The 855x UHQ Hotmails Leak Gave Attackers a Way Into Real Accounts

HEROIC analysts identified a combolist called 855x UHQ Hotmails, uploaded by a Telegram user on 21 June 2026. The "UHQ" label, short for ultra-high-quality, signals verified credentials, and the file contains 854 Hotmail email addresses paired with plaintext passwords and the URLs of the login pages they belong to.

Why This Is Dangerous

The 855x UHQ Hotmails leak gave attackers everything they need to walk straight into 854 real inboxes. Because the credentials are marketed as verified, whoever bought or downloaded this file did not need to guess which passwords still work, they already had a checked list ready to use the moment they got it.

What Was Exposed

• Hotmail email addresses
• Plaintext passwords
• URLs of the login pages tied to each account

Why This Matters

A Hotmail inbox often doubles as the recovery point for banking, shopping, and social media accounts, so gaining access lets an attacker reset passwords well beyond the original email. Anyone among these 854 users who reused their Hotmail password on another site faces exposure across every account sharing that password, a direct path to identity theft.

How Combolists Work

A combolist pairs stolen email addresses with their passwords, typically sourced from stealer logs or older breaches, then sorted by provider, as with this Hotmail-focused batch. "UHQ" sellers run these lists through automated checker tools before selling them, confirming which credentials still log in successfully, which is exactly what makes a verified list more immediately dangerous than an unchecked one.

Check If You Are Affected

HEROIC's free breach scanner checks your email against more than 400 billion leaked records, including verified combolists like this one. Run a free search now and change your password if your account turns up.