The ULP PRIVATE WRTCLOUD Leak: More Stolen Than Most People Realize

HEROIC analysts identified this stealer log on 31-Jan-2026. The breach exposed 842,453 records, with stolen data including email addresses, plaintext passwords, and URLs. The source is identified as ULP PRIVATE WRTCLOUD.

Why This Is Dangerous

With 842,453 stolen records, this is a large-scale stealer log that handed attackers a massive inventory of ready-to-use login credentials. Each record contains a plaintext password, the email address it belongs to, and the URL of the site where it was used. Attackers can run automated tools against this data to attempt logins across banking sites, email providers, and social media platforms simultaneously. At this scale, even a small success rate means thousands of accounts compromised.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs (the exact websites where credentials were used)

Why This Matters

The ULP PRIVATE WRTCLOUD dataset is labeled private, meaning it was initially shared in closed communities before reaching wider circulation. That suggests organized criminal activity, not opportunistic sharing. With nearly a million credentials now in circulation, the risk of account takeover, identity theft, and financial fraud is significant. Anyone whose email appears in this dataset should treat all accounts using that password as compromised.

How Stealer Logs Work

A stealer log begins with malware installed on a victim's device, often through a phishing email, malicious download, or compromised software. The malware silently records every password saved in the browser, every login typed, and the website associated with each credential. This data is then exported as a structured log file and distributed through private Telegram channels and dark web forums. The ULP format (URL, login, password) is a common structure used to organize harvested credentials for easy use in automated attacks.

Check If You Are Affected

HEROIC offers a free breach scanner that searches 400 billion records from known breaches. Search your email address now to find out if your credentials appear in this breach or others. The scan is free and takes seconds.