LeakBase 5.9Kk ULP Data Leaked: 2M Accounts Compromised in 2024

HEROIC found the LeakBase 5.9Kk ULP stealer log posted March 8, 2024, exposing 2,021,440 records including email addresses, plaintext passwords, and homepage URLs. The log was posted by a user called firegoon on a widely recognized hacking forum.

Why the LeakBase 5.9Kk ULP Breach Is Dangerous

Plaintext passwords require no cracking or decryption. Attackers can immediately use every exposed email and password pair to attempt logins across banking, email, social media, and subscription services. The homepage URLs in this log also identify which specific platforms each victim used, making targeted account takeover attacks faster and more effective.

What Was Exposed in the LeakBase 5.9Kk ULP Leak

• Email Address
• Plaintext Password
• HomePage URL

Why This LeakBase 5.9Kk ULP Data Puts You at Risk

If your credentials appear in this log, attackers have your exact password and can attempt it on any account linked to your email address. Password reuse across platforms multiplies the damage. The homepage URLs further enable attackers to know exactly where to test your credentials, streamlining account takeover campaigns.

How Stealer Logs Work

Stealer logs are collections of credentials harvested by malware installed on victims' computers. The malware silently captures saved passwords from browsers and applications, then uploads them to criminal servers where they are compiled into logs and sold or posted on hacking forums.

Check If Your Data Was Exposed

HEROIC operates one of the world's largest breach databases, covering more than 400 billion leaked records. Use HEROIC's free breach scanner to check if your email address or credentials appeared in the LeakBase 5.9Kk ULP leak or thousands of other breaches in our database.