1.6K Hotmail Leak: 1,502 Records Could Unlock Other Accounts

HEROIC analysts identified a stealer log dump labeled "1.6K Hotmail Combo list Full Valid," uploaded to a Telegram channel on 20-Jun-2026. The file contained 1,502 records, including email addresses, plaintext passwords, and the URLs of the sites where those Hotmail logins were used.

Why This 1.6K Hotmail Leak Could Unlock Other Accounts

A Hotmail or Outlook inbox is rarely just an inbox, it is usually the recovery address tied to banking apps, shopping accounts, and social media profiles. If an attacker gets into one of these plaintext-password accounts, they can use "forgot password" links on other services to reset and take over accounts that were never part of the original leak at all.

What Was Exposed

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

Why This Matters

Because the passwords are unencrypted and matched to specific sites, this data enables immediate account takeover on the Hotmail accounts themselves. From there, the chained risk grows: attackers can pivot to any other account linked to that inbox, and if the same password was reused elsewhere, credential stuffing extends the damage even further.

How Stealer Logs Work

Stealer log malware infects a device, often through cracked software or a malicious attachment, and silently records saved passwords, autofill entries, and browser session data as they are used. The stolen data is bundled into a log file, frequently repackaged and sold as a "combo list," and shared on Telegram channels and dark web forums.

Check If You Are Affected

If you use a Hotmail or Outlook address, use HEROIC's free breach scanner to check whether your credentials appear in this or any other leak. It searches a database of more than 400 billion breached and leaked records to show you instantly if your information has been exposed.