Azure AD Password Protection is now in public preview
Updated: December 17, 2018
Azure AD Password Protection helps you eliminate easily guessed passwords from your environment, which can dramatically lower the risk of being compromised by a password spray attack. Specifically, these features let you: Protect accounts in Azure AD and Windows Server Active Directory by preventing users from using passwords from a list of more than 500 of the most commonly used passwords, plus over 1 million character substitution variations of those passwords. Manage Azure AD Password Protection for Azure AD and on-premises Windows Server Active Directory from a unified admin experience in the Azure Active Directory portal.