Elastic medium stable kql

Deprecated - M365 Exchange DLP Policy Deleted

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.

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Detection Logic

data_stream.dataset:o365.audit and event.provider:Exchange and event.category:web and event.action:"Remove-DlpPolicy" and event.outcome:success

False Positives

  • ⚠ 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.

Field Validations

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