Mimecast Data Leak Prevention - Notifications

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Id	1818aeaa-4cc8-426b-ba54-539de896d299
Rulename	Mimecast Data Leak Prevention - Notifications
Description	Detects threat for data leak when action is notification
Severity	High
Tactics	Exfiltration
Techniques	T1030
Required data connectors	MimecastSIEMAPI
Kind	Scheduled
Query frequency	5m
Query period	15m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastSEG/Analytic Rules/MimecastDLP.yaml
Version	1.0.0
Arm template	1818aeaa-4cc8-426b-ba54-539de896d299.json

KQL

MimecastDLP_CL| where action_s == "notification";

YAML

relevantTechniques:
- T1030
entityMappings:
- entityType: MailMessage
  fieldMappings:
  - columnName: senderAddress_s
    identifier: Sender
  - columnName: recipientAddress_s
    identifier: Recipient
  - columnName: action_s
    identifier: DeliveryAction
suppressionEnabled: false
version: 1.0.0
enabled: true
id: 1818aeaa-4cc8-426b-ba54-539de896d299
suppressionDuration: 5h
severity: High
kind: Scheduled
queryFrequency: 5m
description: Detects threat for data leak when action is notification
requiredDataConnectors:
- connectorId: MimecastSIEMAPI
  dataTypes:
  - MimecastDLP_CL
eventGroupingSettings:
  aggregationKind: SingleAlert
triggerOperator: gt
name: Mimecast Data Leak Prevention - Notifications
tactics:
- Exfiltration
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastSEG/Analytic Rules/MimecastDLP.yaml
triggerThreshold: 0
queryPeriod: 15m
query: MimecastDLP_CL| where action_s == "notification";
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 1d
    enabled: true
    reopenClosedIncident: false
    matchingMethod: AllEntities
alertRuleTemplateName:

ARM