Sign-in Failure Due to Conditional Access Requirements Not Met

 1title: Sign-in Failure Due to Conditional Access Requirements Not Met
 2id: b4a6d707-9430-4f5f-af68-0337f52d5c42
 3status: test
 4description: Define a baseline threshold for failed sign-ins due to Conditional Access failures
 5references:
 6    - https://learn.microsoft.com/en-gb/entra/architecture/security-operations-privileged-accounts
 7author: Yochana Henderson, '@Yochana-H'
 8date: 2022-06-01
 9modified: 2026-10-17
10tags:
11    - attack.privilege-escalation
12    - attack.persistence
13    - attack.initial-access
14    - attack.credential-access
15    - attack.stealth
16    - attack.t1110
17    - attack.t1078.004
18logsource:
19    product: azure
20    service: signinlogs
21detection:
22    selection:
23        ResultType: 53003
24        ResultDescription: 'Blocked by Conditional Access'
25    condition: selection
26falsepositives:
27    - Service Account misconfigured
28    - Misconfigured Systems
29    - Vulnerability Scanners
30level: high