What is a SOC? The Role and Responsibilities of a SOC Analyst

Cybersecurity threats are growing in complexity, making Security Operations Centers (SOCs) essential for protecting organizations. This article explores what a SOC is and what SOC Analysts do.


๐Ÿ›ก๏ธ 1. What is a Security Operations Center (SOC)?

A Security Operations Center (SOC) is a centralized unit that monitors, detects, and responds to cybersecurity threats 24/7.

๐Ÿ” Key Objectives of a SOC

  • Detect and analyze cyber threats.
  • Investigate security incidents and take preventive actions.
  • Analyze log data to identify potential threats.
  • Use SIEM tools to automate threat detection.
  • Manage the Incident Response (IR) process.

SOC teams are commonly used by:

  • Large enterprises
  • Financial institutions
  • Government agencies
  • Tech companies

๐Ÿ‘จโ€๐Ÿ’ป 2. Who is a SOC Analyst? What Do They Do?

SOC Analysts are cybersecurity professionals who monitor systems and networks to detect suspicious activity. SOC teams are usually divided into three levels:

1๏ธโƒฃ Tier 1 โ€“ Junior SOC Analyst (Entry-Level)

  • Uses SIEM tools to detect threats.
  • Analyzes logs for suspicious activities.
  • Escalates issues to Tier 2 or Tier 3.

2๏ธโƒฃ Tier 2 โ€“ Incident Responder (Mid-Level)

  • Investigates and mitigates threats.
  • Manages the Incident Response lifecycle.

3๏ธโƒฃ Tier 3 โ€“ Threat Hunter (Advanced Level)

  • Performs proactive threat hunting.
  • Develops custom SIEM detection rules.
  • Analyzes attacker tactics and techniques (e.g., using MITRE ATT&CK).

๐Ÿš€ Conclusion

SOC Analysts play a critical role in defending digital infrastructure. Learning about SIEM tools, log analysis, and incident response is essential to building a successful career in cybersecurity.

In the next post, we will dive deeper into SIEM and log analysis โ€” two core skills for every SOC Analyst.