LSE toolsLSE toolsOSSEC (118)OSSEC (118)

Tool and Usage

OSSEC is an open source host-based intrusion detection system (HIDS). It performs log analysis, integrity checking, rootkit detection, and more.


OSSEC uses a centralized, cross-platform architecture allowing multiple systems to be monitored and managed.

The OSSEC project was acquired by Third Brigade, Inc in June 2008. This included the copyrights owned by Daniel Cid, its project leader. They promised to continue the development, keep it open source, and extend commercial support and training to the community.

Trend Micro acquired Third Brigade in May 2009. This included the OSSEC project. Trend Micro promised to keep the software open source and free.

Usage and audience

Tool review

The review and analysis of this project resulted in the following remarks for this security tool:


  • + Commercial support available
  • + Well-known tool


  • - Commercial support available

Author and Maintainers

OSSEC is under development by Daniel Cid and maintained by Trend Micro.


Support operating systems

OSSEC is known to work on Linux, macOS, Microsoft Windows, OpenBSD, and Solaris.

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Project details
Latest release2.9.1 [2017-06-19]
Last updatedSept. 17, 2017

Project health

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 OSSEC project website
Twitter icon@ossecproject

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