* [DeHashed](https://dehashed.com/) - DeHashed helps prevent ATO with our extensive data set & breach notification solution. Match employee and consumer logins against the world’s largest repository of aggregated publicly available assets leaked from third-party breaches. Secure passwords before criminals can abuse stolen information, and protect your enterprise.
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* [LeakCheck](https://leakcheck.io/) - Data Breach Search Engine with 7.5B+ entries collected from more than 3000 databases. Search by e-mail, username, keyword, password or corporate domain name.
* [EmailHippo](https://tools.verifyemailaddress.io) - is an email address verification platform that will check whether a given email address exist or not.
* [h8mail](https://github.com/khast3x/h8mail) - Password Breach Hunting and Email OSINT, locally or using premium services. Supports chasing down related email.