Free Threat Intel Tool
Credential Leak Check
Check whether an email address, username, or domain has turned up in known breach data from our threat intelligence corpus — free, for anyone to use.
Submit an identifier
Enter an email, username, or domain you want checked.
We check our corpus
Cross-referenced against our threat intelligence breach data.
Get a clear answer
No exposed credentials are ever shown directly — just exposure status.
This tool is informational only and does not display exposed passwords or credentials directly. Submitted values are used solely to perform the lookup.