Incident Response Playbook

A structured approach to handling security incidents.

Phase 1: Preparation

• Establish IR team and roles
• Set up communication channels
• Prepare tools and systems

Phase 2: Detection & Analysis

• Monitor alerts and logs
• Validate incidents
• Determine scope and severity

Phase 3: Containment

• Isolate affected systems
• Preserve evidence
• Prevent lateral movement

Phase 4: Eradication

• Remove malware and backdoors
• Patch vulnerabilities
• Reset compromised credentials

Phase 5: Recovery

• Restore systems from clean backups
• Monitor for reinfection
• Gradually return to normal operations

Phase 6: Lessons Learned

• Document timeline and actions
• Update security controls
• Conduct post-mortem meeting