User Access Blocked by Azure Conditional Access

Title: User Access Blocked by Azure Conditional Access
Status: test
Description:Detect access has been blocked by Conditional Access policies. The access policy does not allow token issuance which might be sights≈ of unauthorizeed login to valid accounts.
References:
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-accounts
Author: AlertIQ
Date: 2021-10-10
modified:2022-12-25
Tags:

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

Logsource:

• product: azure
• service: signinlogs

Detection:
  selection:
    ResultType: '53003'
  condition:selection
Falsepositives:
  -Unknown
Level: medium