SharePoint Online External Sharing Policy Relaxed to Anyone

Ankit Mehta@Secvyn

•updated Jun 26, 2026•5•0•6

Detects changes to SharePoint tenant-level or site-level sharing policies that expand external access to 'Anyone' (anonymous links) or 'ExternalUserAndGuestSharing'. Such modifications represent a significant security posture regression that may facilitate unauthorized data access or facilitate exfiltration pathways.