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Update MailItemsAccessedTimeSeries.yaml #11755

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Feb 3, 2025
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Update MailItemsAccessedTimeSeries.yaml #11755

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6 changes: 3 additions & 3 deletions Solutions/Microsoft 365/Analytic Rules/MailItemsAccessedTimeSeries.yaml
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Expand Up @@ -5,7 +5,7 @@ description: |
The query leverages KQL built-in anomaly detection algorithms to find large deviations from baseline patterns.
Sudden increases in execution frequency of sensitive actions should be further investigated for malicious activity.
Manually change scorethreshold from 1.5 to 3 or higher to reduce the noise based on outliers flagged from the query criteria.
Read more about MailItemsAccessed- https://docs.microsoft.com/microsoft-365/compliance/advanced-audit?view=o365-worldwide#mailitemsaccessed'
Read more about MailItemsAccessed- https://learn.microsoft.com/en-us/purview/audit-log-investigate-accounts'
severity: Medium
status: Available
requiredDataConnectors:
Expand Down Expand Up @@ -76,5 +76,5 @@ entityMappings:
fieldMappings:
- identifier: Address
columnName: SourceIPMax
version: 2.0.5
kind: Scheduled
version: 2.0.6
kind: Scheduled
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