Wednesday, April 18, 2018

Security Onion ISO image now available!

We have a new Security Onion ISO image now available that contains all the latest Ubuntu and Security Onion updates as of April 16, 2018 and switches from the XFCE desktop environment to Gnome Flashback!  For more information about the Gnome Flashback desktop environment, please see:

This resolves the following issue:

Issue 1237: ISO image

This new ISO image has been tested by Wes Lambert.  Thanks, Wes!

New Installations
We've updated the Verify_ISO page for the new ISO image:

Please remember to verify the signature of the downloaded ISO image using the instructions on that page.

Existing Deployments
If you have existing installations based on a previous 14.04 ISO image, 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:

Release Notes
For more information about this release, please see:

Our annual Security Onion Conference will be Friday October 19, 2018:

We offer onsite and online training:

Need support?  Please see:


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