4.746 HOTMAIL Breach Report: 906 Accounts Leaked in Stealer Log

HEROIC analysts tracked the 4.746 HOTMAIL stealer log to October 2024, finding 906 exposed records including email addresses, plaintext passwords, and endpoint URLs. An anonymous Telegram user shared the file in criminal forums, specifically targeting Hotmail credentials harvested by an infostealer.

906 Hotmail Passwords Exposed in Plain Text

When passwords are stored in plaintext rather than encrypted form, attackers face zero barriers to using them. The 906 credentials in this dump are immediately actionable — no decryption required. Anyone with access to the file can attempt logins on Hotmail and any site where victims reused the same password.

What the 4.746 HOTMAIL Leak Exposed

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

Infostealer Malware Was Behind This Hotmail Breach

The 4.746 HOTMAIL dump is the output of infostealer malware that infected victims' devices. Once installed, the malware captured all saved Hotmail credentials before the victim knew anything was wrong. This type of breach is particularly dangerous because there is no single compromised server — each victim's device was individually targeted.

How Stealer Log Breaches Work

Stealer logs are created when malicious software infects a device and silently collects saved credentials, browser data, and session tokens. The collected data is sent to criminal operators who compile, sort, and sell it in bulk. Victims often discover the breach only when their accounts are hijacked.

Check If Your Data Was Exposed

HEROIC's free breach scanner covers more than 400 billion records sourced from data breaches, stealer logs, and dark web leaks. Enter your email address to check whether your credentials appeared in the 4.746 HOTMAIL dump or any other known exposure.