Microsoft 365
TMA-M365-8.5.1
Ensure anonymous users can't join a meeting
説明
Anonymous users are users whose identity can't be verified. They may be logged in to an organization without a mutual trust relationship or they may not have an account (guest or user). Anonymous participants appear with "(Unverified)" appended to their name in meetings. These users could include: - Users who aren't logged in to Teams with a work or school account. - Users from non-trusted organizations (as configured in external access) and from organizations that you trust but which don't trust your organization. When defining trusted organizations for external meetings and chat, ensure both organizations allow each other's domains. Meeting organizers and participants should have user policies that allow external access. These settings prevent attendees from being considered anonymous due to external access settings. For details, see IT Admins - Manage external meetings and chat wit...
チェック方法
監査方法: 手動レビュー
To audit using the UI: 1. Navigate to Microsoft Teams admin center https://admin.teams.microsoft.com. 2. Click Settings & policies and select the Global (Org-wide default) settings tab. 3. Select Meetings to open the meeting settings section. 4. Under meeting join & lobby verify that Anonymous users can join a meeting unverified is set to Off. To audit using PowerShell: 1. Connect to Teams PowerShell using Connect-MicrosoftTeams. 2. Run the following command to verify the recommended state: Get-CsTeamsMeetingPolicy -Identity Global | fl AllowAnonymousUsersToJoinMeeting 3. Verify that the returned value is False.
修正方法
修正方法: ガイダンスまたは IaC パッチ
To remediate using the UI: 1. Navigate to Microsoft Teams admin center https://admin.teams.microsoft.com. 2. Click Settings & policies and select the Global (Org-wide default) settings tab. 3. Select Meetings to open the meeting settings section. 4. Under meeting join & lobby set Anonymous users can join a meeting unverified to Off. To remediate using PowerShell: 1. Connect to Teams PowerShell using Connect-MicrosoftTeams 2. Run the following command to set the recommended state: Set-CsTeamsMeetingPolicy -Identity Global -AllowAnonymousUsersToJoinMeeting $false
プロパティ
- オペレーティングシステム
- すべて
- タグ
- m365saas
- 参照
- CIS Microsoft 365 Foundations Benchmark v7.0.0 - 8.5.1 Ensure anonymous users can't join a meeting