Security Onion 🧅​

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Peel back the layers of your network and make your adversaries cry!

Free platform for threat hunting, enterprise security monitoring, and log management.

Questions: http://securityonion.net/discuss

Websitehttps://securityonion.net
Bloghttps://blog.securityonion.net
Docshttps://securityonion.net/docs
YouTubehttps://securityonion.net/youtube
Traininghttps://securityonionsolutions.com/training
Applianceshttps://securityonionsolutions.com/hardware
6 month EOL notice for Security Onion 2.4

Yesterday, we released Security Onion 3: https://blog.securityonion.net/2026/03/security-onion-300-now-available-with.html Today, we are ann...

RE: https://infosec.exchange/@securityonion/116325111071158999

ICYMI Security Onion 3 is now available!

Security Onion 3.0.0 Now Available with New and Improved Interface and Much More!

https://blog.securityonion.net/2026/03/security-onion-300-now-available-with.html

Security Onion 3.0.0 Now Available with New and Improved Interface and Much More!

https://blog.securityonion.net/2026/03/security-onion-300-now-available-with.html

Security Onion 3 is coming soon! Are you ready?
Security Onion 3.0 Coming Soon!

Last week, we released Security Onion 2.4.210: https://blog.securityonion.net/2026/03/security-onion-24210-now-available-with.html This is o...

Security Onion 3 is coming soon! Are you ready?

Security Onion 2.4.211 Is Now Available and Resolves Several Issues!

https://blog.securityonion.net/2026/03/security-onion-24211-is-now-available.html

Security Onion 2.4.211 Is Now Available and Resolves Several Issues!

https://blog.securityonion.net/2026/03/security-onion-24211-is-now-available.html

RE: https://infosec.exchange/@securityonion/116199594355591206

ICYMI Security Onion 3.0 is coming soon! Are you ready?