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How Does SIEM Work?

Vijay Kumar Gupta
4 min readDec 25, 2024

In today’s world of ever-evolving cyber threats, organizations must remain vigilant in safeguarding their digital infrastructure. A Security Information and Event Management (SIEM) system has become a cornerstone of modern cybersecurity strategies. But how does it actually work? This blog will break down the concept of SIEM, its components, and its role in protecting businesses from threats.

What Is SIEM?

At its core, SIEM is a system that combines two key security functions:

  1. Security Information Management (SIM): Responsible for long-term data storage, analysis, and reporting.
  2. Security Event Management (SEM): Focused on real-time monitoring, correlation of events, and responding to security incidents.

Together, these capabilities allow SIEM systems to collect, analyze, and respond to security data from across an organization’s IT environment.

Why SIEM Is Critical in Cybersecurity

Organizations generate vast amounts of data daily, including logs, alerts, and events from various devices, applications, and systems. SIEM helps:

  • Detect threats in real-time: Correlates and analyzes data to identify potential threats.
  • Ensure compliance: Provides reporting and documentation to…

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Vijay Kumar Gupta
Vijay Kumar Gupta

Written by Vijay Kumar Gupta

Vijay Gupta is an inspiring public speaker and social entrepreneur who has dedicated his life to bringing about positive change and empowering communities.

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