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ATPDocs/sensor-settings.md

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@@ -58,6 +58,8 @@ The sensors page provides the following information about each sensor:
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* **Standalone sensor**
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* **Entra Connect sensor**. If your sensor is installed on a domain controller server with Entra Connect configured, such as in a testing environment, the sensor type is shown as **Domain controller sensor** instead.
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* **ADCS sensor** (Active Directory Certificate Services). If your sensor is installed on a domain controller server with AD CS configured, such as in a testing environment, the sensor type is shown as **Domain controller sensor** instead.
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* **Domain**: Displays the fully qualified domain name of the Active Directory domain where the sensor is installed.
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1. Sensors selected for **Delayed update** start their update process 72 hours after the Defender for Identity cloud service is updated. These sensors will then use the same update process as automatically updated sensors.
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For any sensor that fails to complete the update process, a relevant [health alert](health-alerts.md#sensor-outdated) is triggered, and is sent as a notification.
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For any sensor that fails to complete the update process, a relevant [health alert](health-alerts.md#sensor-outdated) is triggered, and is sent as a notification.
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![Sensor update failure.](media/sensor-outdated.png)
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![Sensor update failure.](media/sensor-outdated.png)
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### Silently update the Defender for Identity sensor
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CloudAppSecurityDocs/anomaly-detection-policy.md

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### Activity from anonymous IP addresses
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert accuracy, this policy has been disabled and renamed to **Activity from a TOR IP address**.
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model and renamed to **Activity from a TOR IP address** and **Anonymous proxy activity**.
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> If you previously configured governance actions or email notifications for this policy, you can re-enable it at any time in the Microsoft Defender portal > Cloud Apps > Policy management page.
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This detection identifies that users were active from an IP address that has been identified as an anonymous proxy IP address. These proxies are used by people who want to hide their device's IP address, and may be used for malicious intent. This detection uses a machine-learning algorithm that reduces "false positives", such as mis-tagged IP addresses that are widely used by users in the organization.
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### Activity from suspicious IP addresses
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert accuracy, this policy has been disabled and renamed to **Successful logon from a suspicious IP address**.
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model and renamed to **Successful logon from a suspicious IP address**.
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>
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> If you previously configured governance actions or email notifications for this policy, you can re-enable it at any time in the Microsoft Defender portal > Cloud Apps > Policy management page.
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### Suspicious inbox forwarding
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert accuracy, this policy has been disabled and renamed to **Suspicious email forwarding rule created by third-party app**.
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model and renamed to **Suspicious email forwarding rule created by third-party app**.
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>
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> If you previously configured governance actions or email notifications for this policy, you can re-enable it at any time in the Microsoft Defender portal > Cloud Apps > Policy management page.
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### Suspicious inbox manipulation rules
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert accuracy, this policy has been disabled.
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model.
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> If you previously configured governance actions or email notifications for this policy, you can re-enable it at any time in the Microsoft Defender portal > Cloud Apps > Policy management page.
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This detection profiles your environment and triggers alerts when suspicious rules that delete or move messages or folders are set on a user's inbox. This may indicate that the user's account is compromised, that messages are being intentionally hidden, and that the mailbox is being used to distribute spam or malware in your organization.
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### Suspicious email deletion activity (Preview)
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert accuracy, this policy has been disabled and renamed to **Suspicious email deletion activity**.
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model and renamed to **Suspicious email deletion activity**.
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>
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> If you previously configured governance actions or email notifications for this policy, you can re-enable it at any time in the Microsoft Defender portal > Cloud Apps > Policy management page.
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CloudAppSecurityDocs/investigate-anomaly-alerts.md

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Microsoft Defender for Cloud Apps provides security detections and alerts for malicious activities. The purpose of this guide is to provide you with general and practical information on each alert, to help with your investigation and remediation tasks. Included in this guide is general information about the conditions for triggering alerts. However, it's important to note that since anomaly detections are nondeterministic by nature, they're only triggered when there's behavior that deviates from the norm. Finally, some alerts might be in preview, so regularly review the official documentation for updated alert status.
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> [!IMPORTANT]
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> Starting June 2025, Microsoft Defender for Cloud Apps began transitioning anomaly detection policies to a dynamic threat detection model. This model automatically adapts detection logic to the evolving threat landscape, keeping detections current without manual configuration or policy updates. As part of these improvements to overall security, and to provide more accurate and timely alerts, several legacy policies have been disabled:
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>
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> - Activity from suspicious IP addresses
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> - Suspicious inbox manipulation rules
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> - Suspicious email deletion activity
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> - Activity from anonymous IP addresses
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> - Suspicious inbox forwarding
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>
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> You will continue to receive the same standard of protection without disruption to your existing security coverage. No action is required from your side.
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## MITRE ATT\&CK
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To explain and make it easier to map the relationship between Defender for Cloud Apps alerts and the familiar MITRE ATT\&CK Matrix, we've categorized the alerts by their corresponding MITRE ATT\&CK tactic. This extra reference makes it easier to understand the suspected attacks technique potentially in use when a Defender for Cloud Apps alert is triggered.
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### Activity from anonymous IP address
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model and renamed to **Activity from a TOR IP address** and **Anonymous proxy activity**.
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**Description**
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Activity from an IP address that has been identified as an anonymous proxy IP address by Microsoft Threat Intelligence or by your organization. These proxies can be used to hide a device's IP address and might be used for malicious activities.
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### Activity from suspicious IP addresses
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model and renamed to **Successful logon from a suspicious IP address**.
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Activity from an IP address that has been identified as risky by Microsoft Threat Intelligence or by your organization. These IP addresses were identified as being involved in malicious activities, such as performing password spray, botnet command and control (C&C), and might indicate a compromised account.
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**TP**, **B-TP**, or **FP**?
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### Suspicious email deletion activity (by user)
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model and renamed to **Suspicious email deletion activity**.
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Activities in a single session indicating that, a user performed suspicious email deletions. The deletion type was the "hard delete" type, which makes the email item deleted and not available in the user's mailbox. The deletion was made from a connection that includes uncommon preferences such as ISP, country/region, and user agent. This can indicate an attempted breach of your organization, such as attackers attempting to mask operations by deleting emails related to spam activities.
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> [!NOTE]
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> As part of ongoing improvements to Defender for Cloud Apps alert threat protection capabilities, this policy has been disabled, migrated to the new dynamic model.
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> If you previously configured governance actions or email notifications for this policy, you can re-enable it at any time in the Microsoft Defender portal > Cloud Apps > Policy management page.
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Activities indicating that an attacker gained access to a user's inbox and created a suspicious rule. Manipulation rules, such as deleting or moving messages, or folders, from a user's inbox might be an attempt to exfiltrate information from your organization. Similarly, they can indicate an attempt to manipulate information that a user sees or to use their inbox to distribute spam, phishing emails, or malware. Defender for Cloud Apps profiles your environment and triggers alerts when suspicious inbox manipulation rules are detected on a user's inbox. This might indicate that the user's account is compromised.
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Activities indicating that an attacker gained access to a user's inbox and created a suspicious rule. Manipulation rules, such as forward all or specific emails to another email account might be an attempt to exfiltrate information from your organization. Defender for Cloud Apps profiles your environment and triggers alerts when suspicious inbox manipulation rules are detected on a user's inbox. This might indicate that the user's account is compromised.
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**TP**, **B-TP**, or **FP**?

CloudAppSecurityDocs/mde-integration.md

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1. Under **Alerts**, select the global severity level for alerts.
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![Screenshot of the Defender for Endpoint alert settings.](media/mde-alert-severity-settings.png)
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:::image type="content" source="media/mde-alert-severity-settings.png" alt-text="Screenshot that shows the Defender for Endpoint alert settings." lightbox="media/mde-alert-severity-settings.png":::
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## Next steps
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CloudAppSecurityDocs/release-notes.md

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> Learn more: [Network requirements](https://aka.ms/MDANetworkDocs).
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### New Dynamic Threat Detection model
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Microsoft Defender for Cloud Apps new dynamic threat detection model continuously adapts to the ever-changing SaaS apps threat landscape. This approach ensures your organization remains protected with up-to-date detection logic without the need for manual policy updates or reconfiguration. Several legacy anomaly detection policies have already been seamlessly transitioned to this adaptive model, delivering smarter and more responsive security coverage.
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## May 2025
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### Revamped Cloud Discovery Executive Summary report
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The Cloud Discovery Executive Summary report has been updated with a modernized design and streamlined format. The new version reduces the report from 26 pages to 6 pages, focusing on the most relevant and actionable insights while improving readability and usability. For more details, see [How to generate a Cloud Discovery executive report](discovered-apps.md#generate-a-cloud-discovery-executive-report).
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### New Applications inventory page now available in Defender XDR
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The new Applications page in Microsoft Defender XDR provides a unified inventory of all SaaS and connected OAuth applications across your environment. This view helps streamline application discovery, monitoring, and risk assessment.

defender-endpoint/linux-support-offline-security-intelligence-update.md

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- To start and configure the update process, you can update the managed configuration json file on your Linux devices.
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:::image type="content" source="./media/offline-update-diag-1.png" alt-text="Process flow diagram on the Mirror Server for downloading the security intelligence updates" lightbox="./media/offline-update-diag-2.png":::
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:::image type="content" source="./media/offline-update-diag-1.png" alt-text="Process flow diagram on the Mirror Server for downloading the security intelligence updates" lightbox="./media/offline-update-diag-1.png":::
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- [Configure security settings and policies for Microsoft Defender for Endpoint on Linux](linux-preferences.md)

defender-endpoint/microsoft-defender-antivirus-updates.md

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ms.date: 06/23/2025
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After a new package version is released, support for the previous two versions is reduced to technical support only. To view a list of previous versions, see [Previous DISM updates](msda-updates-previous-versions-technical-upgrade-support.md#previous-dism-updates-no-longer-supported).
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- Defender version: `1.431.97.0`
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- Security intelligence version: `1.431.97.0`
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- Platform version: `4.18.25050.5`
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- Engine version: `1.25050.6`
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#### Fixes
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