Download/Install

To install Security Onion, you’re going to either install our Security Onion ISO image or install a standard Ubuntu 16.04 ISO image and then add our Security Onion PPA and packages. Please keep in mind that our PPA and packages are only compatible with Ubuntu 16.04.

ALWAYS verify the checksum of ANY downloaded ISO image! Regardless of whether you’re downloading our Security Onion ISO image or whether you’re starting with an Ubuntu 16.04 ISO image, you should ALWAYS verify the downloaded ISO image.

If downloading our Security Onion 16.04 ISO image, please verify using these instructions: https://github.com/Security-Onion-Solutions/security-onion/blob/master/Verify_ISO.md
If downloading an Ubuntu 16.04 ISO image, please verify using these instructions: https://help.ubuntu.com/community/VerifyIsoHowto

Hardware

If you haven’t already, please review the Hardware page.

UEFI

If your hardware has UEFI, please see https://help.ubuntu.com/community/UEFI.

UEFI Secure Boot

If your hardware has UEFI Secure Boot enabled, please see Secure Boot.

Language

Please note that we only support the English language at this time.

Choose your Installation Guide

We have different Installation Guides to cover various use cases. Please choose the appropriate Installation Guide for your use case.

Quickly Evaluating Security Onion

If you just want to quickly evaluate Security Onion, choose one of the following. If you’re a first time user, we recommend the first option.

Download our Security Onion ISO image and Quickly Evaluate

OR

Quickly Evaluating Security Onion using **your preferred flavor of Ubuntu 16.04**

Production Deployment

If you’re deploying Security Onion in production, please see:

Production Deployment