HEROIC Found 572 Stolen Credentials in the MIxed Valid_1 Dump

HEROIC analysts found the MIxed Valid_1 dataset shared on Telegram in February 2025. The breach contained 572 records of verified credentials, including email addresses, plaintext passwords, and URL data harvested from infected devices across mixed platforms.

Verified Credentials From Mixed Sources Increase Attack Reach

A valid label in criminal markets means these credentials have been confirmed to work. Mixed collections spanning multiple platforms mean attackers have tested logins for email providers, streaming services, and financial portals all in a single file.

What the MIxed Valid_1 Leak Exposed

• Email Addresses
• Plaintext Passwords
• URLs (endpoint context)

Even Small Verified Credential Leaks Cause Real Harm

With 572 confirmed working accounts, attackers can move quickly. Each credential can be used for account takeover, fraudulent purchases, or resale on dark web markets. Victims may not realize their accounts are compromised until they are locked out.

How Stealer Log Breaches Work

Stealer logs are produced by malware silently installed on victims' computers. The malware captures usernames, passwords, and browser session data before sending it to criminals, who then package and sell the data on Telegram channels and dark web markets.

Check If Your Data Was Exposed

HEROIC's free breach scanner searches over 400 billion+ leaked records to tell you if your email was part of this or any other stealer log dump. Check your exposure now at no cost.