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

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

ARM