The LeakBase B3RL1N Dump Exposed 4M U.S. Credentials

HEROIC analysts flagged the LeakBase B3RL1N 14.9M ULP dataset on February 6, 2025, after the file titled 14KK URL-LOG-PASS @B3RL1N was posted on a major underground hacking forum. The archive carries approximately 14.9 million lines and resolves to 4,008,787 unique records containing email addresses, plaintext passwords, and the homepage URLs the credentials were captured on.

Why This Stealer Log Is Dangerous

The B3RL1N dump sits in public forum downloads with zero pay wall for credential stuffing operators. Its plaintext passwords remove the cracking step, and the URL field labels each credential with the exact service it unlocks. That combination turns casual forum scraping into ready-made account takeover fuel.

What Was Exposed in LeakBase B3RL1N 14.9M ULP

• Email addresses associated with specific online services
• Plaintext passwords, no hashing applied
• HomePage URLs identifying the originating login page

Why This Matters

For U.S. users especially, the pairing of email and plaintext password unlocks credential stuffing against banking, email, and retail portals. Successful logins enable account takeover, identity theft, and fraud chains that hop across shopping, crypto exchanges, and payroll systems. Reused passwords multiply the blast radius.

How Database Leaks Work

Stealer operators compile infected-machine exports into ULP files (URL, Login, Password). The aggregated logs are sold or given away on forums like LeakBase, where other actors mine them for high-value domains. Each row is pre-validated against a real service, so attackers skip straight to automation.

Check If You Are Affected

Your email may be among the 4 million B3RL1N entries if you use or have used common U.S. platforms. Check free against HEROIC's 400 billion plus record scanner to see whether your credentials appear in this dump or other recent stealer logs.