EIDSCA.AM04: Authentication Method - Microsoft Authenticator - Included users/groups of number matching for push notifications.
| ID | EIDSCA.AM04 |
| Severity | High |
| Suite | EIDSCA |
| Product | Entra ID |
| Feature | Authentication methods |
| Security area | Authentication |
| Resource type | Tenant |
| User impact of fixing | Low |
| Effort to fix | Low |
| Framework controls | nist-800-53-r5:IA-2(8) Identification and Authentication (Organizational Users) | Access to Accounts — Replay Resistantnist-800-53-r5:IA-2(1) Identification and Authentication (Organizational Users) | Multi-factor Authentication to Privileged Accounts |
| MITRE ATT&CK | T1621 |
| Reads from | Microsoft Graph |
What this checks and how to fix it
Section titled “What this checks and how to fix it”Object Id or scope of users which will be showing number matching in the Authenticator App.
Test script
Section titled “Test script”https://graph.microsoft.com/beta/policies/authenticationMethodsPolicy/authenticationMethodConfigurations('MicrosoftAuthenticator').featureSettings.numberMatchingRequiredState.includeTarget.id -eq 'all_users'Related links
Section titled “Related links”- Open in Graph Explorer
- microsoftAuthenticatorAuthenticationMethodConfiguration resource type - Microsoft Graph v1.0 | Microsoft Learn
Mito check, based on EIDSCA. Author: Cloud-Architekt. Open-source licences.
Open-source licences. CIS Benchmark material © Center for Internet Security, Inc.; CISA SCuBA baselines are public domain (CC0).
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