730K Email Addresses From LeakBase 5.6Kk ULP Exposed on the Dark Web

HEROIC found the LeakBase 5.6Kk ULP by firegoon Stealer log breach dated April 2024, exposing 730,016 records including email addresses, plaintext passwords, and homepage URLs from LeakBase 5.6Kk ULP by firegoon, an infostealer credential log compiled and distributed on criminal forums.

Why the LeakBase 5.6Kk ULP Breach Is Dangerous

730,000 plaintext passwords paired with email addresses and homepage URLs give attackers an immediately exploitable toolkit. Criminals deploy these credentials in automated attacks across banking, email, and social media platforms, using the homepage URLs to identify which services each victim uses and prioritize high-value targets for account takeover.

What Was Exposed in the LeakBase 5.6Kk ULP Leak

• Email addresses
• Plaintext passwords
• Homepage URLs

Why This LeakBase 5.6Kk ULP Data Puts You at Risk

Plaintext passwords from stealer logs are immediately weaponized in credential stuffing attacks. If you reuse passwords, a single exposed credential can unlock your email, bank, and social media accounts. The homepage URLs in this dataset help attackers identify which services to target, increasing the risk for anyone whose data appeared in this log.

How Stealer Logs Work

Stealer logs are created by infostealer malware that infects victim devices through phishing emails, malicious downloads, or software vulnerabilities. Once installed, the malware silently harvests saved browser passwords, cookies, and form data before transmitting the stolen credentials to criminal operators. The logs are then compiled and sold or shared on underground forums for use in account takeover attacks.

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 5.6Kk ULP by firegoon leak or thousands of other breaches in our database.