Security Onion

Peel Back the Layers of Your Enterprise

Friday, February 7, 2025

New YouTube Video: Introduction to Security Onion 2.4

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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...
Friday, January 31, 2025

CentOS Stream 9 and other Unsupported Network Installations

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In 2023, we announced that only official Security Onion images are supported and that network installations on certain Linux distros was pos...
Monday, January 27, 2025

Early bird discount for our next Security Onion training class!

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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...
Thursday, January 23, 2025

Security Onion 2.4.120 Sneak Peek Video

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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 ...
Wednesday, January 22, 2025

Coming soon to Security Onion: Local IP Lookups!

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Our upcoming Security Onion 2.4.120 release includes a new local IP lookup feature! This allows you to define local descriptions for importa...
Tuesday, January 21, 2025

Coming soon to Security Onion: CyberChef 10.19.4!

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 Our upcoming Security Onion 2.4.120 release includes CyberChef 10.19.4! Security Onion 2.4.120 is coming soon!
Thursday, January 16, 2025

Coming soon to Security Onion: Elastic Agent Deployment via MSI!

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Our upcoming Security Onion 2.4.120 release includes a new MSI option for deploying the Elastic Agent to your Windows endpoints!  Security O...
Friday, January 10, 2025

Coming soon to Security Onion: ATT&CK Navigator Improvements!

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Our upcoming Security Onion 2.4.120 release includes improvements for our ATT&CK Navigator integration! Navigator will now have 4 tabs a...
Thursday, January 9, 2025

Coming soon to Security Onion Pro: External API!

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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...
Wednesday, January 8, 2025

Coming soon: Zeek 7 and support for more protocols like QUIC, HTTP2, OpenVPN, and IPSEC!

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Our upcoming Security Onion 2.4.120 release includes Zeek 7! It also adds support for analyzing more network protocols like QUIC, HTTP2, Ope...
Tuesday, January 7, 2025

Coming soon: tune alerts without leaving the Alerts interface!

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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...
Monday, January 6, 2025

Coming soon: AI Summaries in Alerts!

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In October, we released Security Onion 2.4.110 and it included a new AI Summary feature in our Detections interface: https://blog.securityon...
Wednesday, December 18, 2024

Security Onion 2.4.111 now available!

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

State of the Onion 2024

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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 ...
Friday, December 6, 2024

Quick Malware Analysis: AGENTTESLA VARIANT USING FTP pcap from 2024-12-04

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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...
Tuesday, November 26, 2024

Cyber Monday Discount for Security Onion Merch and On-Demand Training!

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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 ...
Wednesday, October 30, 2024

Did You Know Security Onion Scales to the Enterprise?

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Did you know Security Onion scales to the enterprise? Security Onion is designed to scale from simple standalone deployments all the way up ...
Tuesday, October 29, 2024

10% Early Bird discount for Security Onion Fundamentals for Analysts & Admins Class in January 2025!

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We've scheduled the next run of our 4-day Security Onion Fundamentals for Analysts & Admins class! Use promo code earlybird by Dece...
Thursday, October 24, 2024

Did you know Security Onion provides a customized Elastic Agent that makes deployment easier?

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Did you know Security Onion provides a customized Elastic Agent that makes deployment easier? Check out our Elastic Agent documentation: htt...
Wednesday, October 23, 2024

Did you know Security Onion works for several different use cases?

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Did you know Security Onion works for several different use cases from minimal deployments all the way up to large enterprise deployments? H...
Thursday, October 10, 2024

Security Onion Documentation printed book now updated for Security Onion 2.4.110!

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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...

Security Onion 2.4.110 Hotfix 20241010 now available!

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On Monday, we released version 2.4.110: https://blog.securityonion.net/2024/10/security-onion-24110-hurricane-helene.html That release had a...
Monday, October 7, 2024

Security Onion 2.4.110 now available including new AI Summary feature and much more!

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