Save the Date for 10th Annual Security Onion Conference 2023 with Dave Kennedy as Keynote Speaker

Our 10th annual Security Onion Conference is currently scheduled to be held in person in beautiful Augusta, GA on Friday, October 6, 2023 (please mark your calendar!). Our keynote speaker will be Dave Kennedy!

If you use, or are considering using, Security Onion then you should attend Security Onion Conference! Find out what's new with Security Onion, learn best practices and exchange ideas with other users. Even if you're not a Security Onion user, you should consider attending if you're generally interested in things like intrusion detection, network security monitoring, enterprise security monitoring, log management, hunting, and blue teaming.

Registration and CFP will open in the coming months, so stay tuned for further details. In the meantime, check out the recordings from previous Security Onion Conferences!

https://securityonion.net/conf

Security Onion 2.3.220 Hotfix 20230301 Now Available!

We recently released Security Onion 2.3.220:
https://blog.securityonion.net/2023/02/security-onion-23220-now-available.html

Today, we are releasing a hotfix which resolves an issue with Curator:
https://docs.securityonion.net/en/2.3/release-notes.html#hotfix-20230301-changes

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/2.3/download.html

Existing 2.3 Installations

If you haven't yet updated to 2.3.220, then you should review all links at the top of this post so that you are aware of all recent changes.

WARNING! If you have an existing Security Onion 2.3 installation and update to Security Onion 2.3.140 or higher, the Elastic components will undergo a major version upgrade to version 8. Please review and follow the steps at the link below. Failure to do so could result in loss of access to all data stored inside of Elastic and a non-functioning Security Onion installation.

https://docs.securityonion.net/en/2.3/soup.html#elastic-8

Please be aware that custom settings in Kibana may be overwritten during upgrade. We recommend that you test the upgrade process on a test deployment before deploying to production. If you have a distributed deployment, then we recommend monitoring SOC Grid while your update is running to verify that all nodes update properly. If there are issues, you can review logs, services, and containers for any additional clues. If you need help, please see our support information below.

If you have custom Elasticsearch templates, please see:
https://docs.securityonion.net/en/2.3/elasticsearch.html#custom-templates

For more information about the update process, please see:
https://docs.securityonion.net/en/2.3/soup.html

Security Onion 16.04

If you are still running Security Onion 16.04, please note that it is past End Of Life. Please take this opportunity to upgrade to Security Onion 2:
https://docs.securityonion.net/en/2.3/appendix.html

Questions or Problems

If you have questions or problems, please see our support options:
https://docs.securityonion.net/en/2.3/support.html

Security Onion 2.3.220 now available including Elastic 8.6.2, Grafana 9.2.10, FleetDM 4.27.1, Zeek 5.0.7, and more!

UPDATE 2023/03/01 An issue has been identified in this release and we recommend holding off on upgrading until we have a fix in place.

UPDATE 2023/03/01 4:36 PM Eastern We've released a fix.

Security Onion 2.3.220 is now available! It includes Elastic 8.6.2, Grafana 9.2.10, FleetDM 4.27.1, Zeek 5.0.7, and more:
https://docs.securityonion.net/en/2.3/release-notes.html#changes

Documentation

You can find our online documentation here:
https://docs.securityonion.net/en/2.3/

You can also purchase a printed copy of our documentation from Amazon:
https://securityonion.net/book

The printed book will be updated for 2.3.220 in the next few days and includes an inspiring foreword by Richard Bejtlich that is not available anywhere else! Proceeds go to the Rural Technology Fund and the printed book also includes a 20% discount code for our on-demand training and certification.

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/2.3/download.html

Existing 2.3 Installations

WARNING! If you have an existing Security Onion 2.3 installation that hasn't yet been updated to version 2.3.140 or higher, then you should be aware that the Elastic components will undergo a major version upgrade to version 8. Please review and follow the steps at the link below. Failure to do so could result in loss of access to all data stored inside of Elastic and a non-functioning Security Onion installation.

https://docs.securityonion.net/en/2.3/soup.html#elastic-8

Please be aware that custom settings in Kibana may be overwritten during upgrade. We recommend that you test the upgrade process on a test deployment before deploying to production. If you have a distributed deployment, then we recommend monitoring SOC Grid while your update is running to verify that all nodes update properly. If there are issues, you can review logs, services, and containers for any additional clues. If you need help, please see our support information below.

If you have custom Elasticsearch templates, please see:
https://docs.securityonion.net/en/2.3/elasticsearch.html#custom-templates

For more information about the update process, please see:
https://docs.securityonion.net/en/2.3/soup.html

AWS Marketplace

For new Security Onion 2 installations on AWS, Security Onion 2.3.220 will soon be available on AWS Marketplace via the official Security Onion 2 AMI:
https://securityonion.net/aws/?ref=_ptnr_soc_blog_230224

AMI Documentation:
https://securityonion.net/docs/cloud-ami

Existing Security Onion 2 AMI users should use the "soup" command to upgrade:
https://docs.securityonion.net/en/2.3/soup.html

Azure Marketplace

For new Security Onion 2 installations on Azure, Security Onion 2.3.220 will soon be available on the Azure Marketplace!

https://securityonion.net/azure

Azure Documentation:
https://docs.securityonion.net/en/2.3/cloud-azure.html

Existing Security Onion 2 users on Azure should use the "soup" command to upgrade:
https://docs.securityonion.net/en/2.3/soup.html

Security Onion 16.04 EOL

As a reminder, Security Onion 16.04 has reached End Of Life (EOL):
https://blog.securityonion.net/2021/04/security-onion-1604-has-reached-end-of.html

If you're still running Security Onion 16.04, please see the following for upgrade options:
https://docs.securityonion.net/en/2.3/appendix.html

Questions or Problems

If you have questions or problems, please see our community support forum guidelines:
https://docs.securityonion.net/en/2.3/community-support.html

You can then find the community support forum at:
https://securityonion.net/discuss

Thanks

Lots of love went into this release!

Special thanks to all our folks working so hard to make this release happen!

• Josh Brower
• Jason Ertel
• Wes Lambert
• Josh Patterson
• Mike Reeves

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

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

Screenshot Tour

If you want the quickest and easiest way to try out Security Onion 2, just follow the screenshots below to install an Import node and then optionally enable the Analyst Workstation. This can be done in a minimal VM with only 4GB RAM! For more information, please see:

https://docs.securityonion.net/en/2.3/first-time-users.html