Mimecast Data Leak Prevention - Hold

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Id	3e12b7b1-75e5-497c-ba01-b6cb30b60d7f
Rulename	Mimecast Data Leak Prevention - Hold
Description	Detects threat for data leak when action is hold
Severity	Informational
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_Hold.yaml
Version	1.0.0
Arm template	3e12b7b1-75e5-497c-ba01-b6cb30b60d7f.json

KQL

MimecastDLP_CL| where action_s == "hold";

YAML

id: 3e12b7b1-75e5-497c-ba01-b6cb30b60d7f
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: 1d
    enabled: true
    matchingMethod: AllEntities
    reopenClosedIncident: false
entityMappings:
- fieldMappings:
  - columnName: senderAddress_s
    identifier: Sender
  - columnName: recipientAddress_s
    identifier: Recipient
  - columnName: action_s
    identifier: DeliveryAction
  entityType: MailMessage
description: Detects threat for data leak when action is hold
eventGroupingSettings:
  aggregationKind: SingleAlert
version: 1.0.0
query: MimecastDLP_CL| where action_s == "hold";
relevantTechniques:
- T1030
queryPeriod: 15m
enabled: true
queryFrequency: 5m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/MimecastSEG/Analytic Rules/MimecastDLP_Hold.yaml
kind: Scheduled
suppressionDuration: 5h
severity: Informational
suppressionEnabled: false
triggerThreshold: 0
requiredDataConnectors:
- connectorId: MimecastSIEMAPI
  dataTypes:
  - MimecastDLP_CL
tactics:
- Exfiltration
name: Mimecast Data Leak Prevention - Hold
triggerOperator: gt

ARM