Security Incident Response Runbook¶
Overview¶
This runbook provides procedures for responding to security incidents.
Incident Classification¶
Critical (P1)¶
- Data breach
- Unauthorized access
- System compromise
- Malware detection
High (P2)¶
- Suspicious activity
- Failed authentication attempts
- Unusual network traffic
- Policy violations
Medium (P3)¶
- Security warnings
- Configuration issues
- Access anomalies
- Audit findings
Response Procedures¶
Immediate Response¶
- Containment
- Isolate affected systems
- Preserve evidence
-
Document timeline
-
Assessment
- Determine scope of impact
- Identify affected data
-
Assess system integrity
-
Communication
- Notify stakeholders
- Update status page
- Escalate as needed
Investigation¶
- Evidence Collection
- System logs
- Network traffic
- User activity
-
Configuration snapshots
-
Analysis
- Root cause analysis
- Impact assessment
-
Timeline reconstruction
-
Documentation
- Incident report
- Lessons learned
- Recommendations
Recovery¶
- System Restoration
- Clean compromised systems
- Restore from clean backups
-
Verify integrity
-
Security Hardening
- Update security controls
- Patch vulnerabilities
-
Review access controls
-
Monitoring
- Enhanced monitoring
- Additional logging
- Regular reviews
Escalation Matrix¶
- Level 1: Security Team
- Level 2: Engineering Management
- Level 3: Executive Team
- Level 4: Legal/Compliance