What is Incident Response
Security incident handling process
Incident Response is an organized approach to managing and mitigating the consequences of information security incidents. It includes detection, analysis, containment, and recovery from attacks.
Response Phases
- Preparation — developing plans and procedures
- Detection — identifying the incident
- Containment — limiting the spread
- Eradication — removing the threat
- Recovery — returning to normal operations
- Lessons Learned — extracting insights
Response Team (CSIRT)
- Incident Manager
- Security Analysts
- Forensic Specialists
- Communications Team
Tools
- SIEM — event correlation
- EDR — endpoint monitoring
- Forensic tools — evidence analysis
- Playbooks — response scenarios
Effectiveness Metrics
- MTTD — Mean Time to Detect
- MTTR — Mean Time to Recover
- Number of recurring incidents
Business Value
Effective incident response minimizes damage from cyberattacks and reduces downtime.