DFIR Playbooks: Incident Response in the Age of Ransomware

The Speed Imperative in Ransomware Response When double-extortion ransomware strikes, time is the sole determinant of survival. Modern threat actors exfiltrate sensitive IP before executing destructive encryption payloads.

4-Stage Emergency DFIR Protocol 1. **Immediate Volatile Memory Extraction**: Capturing live RAM to recover encryption keys and memory-resident injection vectors. 2. **Micro-Segmentation & AD Lock**: Severing lateral C2 channels and containing Domain Controller compromise. 3. **Forensic Timeline Reconstruction**: Mapping the full adversary attack path against the MITRE ATT&CK framework. 4. **Clean Restoration & Remediation**: Rebuilding production infrastructure from verified, immutable snapshots.