OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.
OSSEC v4.1.0
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.
Development ##
The development version is hosted on GitHub and just a simple git clone away.
Screenshots ##
File Integrity Monitoring

Attack Detection

Help / Support ##
Join us on slack, ossec.slack.com: Invites to slack@ossec.net
Join us on Discord: https://discord.gg/BXzM75Xzq7
Credits and Thanks ##
- OSSEC comes with a modified version of zlib and a small part
- This product includes software developed by the OpenSSL Project
- This product includes cryptographic software written by Eric
- This product include software developed by the zlib project
- This product include software developed by the cJSON project
- Atomicorp hosting the annual OSSEC conference. Presentations for the 2019 conference can be found at https://www.atomicorp.com/ossec-con2019/
License
OSSEC is licensed under the GNU General Public License version 2 (GPLv2).