Add Defensia - real-time Linux security monitoring agent

README.md

@@ -491,6 +491,7 @@ _Related: [Metrics & Metric Collection](#metrics--metric-collection)_
 - [checkmk](https://checkmk.com/) - Comprehensive solution for monitoring of applications, servers, and networks. ([Demo]([Source Code](https://github.com/Checkmk/checkmk)) `GPL-2.0` `Python/PHP`
 - [CheckCle](https://checkcle.io) - Seamless, real-time monitoring of full-stack systems, applications, and infrastructure. ([Source Code](https://github.com/operacle/checkcle)) `MIT` `Docker`
 - [dashdot](https://github.com/MauriceNino/dashdot) - A simple, modern server dashboard for smaller private servers. ([Demo](https://dash.mauz.dev/)) `MIT` `Nodejs/Docker`
+- [Defensia](https://defensia.cloud) - Real-time attack detection and automatic IP blocking agent for Linux servers. Monitors SSH, web logs and system activity, blocks threats via iptables, and provides a centralized dashboard. ([Source Code](https://github.com/defensia/agent)) `MIT` `Go`
 - [EdMon](https://github.com/Edraens/EdMon) - A command-line monitoring application helping you to check that your hosts and services are available, with notifications support. `MIT` `Java`
 - [eZ Server Monitor](https://www.ezservermonitor.com) - A lightweight and simple dashboard monitor for Linux, available in Web and Bash application. ([Source Code](https://github.com/shevabam/ezservermonitor-web)) `GPL-3.0` `PHP/Shell`
 - [Gatus](https://gatus.io) - Automated service health dashboard. ([Demo](https://status.twin.sh), [Source Code](https://github.com/TwiN/gatus)) `Apache-2.0` `Docker/K8S`