Microsoft 365 Exchange Safe Link Policy Disabled

edit

Microsoft 365 Exchange Safe Link Policy Disabled

edit

Identifies when a Safe Link policy is disabled in Microsoft 365. Safe Link policies for Office applications extend phishing protection to documents that contain hyperlinks, even after they have been delivered to a user.

Rule type: query

Rule indices:

  • filebeat-*
  • logs-o365*

Severity: medium

Risk score: 47

Runs every: 5m

Searches indices from: now-30m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Cloud
  • Microsoft 365
  • Continuous Monitoring
  • SecOps
  • Identity and Access

Version: 5

Rule authors:

  • Elastic

Rule license: Elastic License v2

Investigation guide

edit
## Config

The Office 365 Logs Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

Rule query

edit
event.dataset:o365.audit and event.provider:Exchange and event.category:web and event.action:"Disable-SafeLinksRule" and event.outcome:success

Framework: MITRE ATT&CKTM