Emails, Passwords, URLs: What the WATERCLOUD_INFO Log Exposed

Emails, passwords, and the web addresses they unlock: that's exactly what a stealer log titled WATERCLOUD_INFO 0377 PIECE 15.08.2026 contained when HEROIC analysts found it on Telegram in August 2026. Inside were 1,334 credential sets, every password already stored as plain, readable text. Scanning your email tells you if yours is one of them.

Three Pieces of Data, One Complete Picture

On their own, an email address or a password isn't especially useful to an attacker. Paired together with the site each one belongs to, though, they form a complete, ready-to-use login that requires no extra guesswork.

What Was Exposed

• Email Addresses: identifies the account holder and gives attackers a direct target for phishing.
• Plaintext Password: already readable, meaning it's ready to use the moment the file is opened.
• URLs: shows exactly which site or service each password was captured from.

Why This Combination Is So Effective for Attackers

A stealer log pairs these three pieces together automatically, which is what makes it more dangerous than a random list of emails or passwords alone. Every entry arrives ready to test, with the target site already identified.

How Malware Collects Data Like This

Stealer logs come from malware quietly running on an infected device, pulling saved logins straight out of browsers and apps, then bundling everything, including site URLs, into a file for whoever controls the malware.

Check Whether Your Data Made the WATERCLOUD_INFO List

Scan your email to see if you're one of the 1,334. If you are, clean or reset the affected device first, then change your passwords from a device you trust, whether for personal or work accounts.