A practical walkthrough for deploying and configuring Wazuh SIEM for centralized security monitoring

Wazuh SIEM Setup Guide

Wazuh is an open-source security platform used for threat detection, log analysis, file integrity monitoring, vulnerability detection, and incident response. It combines endpoint visibility with centralized event correlation, making it a strong option for organizations building a Security Information and Event Management (SIEM) environment.

Overview

A standard Wazuh deployment consists of several components working together:

• Wazuh Server — Processes and correlates security events.
• Wazuh Agents — Installed on monitored endpoints such as Linux servers, Windows workstations, and cloud instances.
• Indexer — Stores and indexes logs for searching and analytics.
• Dashboard — Provides visualization, alerting, and investigation capabilities.

System Requirements

Before deploying Wazuh, ensure the environment meets the following minimum requirements:

| Component | Minimum Requirement | |---|---| | CPU | 4 Cores | | Memory | 8 GB RAM | | Storage | 50 GB SSD | | Operating System | Ubuntu 22.04 or Rocky Linux 9 | | Network | Stable internal connectivity |

Architecture Example

A typical production deployment may look like this:

+-------------------+
| Wazuh Dashboard   |
+---------+---------+
          |
+---------v---------+
| Wazuh Indexer     |
+---------+---------+
          |
+---------v---------+
| Wazuh Manager     |
+----+--------+-----+
     |        |
+----v--+  +--v----+
| Agent |  | Agent |
| Linux |  | Win10 |
+-------+  +-------+