Which activity is a core component of the Improve function in security operations?

The Improve function focuses on learning from operations and incidents to strengthen future performance. Updating incident response plans based on lessons learned is a direct example. After an incident, the SOC and response teams should review what happened, what worked, what failed, what was delayed, and which controls or procedures need revision. That feedback can improve playbooks, escalation paths, logging requirements, alert logic, containment steps, and communication plans. Deploying new tools may support improvement, but tool deployment alone is not the core Improve activity. Routine hardware upgrades are IT maintenance tasks. User awareness training is valuable prevention, but the specific Improve function in security operations is more closely tied to operational feedback and process refinement. A mature SOC treats incidents as learning opportunities. The goal is not only to close the current case, but to reduce the chance, duration, or impact of similar incidents in the future. Reference/topics: Security Operations 6.1, Improve function; Security Operations 6.3, incident response plan.