2,289 Hotmail 5 Logins Leaked With Emails and Passwords
2,289 is how many login records HEROIC analysts counted inside a combolist file called Hotmail 5, logged in January 2026. Each record pairs an email address with a plaintext password and the URL it was collected from, forming a ready to use set of credentials. This is a file of logins associated with the Hotmail name rather than a break in at Hotmail itself, and the only way to confirm your own exposure is to scan your email.
Why 2,289 Working Logins Matter
A file this size may look small next to larger leaks, but every entry in it is a complete, usable login rather than a partial record. That means an attacker does not need to do any extra work before trying each pair against the real account. Size aside, a complete and readable credential set like this is simple to act on right away.
What the Hotmail 5 File Contains
- Email Addresses: identify each person affected and give attackers a direct line for phishing attempts.
- Plaintext Password: readable as is, so it can be used immediately without any cracking.
- URLs: point to the specific login page each pair came from.
What Happens to the Accounts Involved
With a working email and password pair, an attacker can log in directly and lock the real owner out or quietly monitor the account. If that same password was used anywhere else, the risk extends to those accounts too, including anything tied to money or sensitive personal details. A small file can still cause outsized damage once reuse is involved.
How a Combolist Like This Comes Together
Combolists are built by collecting email and password pairs from assorted leaks and stealer logs, then grouping them by the service they appear to match. In this case, that grouping points to Hotmail, meaning the credentials were gathered elsewhere and organized around that target afterward. It is a very different path from a company's own systems being accessed.
Is Your Hotmail 5 Login on This List?
You can scan your email to check it against this file and HEROIC's broader records. If the password shown here matches one you still use, change it everywhere it appears, not only on the account named in the file. Treat your work email with the same care as your personal one, since both can end up in files like this.
Breach Breakdown
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