1K Hotmail Combo List Leak Puts 710 Accounts at Risk of Identity Theft

HEROIC analysts identified a combolist called 1K Hotmail Combo List Full Valid that was uploaded by a Telegram user in July 2026. The file contains 710 records of Hotmail email addresses paired with plaintext passwords and the URLs those credentials unlock, and its title suggests the uploader had already tested the logins and confirmed they still work. Why this is dangerous: a combolist marked as full valid means the credentials inside have been verified as active, so an attacker does not need to guess which logins still work. Because the passwords are stored in plaintext, anyone who grabs this file can sign into those Hotmail accounts immediately, then use them to reset passwords on other services, read private messages, or impersonate the account owner. What was exposed: Hotmail email addresses, plaintext passwords, and the URLs tied to each set of credentials. Why this matters: once an attacker has a working email login, identity theft becomes much easier. Email accounts are often the master key to a person's digital life, since they can be used to reset passwords on banking, shopping, and social media accounts. For the 710 people in this file, a verified working login means real exposure to account takeover, financial fraud, and identity theft, not just a theoretical risk. How combolists work: a combolist is a compiled file of email and password pairs, typically pulled from older breaches, phishing campaigns, or stealer malware and repackaged by whoever uploads it. When a combolist is labeled full valid, it usually means the person distributing it ran the credentials through a checker tool to confirm they still log in successfully, which makes these lists more dangerous and more valuable to criminals than unverified ones. Check if you are affected: HEROIC's free breach scanner checks your email address against a database of more than 400 billion leaked records, including verified combolists like this one. Run a free scan to see if your Hotmail login was exposed and get guidance on securing your account before it is used against you.