How to Turn on Fraud Alerts in Azure AD

How to Turn on Fraud Alerts for MFA

1. Sign in to the Azure portal as an administrator.
2. Browse to Azure Active Directory > MFA Server > Fraud alert.Set the Allow users to submit fraud alerts setting to On.
3. Select Save.

Reference Link:

https://docs.microsoft.com/en-us/azure/multi-factor-authentication/multi-factor-authentication-whats-next#fraud-alert