After announcing the public preview of critical Microsoft Authenticator security features, we’re thrilled today to share that these features are now Generally Available for you to further secure your organization:
Microsoft Hardens Authenticator App to Prevent MFA Fatigue by Tony Redmond
How to use number matching in multifactor authentication (MFA) notifications - Authentication methods policy
With increasing adoption of strong authentication, multi-factor authentication (MFA) fatigue attacks (aka, MFA spamming) have become more prevalent. These attacks rely on the user’s ability to approve a simple voice, SMS or push notification that doesn’t require the user to have context of the session they are authenticating.