Get Ahead of Hackers with Wazuh – The Ultimate Free SIEM Tool

Wazuh is a free, open-source security platform used for threat detection, compliance monitoring, and incident response. It’s popular among security professionals because it combines powerful features like SIEM (Security Information and Event Management), host intrusion detection (HIDS), and log analysis—all in one solution.

🧠 Why Use Wazuh?

Wazuh helps organizations:

Detect threats and suspicious activity in real-time
Monitor system logs and file changes
Comply with security standards like PCI DSS, GDPR, HIPAA, etc.
Respond quickly to security incidents

It’s scalable, integrates well with cloud and on-prem environments, and is perfect for cybersecurity labs, small businesses, and even enterprise use.

⚙️ How Wazuh Works

Wazuh has a modular architecture with three main components:

Wazuh Agent
Installed on endpoints (Linux, Windows, macOS). It monitors logs, file integrity, rootkit detection, etc.
Wazuh Manager
Central brain that receives data from agents, analyzes it, and generates alerts.
wazuh indexer/wazuh dashboard
Wazuh works seamlessly with Elasticsearch, Logstash, and Kibana (ELK Stack) for visual dashboards, searching, and analytics.

🛡️ Key Features

✅ Log Analysis: Real-time log monitoring with custom rules
✅ File Integrity Monitoring: Alerts when key files are changed
✅ Intrusion Detection (HIDS): Detect suspicious behavior
✅ Vulnerability Detection: Scans installed packages for known CVEs
✅ Security Configuration Assessment (SCA): Checks system configs against security baselines
✅ Active Response: Automatically block IPs or kill processes during attacks