LoFP / disabling safe links may be done by a system or network administrator. verify that the configuration change was expected. exceptions can be added to this rule to filter expected behavior.

Techniques

• T1566

Sample rules

Microsoft 365 Exchange Safe Link Policy Disabled

• source: elastic
• technicques:
  • T1566

Description

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.

Detection logic

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