How a Stealer Log Dump Led to 6,459 Stolen Logins in the Logs_3 Leak

HEROIC analysts traced a stealer log dataset referred to as Logs_3 October back to October 3, 2025, when it was uploaded to a public Telegram channel. The file holds 6,459 records tied to users in the United States, made up of email addresses, plaintext passwords, and the URLs each credential pair unlocked.

How a Stealer Log Dump Like This One Leads to Stolen Logins

This data was not pulled from a company's database. It was harvested directly from infected devices by stealer malware, which explains why the passwords are stored in plaintext rather than encrypted or hashed. Each record pairs a working login with the exact site it was used on, so an attacker does not need to guess, crack, or piece anything together before using it.

What Was Exposed in the Logs_3 October Dump

• Email addresses
• Plaintext passwords
• URLs linked to each login

Why the Logs_3 October Leak Puts More Than 6,000 Accounts at Risk

Ready-to-use credentials like these are the raw material for credential stuffing attacks, where stolen logins are tested against banking, email, and shopping sites in bulk. Anyone among the 6,459 people in this file who reused a password elsewhere is exposed to account takeover, identity theft, and financial fraud, often before they even realize their device was infected.

How Stealer Malware Builds a Log Like Logs_3 October

Stealer malware typically arrives through cracked software, fake installers, or malicious attachments. Once it runs, it scans the browser for saved usernames, passwords, and the web addresses they belong to, then quietly sends that information to the attacker controlling it. That person compiles the results into a log file, like this one, and shares or sells it through Telegram channels and dark web forums.

Check If You Are Affected

If you think your credentials could be part of the Logs_3 October dump or another breach, HEROIC's free breach scanner checks your email against a database of more than 400 billion leaked records. Scan your email now to find out what is exposed and how to secure your accounts.