Code Quality Rank: L2
Programming language: C
License: GNU General Public License v3.0 or later
Tags: Security    
Latest version: v3.6.0

OSSEC alternatives and similar tools

Based on the "Security" category.
Alternatively, view OSSEC alternatives based on common mentions on social networks and blogs.

Do you think we are missing an alternative of OSSEC or a related project?

Add another 'Security' Tool


OSSEC v3.7.0 Copyright (C) 2019 Trend Micro Inc.

Information about OSSEC

OSSEC is a full platform to monitor and control your systems. It mixes together all the aspects of HIDS (host-based intrusion detection), log monitoring and SIM/SIEM together in a simple, powerful and open source solution.

Visit our website for the latest information. www.ossec.net

Current Releases

The current stable releases are available on the ossec website.

  • Releases can be downloaded from: Downloads
  • Release documentation is available at: docs


The development version is hosted on GitHub and just a simple git clone away.

Build Status Coverity Scan Build Status


File Integrity Monitoring


Attack Detection

[SSH Brute Force](./doc/images/ssh-attack.gif)

Help / Support

Join us on slack, ossec.slack.com: Invites to [email protected]

Join us on Discord: https://discord.gg/BXzM75Xzq7

Credits and Thanks

  • OSSEC comes with a modified version of zlib and a small part of openssl (sha1 and blowfish libraries)
  • This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.openssl.org/)
  • This product includes cryptographic software written by Eric Young ([email protected])
  • This product include software developed by the zlib project (Jean-loup Gailly and Mark Adler)
  • This product include software developed by the cJSON project (Dave Gamble)
  • Atomicorp hosting the annual OSSEC conference. Presentations for the 2019 conference can be found at https://www.atomicorp.com/ossec-con2019/