diff --git a/README.md b/README.md
index 8f51603..3211e02 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ See also [awesome-honeypots](https://github.com/paralax/awesome-honeypots).
 
 - [Artillery](https://github.com/BinaryDefense/artillery) - Combination honeypot, filesystem monitor, and alerting system designed to protect Linux and Windows operating systems.
 - [Fail2ban](https://www.fail2ban.org/) - Intrusion prevention software framework that protects computer servers from brute-force attacks.
+- [Open Source HIDS SECurity (OSSEC)](https://www.ossec.net/) - Fully open source and free, feature-rich, Host-based Instrusion Detection System (HIDS).
 
 # Incident Response tools