User Access Blocked by Azure Conditional Access
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.
Sigma rule (View on GitHub)
1title: User Access Blocked by Azure Conditional Access
2id: 9a60e676-26ac-44c3-814b-0c2a8b977adf
3status: test
4description: |
5 Detect access has been blocked by Conditional Access policies.
6 The access policy does not allow token issuance which might be sights≈ of unauthorizeed login to valid accounts.
7references:
8 - https://docs.microsoft.com/en-us/azure/active-directory/fundamentals/security-operations-privileged-accounts
9author: AlertIQ
10date: 2021/10/10
11modified: 2022/12/25
12tags:
13 - attack.credential_access
14 - attack.initial_access
15 - attack.t1110
16 - attack.t1078.004
17logsource:
18 product: azure
19 service: signinlogs
20detection:
21 selection:
22 ResultType: 53003
23 condition: selection
24falsepositives:
25 - Unknown
26level: medium
References
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