> For the complete documentation index, see [llms.txt](https://notes.nomanaziz.me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://notes.nomanaziz.me/cybersecurity/blue-teaming/intrusion-detection/host-based-intrusion-detection-system-hids-ossec.md).

# Host Based Intrusion Detection System (HIDS) - OSSEC

### Introduction

* It is an open source, scalable HIDS.
* Its architecture is similar to Wazuh (Server & Agents)