HOTMAIL TEST 1 Leak: Malware Stole 697 Hotmail Passwords

HEROIC analysts uncovered a stealer log dump labeled "HOTMAIL TEST 1," uploaded to a Telegram channel on 19-May-2026. The file contained 697 records, including email addresses, plaintext passwords, and the URLs of the sites where those logins were captured.

Why This Hotmail-Linked Stealer Log Is Dangerous

This data did not come from a hack of Hotmail or Outlook itself. It was harvested by information-stealing malware that infected a device, quietly recorded whatever was typed into browser login forms, and saved the results in plaintext. Because each password in the file is paired with the exact URL it was used on, whoever holds this log can log straight into the matching accounts without needing to guess or crack anything.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs of the websites tied to each login

Why This Matters

Because the credentials are unencrypted and mapped to specific websites, anyone accessing this file can attempt immediate account takeover wherever those passwords are still valid. If the same passwords were reused across email, banking, or shopping accounts, attackers can also try credential stuffing to break into those additional accounts.

How Stealer Logs Work

Stealer log malware typically arrives disguised as pirated software, a cracked game, or a malicious attachment. Once it runs, it silently pulls saved passwords, autofill entries, and browser session data from the infected device and bundles everything into a log file. That file is then sold or shared on Telegram channels and dark web marketplaces, often within hours of being collected.

Check If You Are Affected

If you use a Hotmail or Outlook address and are unsure whether your credentials were caught up in this leak, use HEROIC's free breach scanner to check right away. It searches a database of more than 400 billion breached and leaked records to show you if your information has been exposed and what to do next.