The Valid_Hotmails Leak Could Unlock Email, Banking, and More

On 28 July 2026, HEROIC analysts found a small combolist named "Valid_Hotmails" uploaded to Telegram. It contained 35 records pairing email addresses with plaintext passwords and the URLs of the accounts they open.

Why This Is Dangerous

An email account is often the key that unlocks everything else. If an attacker gets into one of the 35 Hotmail accounts in this file, they can use the "forgot password" link on banking apps, shopping sites, and social media to redirect password resets straight into that inbox.

What Was Exposed

• Email addresses
• Plaintext passwords
• URLs identifying the account each credential pair belongs to

Why This Matters

Because email accounts are used to reset passwords everywhere else, a compromised inbox can chain into banking, social media, and shopping account takeovers even if none of those other accounts were directly breached. This is what makes even a small file like this one worth taking seriously.

How Combolists Work

Files labeled "Valid" typically mean a seller has already checked that each email and password pair successfully logs in before posting the list. Combolists like "Valid_Hotmails" focus specifically on one email provider, making them attractive to attackers who want to target webmail accounts and then pivot into whatever other services are linked to that inbox.

Check If You Are Affected

Search your email address against HEROIC's database of more than 400 billion leaked records with a free scan to see if it appears in this or any other exposure.