SIEM means Security Information and Event Management. It collects logs, alerts, and telemetry from many sources and correlates them to help defenders spot suspicious activity. SOAR means Security Orchestration, Automation, and Response. It uses playbooks to automate repetitive steps such as enrichment, ticketing, containment, and notification.
Together, SIEM/SOAR platforms help security teams turn raw alerts into coordinated action. In real environments, a sandbox, EDR tool, firewall, or email gateway may send a verdict or indicator into the SIEM, where it is correlated with other events. SOAR can then trigger response workflows, such as isolating a host, blocking a domain, or opening an incident case. This matters because attacks often generate too much signal for manual handling, and automation reduces response time while keeping analyst attention focused on the highest-risk events.