to check. HEROIC's free breach scanner searches a database of more than 400 billion leaked records, including small combolists like this one, so you can find out in seconds. If you find a match, change that password everywhere you have reused it and turn on multi-factor authentication for extra protection.