Prevention, Detection, and Recovery from Cyberattacks - Part II
Direct answer: A reliable incident response program should be tested regularly across six phases: preparation, identification, containment, eradication, recovery, and lessons learned.
Industry surveys continue to show that many organizations still run ad-hoc or inconsistently reviewed response plans, which increases breach impact when incidents occur.
This article provides a fast review checklist and standards mapping to help teams validate response readiness.
How do you check if an incident response plan is comprehensive?
A comprehensive plan should cover all six core incident response stages:
| 1. Preparation | 4. Eradication |
| 2. Identification | 5. Recovery |
| 3. Containment | 6. Lessons Learned |
Audit and review teams can use the following validation questions:
- Team readiness: Are teams trained and are tabletop or war-game simulations performed regularly?
- Identification: Can the team quickly classify incidents and evaluate impact and risk?
- Containment: Are there defined steps to limit spread, reduce damage, and restore operations?
- Eradication: Is there internal or partner capability to identify and remove root cause?
- Recovery and learning: Is there a post-incident process to improve controls and playbooks?
- Communication: Are escalation and stakeholder communication paths clearly defined?
Which standards can you use to benchmark incident response controls?
Standards benchmarking helps validate control adequacy and align response processes with risk appetite and audit expectations.
| Standards | Incident Management Control Reference |
|---|---|
| NIST Cybersecurity Framework | PR.IP-9, PR.IP-10, DE.AE-4, DE.AE-5, DE.DP-4, RS.RP-1, RS.CO-1 to RS.CO-5, RS.AN-1 to RS.AN-4, RS.MI-1 to RS.MI-3, RS.IM-1, RS.IM-2, RC.RP-1, RC.IM-1, RC.IM-2, RC.CO-1 to RC.CO-3 |
| FIPS Publications | All current FIPS publications, especially FIPS 140-2 |
| NIST 800-53 (Rev. 4) | IR-1 to IR-8 |
| NIST 800 Series | NIST SP 800-61, NIST SP 800-86 |
| HIPAA / HITECH | HIPAA 164.308(a)(6) |
| NERC CIP (v5) | CIP-008-5 |
| ISO 27001:2013 | A.16.1.1, A.16.1.2, A.16.1.3, A.16.1.4, A.16.1.5, A.16.1.6 |
| COBIT 5 | DSS02 |
| CIS Critical Controls (v6.1) | CIS Control 19 |
| PCI DSS | 12.10.2, 12.10.3, 12.10.4, 12.10.5, 12.10.6 |
FAQ: How often should incident response plans be reviewed?
Review plans at least quarterly, and always after major architecture, vendor, or threat changes. Test through tabletop exercises and post-incident retrospectives.
FAQ: What is the minimum incident response readiness metric set?
Track mean time to detect, mean time to contain, mean time to recover, exercise frequency, escalation adherence, and percentage of corrective actions closed on time.
FAQ: Why do audits fail even when an incident response plan exists?
Audits usually fail due to weak evidence of execution: outdated playbooks, missing test records, unclear ownership, and inconsistent communication or post-incident improvement cycles.
Key Takeaways
- Incident response should be managed as an ongoing operational program, not a one-time document.
- Coverage across all six response phases is essential for resilience.
- Control mapping to standards improves auditability and governance alignment.
- Frequent testing and measurable KPIs are critical for practical readiness.
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