A Security Operations Center (SOC) functions as the nerve center for an organization's cybersecurity posture, operating 24/7 to identify and remediate threats. SOC analysts use SIEM platforms, threat intelligence feeds, and automated tools to investigate alerts, contain incidents, and coordinate responses. Maturity levels range from reactive (alert response) to proactive (threat hunting). A multinational corporation's SOC detected unusual data exfiltration patterns at 2 AM, isolated the compromised server within 15 minutes, and prevented the theft of 2.3 million customer records through rapid incident response.