Thursday, August 20, 2020

Security Onion ISO image now available featuring Zeek 3.0.8, Snort, Elastic 6.8.11, CyberChef 9.21.0, and more!

Our Security Onion ISO image is now available!

Major Changes Since Last ISO Image

  • Zeek 3.0.8
  • Snort
  • Elastic 6.8.11
  • CyberChef 9.21.0


Thanks to Bryant Treacle and Chris Morgret for testing this ISO image!

Package Updates

This release also includes the following updated packages:

pinguybuilder - 20180514-1ubuntu1securityonion24

These packages resolve the following issues:

pinguybuilder: increment version to #1772

Issues Resolved

For a list of all issues resolved in this release, please see:

Release Notes

For more information about this release, please see:

Installation Guide

We've updated the Installation guide to reflect the download locations for the new ISO image:

Existing Deployments

If you have existing 16.04 installations, there is no need to download the new ISO image.  You can simply continue using our standard update process to install updated packages as they are made available:

If you have existing installations of Security Onion 14.04, you can upgrade from 14.04 to 16.04:


You can find our documentation here:

Also, we're now offering a printed copy of our official documentation with foreword by Richard Bejtlich and proceeds going to Rural Technology Fund:


Need support?  Please see:


Security Onion Solutions is the only official authorized training provider for Security Onion.  For more information about our training classes, please see:


We also offer hardware appliances!  For more information, please see:


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