Identifies when a SharePoint or OneDrive site sharing policy is changed to weaken security controls. The SharingPolicyChanged event fires for many routine policy modifications, but this rule targets specific high-risk transitions where sharing restrictions are relaxed. This includes enabling guest sharing, enabling anonymous link sharing, making a site public, or enabling guest user access. Adversaries who compromise administrative accounts may weaken sharing policies to exfiltrate data to external accounts or create persistent external access paths.

0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.