Users Targeted: The CuckooLogsPublic-20250709 Stealer Log Leaked 4,872 Records

HEROIC analysts found and recorded a stealer log breach known as CuckooLogsPublic-20250709, uploaded by a Telegram user in July 2025. When discovered, the dataset contained 4,872 records exposing email addresses, plaintext passwords, and URLs taken directly from infected devices by malware.

Why CuckooLogsPublic-20250709 Is Dangerous

The word "Public" in this breach name is a warning: this data was deliberately made freely available to anyone who wanted it. Unlike private criminal marketplaces that charge for access, public Telegram drops spread stolen credentials to thousands of bad actors at once. Attackers who recieve files like this can launch automated login attacks against every major platform within minutes of the file being shared. The scale of damage from a single public drop can be enormous.

What Was Exposed in CuckooLogsPublic-20250709

• Email Addresses
• Plaintext Passwords
• URLs

Why This Matters

When plaintext passwords and email addresses are leaked together, the risk of credential stuffing is immediate. Attackers test these pairs against hundreds of websites using automated tools, looking for anywhere the victim reused the same password. A successful hit can lead to account takeover, identity theft, and financial fraud in a matter of hours. Even people who believe they use strong passwords may be at risk if their device was infected and their passwords were captured before they could be changed.

How Stealer Log Works

Stealer logs are created by a category of malware called information stealers. These programs are often bundled inside free software, game cheats, or files shared on peer-to-peer networks. Once installed on a device, they silently harvest browser-saved passwords, cookies, and login credentials from every site the user visits. The logs are then compiled and distributed through Telegram channels, sometimes for free and sometimes for a fee. Victims are usually completley unaware their device was ever compromised.

Check If You Are Affected

HEROIC's free breach scanner lets you check whether your credentials appeared in this breach or any of the 400 billion+ records HEROIC has indexed. The scan is fast, free, and gives you the information you need to take action. Visit heroic.com to check your exposure and find out definitaly if your passwords have been leaked to the dark web.