Specops Password Policy 7.0.0 introduces compatibility with Specops Breached Password Protection, a hosted service with a continuously updated list of 1 billion previously leaked passwords. The solution enables customers to comply with requirements from the National Institute of Standards and Technology (NIST) The solutions dictionary capability allows IT admins to create their own custom dictionary list or download any of the Specops provided lists. During an Active Directory password change, passwords are checked and users are informed to change it at next login.”]
Source: https://specopssoft.com/blog/press-release-block-1-billion-leaked-passwords-specops-password-policy/