OSSEC
OPEN SOURCE
Open-source host-based intrusion detection system.
About
OSSEC is a free, open-source host-based intrusion detection system that performs log analysis, file integrity checking, policy monitoring, rootkit detection, and more.
Pricing
Pricing Type
Open Source
Free tier available
Last checked: February 21, 2026
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Key Facts
Categories
Platforms
Windows
Mac
Linux
Company
OSSEC
Founded
Founded in 2004
Country
Global
Language
English