Incident Response Checklist 🚨 Immediate Actions (0-24 hours) Isolate affected SharePoint servers from the network Apply emergency patches for CVE-2025-53770 on all SharePoint instances Disable external access to SharePoint until containment is verified Alert all users to avoid opening suspicious emails or attachments Initiate a company-wide password reset focusing on privileged accounts 🔄 Recovery Actions Restore affected SharePoint servers from clean backups Conduct a full system scan using updated antivirus definitions Reinforce network segmentation to limit lateral movement Validate the integrity of all restored systems and applications
