Username lookup
Usernames travel across services far more than people expect. The same handle registered in 2013 on a forum usually turns up again in a gaming breach, a paste, and a combolist, each time attached to whatever email address the person used that year.
Run a username lookupexample: handle
What a result contains
Attached addresses
Email addresses recorded with the username.
Passwords
Credentials stored against the handle.
Platform presence
Services where the handle appears in a leaked user table.
Alias clusters
Usernames that co-occur in the same records.
How to read the result
- Try handle variants. Removing trailing digits or swapping an underscore for a hyphen often surfaces a second cluster of records.
- A username attached to a corporate address in one record and a personal address in another tells you where the person's accounts divide.
Modules queried
- Snusbase
- LeakCheck
- HackCheck
- IntelX
Each row in a result set names the module it came from, so findings stay traceable.