A. Preserve forensic images of affected systems before restoration ( A will be followed by D, stop the bleed 'D' is the first option in emergency cases , x-ray and bandage are next step). B. Restore the service from the most recent clean backup ( restoration will come last after all three other options D → A → C → B). C. Notify the cyber insurer to avoid violating policy conditions ( it will come after A) D. Isolate remaining unaffected segments to prevent spread (During active ransomware containment phase, isolation is first immediate step to contain the incident spread to other systems). 🩸 Stop the bleeding → 🔬 Preserve evidence → 📞 Notify stakeholders → 🩹 Restore