Azure Login Explicitly Denied MFA
Incident Management is now generally available! Incident Management is now generally available!
<  Back to rules search

Azure Login Explicitly Denied MFA

azure

Classification:

attack

Tactic:

Technique:

Set up the azure integration.

Overview

Goal

Detect and identify the network IP address when multiple user accounts failed to complete the MFA process.

Strategy

Monitor Azure Active Directory Sign-in logs and detect when any @evt.category is equal to SignInLogs, @properties.authenticationRequirement is equal to multiFactorAuthentication and @evt.outcome is equal to failure.

Triage & Response

  1. Inspect the log and determine if this was a valid login attempt.
  2. If the user was compromised, rotate user credentials.