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defender-endpoint/defender-endpoint-false-positives-negatives.md

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@@ -45,19 +45,23 @@ The next step is to review the "detection source":
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|Detection source| Information|
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| -------- | -------- |
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|EDR|The alert is related to Microsoft Defender for Endpoint – Endpoint Detection and Response <br/>Solution: Submit the False Positive to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives) <br/> Work-around: Tune the alerts|
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|Antivirus|The alert relates to Microsoft Defender Antivirus in Active mode (Primary) where it will block. If Microsoft Defender Antivirus is in Passive mode, EDR in block mode might just detect.<br/>Solution: Submit the False Positive to [https://aka.ms/wdsi](https://aka.ms/wdsi) <br/>Work-around: Add [Indicators - File hash - allow ](/defender-endpoint/defender-endpoint-false-positives-negatives)or an [AV exclusion](/defender-endpoint/defender-endpoint-false-positives-negatives)|
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| Custom TI| Custom indicators (Indicators - [file hash](/defender-endpoint/indicator-file) or [ip address or URL](/defender-endpoint/indicator-ip-domain) or [certificates](/defender-endpoint/indicator-certificates)) <br/> • Solution: How to[ manage indicators](/defender-endpoint/indicator-manage). <br/><br/> Or if you see CustomEnterpriseBlock, it could be <br/> <br/> 1) Automated Investigation and Response (AutoIR) – <br/> • Solution: Submit the False Positive to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives) <br/> • Work-around: [Automation folder exclusions ](/defender-endpoint/manage-automation-folder-exclusions)<br/> 2) Custom detection rules deriving from Advanced Hunting (AH) – <br/> • Solution: [Manage existing custom detection rules ](/defender-xdr/custom-detection-rules)<br/> 3) EDR in block mode – <br/> • Solution: Submit the False Positive(s) to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/> • Work-around: [Indicators – File hash – allow](/defender-endpoint/defender-endpoint-false-positives-negatives) or [AV exclusions](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/> 4) Live Response – <br/> • Solution: Submit the False Positive(s) to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/> • Work-around: [Indicators – File hash – allow](/defender-endpoint/defender-endpoint-false-positives-negatives) or [AV exclusions](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/> 5) PUA protection – <br/> • Solution: Submit the False Positive(s) to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/> • Work-around: [Indicators – File hash – allow](/defender-endpoint/defender-endpoint-false-positives-negatives) or [AV exclusions](/defender-endpoint/defender-endpoint-false-positives-negatives)|
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| Smartscreen|[ Smartscreen](https://feedback.smartscreen.microsoft.com/smartscreenfaq.aspx) [report unsafe site](https://www.microsoft.com/en-us/wdsi/support/report-unsafe-site) or it could be related to a [Network Protection detection](https://www.microsoft.com/wdsi/support/report-exploit-guard)|
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|EDR|The alert is related to Microsoft Defender for Endpoint – Endpoint Detection and Response <br/>- Solution: Submit the False Positive to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives) <br/>- Work-around: Tune the alerts|
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|Antivirus|The alert relates to Microsoft Defender Antivirus in Active mode (Primary) where it blocks. If Microsoft Defender Antivirus is in passive mode, EDR in block mode might just detect.<br/>- Solution: Submit the False Positive to [https://aka.ms/wdsi](https://aka.ms/wdsi) <br/>- Work-around: Add [Indicators - File hash - allow ](/defender-endpoint/defender-endpoint-false-positives-negatives)or an [Antivirus exclusion](/defender-endpoint/defender-endpoint-false-positives-negatives)|
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| Custom TI| Custom indicators (Indicators <br/>- [file hash](/defender-endpoint/indicator-file)<br/>- [ip address or URL](/defender-endpoint/indicator-ip-domain)<br/>- [certificates](/defender-endpoint/indicator-certificates)) <br/><br/>Solution: [Manage indicators](/defender-endpoint/indicator-manage). <br/><br/> Or, if you see `CustomEnterpriseBlock`, your detection source could be one of the following: <br/><br/>- Automated Investigation and Response (AutoIR)<br/>-- Solution: Submit the False Positive to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives) <br/>-- Work-around: [Automation folder exclusions ](/defender-endpoint/manage-automation-folder-exclusions)<br/><br/>- Custom detection rules deriving from Advanced Hunting (AH) <br/>-- Solution: [Manage existing custom detection rules ](/defender-xdr/custom-detection-rules)<br/><br/>- EDR in block mode <br/>-- Solution: Submit the False Positive(s) to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/>-- Work-around: [Indicators – File hash – allow](/defender-endpoint/defender-endpoint-false-positives-negatives) or [Antivirus exclusions](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/><br/>- Live Response<br/>-- Solution: Submit the False Positive(s) to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/>-- Work-around: [Indicators – File hash – allow](/defender-endpoint/defender-endpoint-false-positives-negatives) or [AV exclusions](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/><br/>- PUA protection<br/>-- Solution: Submit the False Positive(s) to [https://aka.ms/wdsi](/defender-endpoint/defender-endpoint-false-positives-negatives)<br/>-- Work-around: [Indicators – File hash – allow](/defender-endpoint/defender-endpoint-false-positives-negatives) or [AV exclusions](/defender-endpoint/defender-endpoint-false-positives-negatives)|
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| Smartscreen|[Smartscreen](https://feedback.smartscreen.microsoft.com/smartscreenfaq.aspx)<br/>- [Report unsafe site](https://www.microsoft.com/en-us/wdsi/support/report-unsafe-site); <br/>or<br/>- It could be related to [Network Protection detection](https://www.microsoft.com/wdsi/support/report-exploit-guard)|
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:::image type="content" source="media/false-positives-overview.png" alt-text="The definition of false positive and negatives in the Microsoft Defender portal" lightbox="media/false-positives-overview.png":::
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Fortunately, steps can be taken to address and reduce these kinds of issues. If you're seeing false positives/negatives occurring with Defender for Endpoint, your security operations can take steps to address them by using the following process:
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1. [Review and classify alerts](#part-1-review-and-classify-alerts)
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2. [Review remediation actions that were taken](#part-2-review-remediation-actions)
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3. [Review and define exclusions](#part-3-review-or-define-exclusions)
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4. [Submit an entity for analysis](#part-4-submit-a-file-for-analysis)
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5. [Review and adjust your threat protection settings](#part-5-review-and-adjust-your-threat-protection-settings)
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You can get help if you still have issues with false positives/negatives after performing the tasks described in this article. See [Still need help?](#still-need-help)

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