Search Your Inbox: The Hotmail Combo Leak Exposed 2,482 Passwords

A Telegram Combolist Exposes 2,482 Hotmail Accounts In June 2026, HEROIC analysts identified a combolist file uploaded to a Telegram channel by an individual user, containing 2,482 sets of email addresses, usernames, and plaintext passwords. The file, tied to Hotmail and related Microsoft accounts, was packaged for easy reuse by anyone who downloaded it, meaning the credentials were ready to be tested against other services the moment the file went up. Why a Plaintext Password Dump Is Dangerous Because the passwords in this leak were stored and shared in plaintext, there is no encryption standing between an attacker and your actual login credentials. Anyone who downloads the file can read your password exactly as you typed it. If you used that same email and password combination anywhere else, an attacker already has the keys. What Was Exposed Email addresses Plaintext passwords Associated URLs Why This Matters A combolist like this one is built for a single purpose: credential stuffing. Attackers load these email and password pairs into automated tools and test them against banking sites, social media, email providers, and online stores. Because so many people reuse the same password across multiple accounts, a single leaked Hotmail login can quickly turn into a compromised bank account, hijacked social profile, or stolen identity. How a Combolist Leak Works A combolist is simply a compiled text file of "combo" entries, typically email or username paired with a password, gathered from older breaches, phishing campaigns, or malware infections and combined into one list. Unlike a raw database dump from a single hacked company, combolists are often assembled by individuals from multiple sources and shared freely in Telegram groups and forums, where they get recycled and reused by other attackers for years after the original leak. Check If Your Hotmail Account Is Affected With 2,482 accounts already circulating in this file, it's worth checking whether your email address is one of them. HEROIC's free breach scanner searches a database of more than 400 billion leaked records to tell you instantly if your information has been exposed, so you can change your password before someone else uses it first.