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  Overview of SOC Levels (L1, L2, L3)

  نشر بواسطة Dago dago في سبتمبر 10, 2024 في 1:36 ص

  A Security Operations Center (SOC) is a centralized unit that deals with security issues on an organizational and technical level. Within a SOC, analysts are typically categorized into three main tiers: L1 (Tier 1), L2 (Tier 2), and L3 (Tier 3). Each level has distinct responsibilities, skill requirements, and roles in the incident response process.SOC L1 (Tier 1) AnalystsL1 SOC analysts are often the first line of defense in monitoring and responding to security alerts. Their primary responsibilities include:

  • Monitoring Security Alerts: They perform daily monitoring routines and examine alarms generated by security products

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  • Initial Investigation: L1 analysts assess alerts to determine if they are false positives or require further investigation.
  • Escalation: If an alert is deemed significant, it is escalated to L2 analysts for deeper analysis.

  Typically, L1 analysts have foundational knowledge in IT and cybersecurity, often starting their careers in this role before advancing to higher tiers.SOC L2 (Tier 2) AnalystsL2 SOC analysts possess more advanced skills and are responsible for:

  • Detailed Investigation: They conduct thorough investigations of alerts escalated from L1 analysts, analyzing technical details to understand the nature of the threat.
  • Incident Response: L2 analysts often act as incident responders, determining the appropriate actions to contain and remediate threats

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  • Collaboration: They work closely with L1 analysts to provide feedback and guidance, helping to improve the overall monitoring process.

  L2 analysts typically have several years of experience in IT or cybersecurity and may hold certifications such as Certified Ethical Hacker (CEH)

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  .SOC L3 (Tier 3) AnalystsL3 SOC analysts are the most experienced members of the SOC team, focusing on:

  • Advanced Threat Hunting: They proactively search for threats that may not have triggered alerts, using their extensive knowledge of security systems and threat intelligence

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  • Management of Critical Incidents: L3 analysts manage significant security incidents and are responsible for developing strategies for containment and recovery

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  • Mentorship: They play a crucial role in training and mentoring L1 and L2 analysts, ensuring knowledge transfer and skill development within the team

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  L3 analysts often have extensive experience in cybersecurity and may hold advanced certifications or specialized training in threat detection and incident response

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  .ConclusionThe tiered structure of SOC analysts (L1, L2, L3) allows organizations to effectively manage and respond to cybersecurity threats. Each level plays a critical role in the overall security posture, with L1 focusing on monitoring, L2 on investigation and response, and L3 on advanced threat management and mentorship. This structured approach helps ensure that organizations can respond swiftly and effectively to security incidents.

  

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