Security Onion 2.4.20 Hotfix 20231012 Now Available!

We recently released Security Onion 2.4.20:
https://blog.securityonion.net/2023/10/security-onion-2420-now-available.html

Today, we are releasing a hotfix which resolves an issue with Elastic Defend:
https://docs.securityonion.net/en/2.4/release-notes.html

New Installations

If you want to perform a new installation, please review the documentation and then you can find instructions here:
https://docs.securityonion.net/en/2.4/download.html

Existing 2.4 Installations

If you have an existing installation of 2.4.20, then you should update to this hotfix. If your 2.4 installation is RC or GA (not Beta), then you can run soup to update.

For more information about the update process, please see:
https://docs.securityonion.net/en/2.4/soup.html

Known Issues

There is a known issue with the Elastic Agent and Elastic Defend on MacOS Sonoma.

Questions, Problems, and Feedback

If you have any questions or problems relating to Security Onion 2.4, please use the new 2.4 category at our Discussions site:
https://github.com/Security-Onion-Solutions/securityonion/discussions/categories/2-4

Training

Need training? Start with our free Security Onion Essentials training and then take a look at some of our other official Security Onion training!

https://securityonion.net/training

Security Onion Solutions Hardware Appliances

We know Security Onion's hardware needs, and our appliances are the perfect match for the platform. Leave the hardware research, testing, and support to us, so you can focus on what's important for your organization. Not only will you have confidence that your Security Onion deployment is running on the best-suited hardware, you will also be supporting future development and maintenance of the Security Onion project!

https://securityonionsolutions.com/hardware