DIY SIEM Environment

Company: Cybersecurity Intern

Meet Wazuh

Wazuh is a robust and open-source security information and event management (SIEM) platform that provides real-time security monitoring, threat detection, and response capabilities. It helps organizations protect their digital assets by analyzing security events, logs, and anomalies, all in a centralized and user-friendly interface. With Wazuh, you can fortify your security posture and swiftly respond to potential threats, making it an invaluable tool in today's ever-evolving cybersecurity landscape.

Key Features of Wazuh

Here are the key features that make Wazuh stand out as a formidable cybersecurity tool:

  1. Cross-Platform Compatibility: Wazuh works seamlessly on a variety of operating systems, including Windows, Linux, and macOS.
  2. Security Configuration Assessment: Wazuh conducts in-depth checks to identify misconfigurations across your devices. This feature ensures that your systems are correctly configured for optimum security.
  3. Vulnerability Scanning: Regular scans for known vulnerabilities and malware help keep your systems up to date and secure. Wazuh's vigilant scanning keeps you informed about potential threats.
  4. File and Registry Monitoring: Wazuh keeps a watchful eye on your directories and Windows registry, providing real-time alerts for any changes. This level of detail is essential for quickly identifying unauthorized modifications and potential security breaches.
  5. Centralized Monitoring: All data collected by Wazuh is centralized on a dedicated server. This centralized approach simplifies the task of overseeing your cybersecurity measures, making it easier to manage your defenses.
  6. Alerts and Notifications: Wazuh ensures that you stay informed with real-time alerts delivered through email or Slack. This feature is particularly valuable for businesses and IT professionals who require swift responses to security issues.
  7. Windows Registry Tracking:The tool goes above and beyond by tracking changes to the Windows registry. This feature alone is a game-changer for your cybersecurity strategy.

Wazuh dashboard

SETTING UP WAZUH:

Setting up Wazuh is a straightforward process. I suggest Linode, a reliable cloud provider with data centers in various locations, making it an ideal choice for hosting Wazuh.

  • Install Wazuh : You can install Wazuh on a Linode server from a template by creating a Linode instance and following the official Wazuh installation instructions for your chosen Linux distribution.
  • Setup a Docker container: Here I am using Ubuntu as the docker. A Docker container is a lightweight, portable, and self-sufficient software package that includes everything needed to run an application, making it easy to deploy and manage software across different environments.
  • Install docker and docker compose: 

# Update the package list sudo apt update

# Install Docker sudo apt install docker.io

# Install Docker Compose sudo apt install docker-compose

  • Adding Agents: To deploy new agents in Wazuh, you need to install the Wazuh agent software on the target system and configure it to communicate with the Wazuh manager.
  • Customize Monitoring: Wazuh allows for tailored configurations to meet your specific needs. This includes real-time monitoring, ruleset customization, and active response management
               
Why you should try Wazuh

Wazuh is not only an effective cybersecurity tool but also a valuable educational resource. It empowers you with practical experience in deploying and managing a security tool, making it an excellent addition to your cybersecurity skill set and resume.

In conclusion, cybersecurity is paramount in our digital age, and Wazuh offers a powerful solution. With features such as real-time monitoring, vulnerability scanning, and centralized management, it's an opportunity to secure your digital assets and gain valuable expertise in cybersecurity.

Why not give Wazuh a try? It's a no-brainer – it safeguards your assets, enhances your skills, and comes at no cost. It might just become your go-to cybersecurity tool in your digital defense strategy!!!!!

 
References:

Wazuh documentation: https://documentation.wazuh.com/current/index.html

Install docker engine on Ubuntu: https://docs.docker.com/engine/install/ubuntu/