TL;DR - OSSEC
- OSSEC is an open-source host-based intrusion detection system
- It monitors logs, performs file integrity checking, and detects rootkits
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
Score: 78/100
Pricing
Free
View pricing OSSEC is completely free to use.
About OSSEC
OSSEC detects intrusions and monitors hosts. Open-source host intrusion detection—security monitoring that's free and proven.
The detection is file and log based. The open-source is genuine. The deployment is flexible.
Security teams wanting host monitoring use OSSEC for open-source intrusion detection.
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OSSEC FAQ
OSSEC is completely free and open source. You can run it on your own infrastructure for host-based intrusion detection without any licensing costs.
OSSEC is a host-based intrusion detection system (HIDS). It performs log analysis, file integrity monitoring, rootkit detection, and real-time alerting for security monitoring.
Wazuh is a fork of OSSEC with more active development and additional features. Wazuh is recommended for new deployments as it's more feature-rich and better maintained.