Security Onion

Yesterday, Qualys announced the discovery of a vulnerability in sudo: https://blog.qualys.com/vulnerabilities-research/2021/01/26/cve-2021-3...

On 10/16/2020, we released Security Onion 2 and announced a 6-month EOL notice for Security Onion 16.04: https://blog.securityonion.net/2020...

Many folks have asked for a printed version of our official online documentation and we're excited to provide that!  Whether you work on...

On Thursday 1/14/2021, Elastic announced some upcoming license changes: https://www.elastic.co/blog/licensing-change https://www.elastic.co/...

As 2020 comes to a close, we want to thank you, our community, for your overwhelming response to Security Onion 2! Let’s talk about the jour...

First, please note that Security Onion 16.04 reaches EOL in less than 4 months: https://blog.securityonion.net/2020/12/4-month-eol-notice-fo...

We recently released Security Onion 2.3:
 https://blog.securityonion.net/2020/10/security-onion-2-has-reached-general.html Today, we are rel...

This course is geared for those wanting to understand how to build a Detection Playbook with Security Onion 2. Students will gain both a the...

First, please note that Security Onion 16.04 reaches EOL in less than 4 months. Instead of applying this update, most Security Onion 16.04 u...

On 10/16/2020, we released Security Onion 2 and announced a 6-month EOL notice for Security Onion 16.04: https://blog.securityonion.net/2020...

First, please note that Security Onion 16.04 reaches EOL in less than 5 months. Instead of applying this update, most Security Onion 16.04 u...

First, please note that Security Onion 16.04 reaches EOL in less than 5 months. Instead of applying this update, most Security Onion 16.04 u...

First, please note that Security Onion 16.04 reaches EOL in less than 5 months. Instead of applying this update, most Security Onion 16.04 u...

FireEye released a great blog post about the SolarWinds supply chain attack: https://www.fireeye.com/blog/threat-research/2020/12/evasive-at...

Security Onion 2 currently supports both Ubuntu 18.04 and CentOS 7. The CentOS project recently made an announcement about their shift from ...

First, please note that Security Onion 16.04 reaches EOL in less than 5 months. Instead of applying this update, most Security Onion 16.04 u...

Learn how to architect, manage, deploy, and effectively use Security Onion 2 in this 4-day course delivered virtually, February 2-5, 2021. U...

First, please note that Security Onion 16.04 reaches EOL in less than 5 months. Instead of applying this update, most Security Onion 16.04 u...

Security Onion v2 prior to 2.3.10 has an incorrect sudo configuration: https://github.com/Security-Onion-Solutions/securityonion/security/ad...

We recently released Security Onion 2.3:
 https://blog.securityonion.net/2020/10/security-onion-2-has-reached-general.html Today, we are rel...

Security Onion 2 in Production is now available! In this course, you will learn more about architecting, operating and maintaining productio...

On 10/16/2020, we released Security Onion 2 and announced a 6-month EOL notice for Security Onion 16.04: https://blog.securityonion.net/2020...

Introduction Docker has announced rate limits for Docker pulls that go into effect November 1, 2020. We suspect that most Security Onion use...

We've just released Security Onion Essentials training for our new Security Onion 2 platform and it's FREE! You can find it on our w...

This blog post was written by Wes Lambert ( @therealwlambert ), with the assistance of Andrew Schwartz ( @4ndr3w6S ). Additional thanks go t...

We recently released Security Onion 2.3: https://blog.securityonion.net/2020/10/security-onion-2-has-reached-general.html Today, we are rele...