Still in public preview, new application authentication method policies will help Microsoft 365 customers adhere to best practices for managing application credentials, while asserting pressure on ISVs to do the same. Going forward we can expect this to turn into a standard configuration, enforced across many organizations. To address the problem, Microsoft is ready to release a set of features to help. In this article, we introduce you to Azure AD application authentication method policies, one of the features in the set.
— Read on practical365.com/azure-ad-app-management-method-policies-harden-application-security-posture/