Identifies when a Data Loss Prevention (DLP) policy is removed in Microsoft 365. An adversary may remove a DLP policy to evade existing DLP monitoring.
Rule type: query
Risk score: 47
Runs every: 5 minutes
Maximum alerts per execution: 100
- Microsoft 365
- Continuous Monitoring
- Configuration Audit
Version: 2 (version history)
Added (Elastic Stack release): 7.11.0
Last modified (Elastic Stack release): 7.11.2
Rule authors: Elastic
Rule license: Elastic License
A DLP policy may be removed by a system or network administrator. Verify that the configuration change was expected. Exceptions can be added to this rule to filter expected behavior.
The Microsoft 365 Fleet integration or Filebeat module must be enabled to use this rule.
event.dataset:o365.audit and event.provider:Exchange and event.category:web and event.action:"Remove-DlpPolicy" and event.outcome:success
Framework: MITRE ATT&CKTM
- Version 2 (7.11.2 release)
- Formatting only