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- cx-ti
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search.appverid: met150
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ms.date: 10/30/2024
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ms.date: 01/14/2025
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---
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# Auditing
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As a tenant administrator, you can use Microsoft Purview to search the audit logs for the times Microsoft Defender Experts signed into your tenant and the actions they did there to perform their investigations. You can also search the audit logs for the changes done by your tenant administrators to the Defender Experts settings.
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[Audit (Standard)](/microsoft-365/compliance/audit-solutions-overview)is turned on by default for all Microsoft Defender Experts for XDR customers when paid licenses are assigned to the tenant. If you have a trial license, work with your service delivery manager to turn on Audit if it isn't yet.
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Auditing is automatically turned on in the Microsoft Defender portal. Features that are audited are logged in the audit log automatically. Auditing can also collect audit logs from GCC environments.
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> [!NOTE]
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> Make sure you have the right [permissions](/microsoft-365/compliance/audit-log-search#before-you-search-the-audit-log) to search for audit logs.
The audit log can help you investigate specific activities across Microsoft 365 services. In the Microsoft Defender portal, Microsoft Defender XDR and Microsoft Defender for Endpoint activities are audited. Some of the activities audited are:
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- Changes to data retention settings
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> [!NOTE]
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> Global administrators in Office 365 and Microsoft 365 are automatically added as members of the Organization Management role group in Exchange Online.
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## Turn on auditing in Microsoft Defender XDR
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Microsoft Defender XDR uses the [Microsoft Purview auditing solution](/purview/audit-solutions-overview), before you can look at the audit data in the Microsoft Defender XDR portal:
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## Turn on auditing
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- You should confirm that auditing is turned on in the Microsoft Purview compliance portal. For more information, see [Turn auditing on or off](/purview/audit-log-enable-disable).
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Auditing is automatically turned on for Microsoft Defender XDR. Features that are audited are logged in the audit log automatically. Auditing can also collect audit logs from GCC environments.
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- Follow the steps below to enable the unified audit log in the Microsoft Defender XDR portal:
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1. Log in to [Microsoft Defender XDR](https://security.microsoft.com/homepage) using an account with the Security administrator or Global administrator role assigned.
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2. In the navigation pane, select **Settings**\>**Endpoints**\>**Advanced features**.
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3. Scroll own to **Unified audit log** and toggle the setting to **On**.
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:::image type="content" source="/defender/media/defender/unified-audit-log.png" alt-text="Screenshot of the unified audit log toggle in Microsoft Defender XDR advanced settings" lightbox="/defender/media/defender/unified-audit-log.png":::
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4. Select **Save preferences**.
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Microsoft Defender XDR uses the [Microsoft Purview auditing solution](/purview/audit-solutions-overview). Before you can look at the audit data in the Microsoft Defender portal, you need to turn on auditing in the Microsoft Purview compliance portal. For more information, see [Turn auditing on or off](/purview/audit-log-enable-disable).
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> [!IMPORTANT]
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> Global Administrator is a highly privileged role that should be limited to scenarios when you can't use an existing role. Microsoft recommends that you use roles with the fewest permissions. Using lower permissioned accounts helps improve security for your organization.
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## Using the audit search in Microsoft Defender XDR
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1. To retrieve audit logs for Microsoft Defender XDR activities, navigate to the [Microsoft Defender XDR Audit page](https://security.microsoft.com/auditlogsearch) or go to the [Purview compliance portal](https://compliance.microsoft.com) and select **Audit**.
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Follow these steps to search the audit log:
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1. To get audit logs for Microsoft Defender XDR activities, navigate to the [Microsoft Defender XDR Audit page](https://security.microsoft.com/auditlogsearch) or go to the [Purview compliance portal](https://compliance.microsoft.com) and select **Audit**.
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:::image type="content" source="/defender/media/defender/unified-audit-log-xdr.png" alt-text="Screenshot of the unified audit log page in Microsoft Defender XDR " lightbox="/defender/media/defender/unified-audit-log-xdr.png":::
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