Security Onion

We've got a brand new Introduction to Security Onion 2.4 video available on our YouTube channel!  Don't forget to like the video, su...

In 2023, we announced that only official Security Onion images are supported and that network installations on certain Linux distros was pos...

Security Onion for Analysts and Threat Hunters Virtual - Apr 29-May 2, 2025 Use the following code before Friday February 28, 2025 to get 10...

Security Onion 2.4.120 is coming soon! We just added a video to our YouTube channel that covers some of the highlights! Don't forget to ...

Our upcoming Security Onion 2.4.120 release includes a new local IP lookup feature! This allows you to define local descriptions for importa...

 Our upcoming Security Onion 2.4.120 release includes CyberChef 10.19.4! Security Onion 2.4.120 is coming soon!

Our upcoming Security Onion 2.4.120 release includes a new MSI option for deploying the Elastic Agent to your Windows endpoints!  Security O...

Our upcoming Security Onion 2.4.120 release includes improvements for our ATT&CK Navigator integration! Navigator will now have 4 tabs a...

Our upcoming Security Onion 2.4.120 release includes a new feature for Security Onion Pro customers! If you have a valid Pro license, you wi...

Our upcoming Security Onion 2.4.120 release includes Zeek 7! It also adds support for analyzing more network protocols like QUIC, HTTP2, Ope...

Our Detections interface makes it easy to tune your rules, but have you ever wanted to tune your rules right from the Alerts interface?  Thi...

In October, we released Security Onion 2.4.110 and it included a new AI Summary feature in our Detections interface: https://blog.securityon...

In October, we released version 2.4.110: https://blog.securityonion.net/2024/10/security-onion-24110-hurricane-helene.html Last week, Surica...

We usually have our State of the Onion at the annual Security Onion Conference, but we had to cancel the conference due to Hurricane Helene ...

Thanks to Brad Duncan for sharing this pcap from 2024-12-04 on his malware traffic analysis site! Due to issues with Google flagging a warni...

We are thankful for our customers and community! As a way of saying thanks, we'd like to offer you a Cyber Monday discount on our merch ...

Did you know Security Onion scales to the enterprise? Security Onion is designed to scale from simple standalone deployments all the way up ...

We've scheduled the next run of our 4-day Security Onion Fundamentals for Analysts & Admins class! Use promo code earlybird by Dece...

Did you know Security Onion provides a customized Elastic Agent that makes deployment easier? Check out our Elastic Agent documentation: htt...

Did you know Security Onion works for several different use cases from minimal deployments all the way up to large enterprise deployments? H...

We've been offering our Security Onion documentation in book form on Amazon for a few years and it's now been updated for the recent...

On Monday, we released version 2.4.110: https://blog.securityonion.net/2024/10/security-onion-24110-hurricane-helene.html That release had a...

Hurricane Helene Update On Friday, September 27, Hurricane Helene hit Augusta GA. All of our team members are safe, but many folks had signi...