Wazuh SIEM
Wazuh is a free, open-source security monitoring solution. It provides threat detection, incident response, and compliance monitoring capabilities by collecting and analyzing security data from endpoints.
What it does well.
Intrusion Detection
Log Analysis
File Integrity Monitoring
Vulnerability Detection
Configuration Assessment
Incident Response
Why I recommend this.
Wazuh is a strong choice for organizations that need robust security monitoring without the cost and complexity of a commercial SIEM. It unifies several critical security capabilities—intrusion detection, log analysis, file integrity monitoring, and vulnerability detection—into a single open-source platform, which simplifies deployment and ongoing management.
The configuration assessment feature is especially valuable because it continuously checks systems against established security benchmarks. This helps teams maintain compliance and harden their environments proactively, rather than reacting only after incidents occur.
Because Wazuh is designed to scale from a single server to thousands of endpoints, it fits both small teams and large enterprises. Its open-source nature reduces licensing costs, while still delivering enterprise-grade threat detection and visibility. For organizations that need comprehensive coverage but cannot justify or afford a commercial SIEM, Wazuh offers a practical, scalable, and feature-rich alternative.
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