Change log for MICROSOFT_DEFENDER_ENDPOINT

Date Changes
2026-06-03 - additional.fields: Newly mapped properties.EmailDirection raw log field with additional.fields UDM field as a part of fallback logic for AdvancedHunting-EmailEvents category
- network.email.to: Newly mapped properties.DistributionList raw log field with network.email.to UDM field for AdvancedHunting-EmailEvents category
- additional.fields: Newly mapped properties.DistributionList raw log field with additional.fields UDM field if properties.DistributionList is not mapped to network.email.to due to any invalid email format (eg: exceeds 255 characters) for AdvancedHunting-EmailEvents category.
- additional.fields: Newly mapped properties.IsClickedThrough raw log field with additional.fields UDM field for AdvancedHunting-UrlClickEvents category
- principal.resource.attribute.labels: Newly mapped properties.Workload and `properties.AppVersion raw log field with principal.resource.attribute.labels UDM field for AdvancedHunting-UrlClickEvents` category
- principal.application: Newly mapped properties.AppName raw log field with principal.application UDM field for AdvancedHunting-UrlClickEvents category
- security_result.category: Newly mapped properties.ThreatTypes raw log field with values like Malware and Spam with security_result.category UDM field to add support for AdvancedHunting-EmailAttachmentInfo, AdvancedHunting-EmailEvents and AdvancedHunting-EmailPostDeliveryEvents.
2026-04-23 - Updated the field mapping for the MICROSOFT_DEFENDER_ENDPOINT parser.
- Please refer to the parser documentation page for information regarding the updated UDM mappings - https://docs.cloud.google.com/chronicle/docs/ingestion/default-parsers/microsoft-defender-endpoint#udm-mapping-delta
2025-12-05 - Enhanced the parser logic to handle the edge cases of properties.SenderFromAddress and properties.RecipientEmailAddress raw log fields for events AdvancedHunting-EmailAttachmentInfo and AdvancedHunting-EmailEvents. When the properties.SenderFromAddress and properties.RecipientEmailAddress raw log fields exceeds 255 characters, it will now be mapped to additional.fields UDM field.
2025-11-26 - Enhanced the parser logic to handle the edge cases of properties.OSDistribution raw field.
2025-10-31 - Enhanced the parser logic to handle the edge cases of properties.IsAccountEnabled raw field.
2025-08-07 Updated following field mappings in DeviceLogonEvents Events:
- target.ip: Removed mapping of properties.RemoteIP from target.ip UDM field.
- principal.ip: Mapped properties.RemoteIP raw log field with principal.ip UDM field.
- target.hostname: Removed mapping of properties.RemoteDeviceName from target.hostname UDM field.
- principal.hostname: Mapped properties.RemoteDeviceName raw log field with principal.hostname UDM field.
- target.port: Removed mapping of properties.RemotePort from target.port UDM field.
- principal.port: Mapped properties.RemotePort raw log field with principal.port UDM field.
- principal.hostname: Removed mapping of properties.DeviceName from principal.hostname UDM field.
- target.hostname: Mapped properties.DeviceName raw log field with target.hostname UDM field.
- principal.asset_id: Removed mapping of properties.DeviceId from principal.asset_id` UDM field.
- target.asset_id: Mapped properties.DeviceId raw log field with target.asset_id UDM field.
2025-08-06
2025-05-30 Added new grok pattern to map the following fields:
- principal.ip: Newly mapped properties.LocalIP raw log field with principal.ip UDM field.
- target.ip: Newly mapped properties.RemoteIP raw log field with target.ip UDM field.
2025-05-22 Enhancement:
- event.idm.read_only_udm.principal.user.email_addresses: Newly mapped ForwardTo raw log field with event.idm.read_only_udm.principal.user.email_addresses UDM field
- USER_UNCATEGORIZED: Added support for the event USER_UNCATEGORIZED and relevant corresponding raw log fields.
2025-05-13 - target.process.product_specific_process_id: Removed mapping of properties.ProcessUniqueId from target.process.product_specific_process_id UDM field.
- principal.process.product_specific_process_id: Removed mapping of properties.InitiatingProcessUniqueId from target.process.product_specific_process_id UDM field.
2025-03-27 - Promoted the parser to default.
- This version includes many changes to improve the parser mappings (parser overhaul) - contact your Google representative to get a detailed list with all changes
- This version will have an extended RC period - we encourage you to opt-in and make the required adjustments before it'll be automatically promoted to Default