Sign-in Failure Due to Conditional Access Requirements Not Met

Title: Sign-in Failure Due to Conditional Access Requirements Not Met
Status: test
Description:Define a baseline threshold for failed sign-ins due to Conditional Access failures
References:
  -https://learn.microsoft.com/en-gb/entra/architecture/security-operations-privileged-accounts
Author: Yochana Henderson, '@Yochana-H'
Date: 2022-06-01
modified:None
Tags:

• -'attack.privilege-escalation'
• -'attack.persistence'
• -'attack.initial-access'
• -'attack.credential-access'
• -'attack.stealth'
• -'attack.t1110'
• -'attack.t1078.004'

Logsource:

• product: azure
• service: signinlogs

Detection:
  selection:
    ResultType: '53003'
    Resultdescription: 'Blocked by Conditional Access'
  condition:selection
Falsepositives:
  -Service Account misconfigured
  -Misconfigured Systems
  -Vulnerability Scanners
Level: high