Security Onion

Summary If you installed Security Onion using our ISO image, then you should be running the original 3.2 kernel which should be fully supp...

New versions of our PF_RING, Snort, Suricata, and Bro packages are now available!  The new package versions are as follows: securityonion-...

I noticed recently that the following issue didn't actually get resolved properly: Issue 388: Configure MySQL to create an innodb file...

Over the past few weeks, you may have seen some Ubuntu prompts to upgrade to the new Ubuntu release (Ubuntu 14.04).  For example: We...

Ryan Peck found and fixed an issue in CapMe (thanks Ryan!): https://groups.google.com/d/topic/security-onion/h-WFiDETBVU/discussion I...

Our new PF_RING/Snort/Suricata packages have reached Release Candidate status!  Since these packages are critical components, I'd like t...

I've built a new version of securityonion-server that resolves an issue.  The updated package version is as follows: securityonion-serv...

We still have a few seats left for the 2-day Security Onion class in Sacramento CA (only 1 week away!).  Here's a discount code good for...

I've built a new version of securityonion-web-page that resolves two issues.  The updated package version is as follows: securityonion-...

I've built a new version of rule-update that resolves an issue.  The updated package version is as follows: securityonion-rule-update -...

I've built a new version of Setup that resolves two issues.  The updated package version is as follows: securityonion-setup - 20120912-...

We still have a few seats left for the 2-day Security Onion class in Sacramento CA (only 2 weeks away!).  Here's a discount code good fo...

I've built a new version of Setup that resolves eight issues.  The updated package version is as follows: securityonion-setup - 2012091...

The Security Onion Conference speaker lineup has been finalized: https://securityonionconference2014.eventbrite.com Seats are going fast,...

Registration for the 2014 Security Onion Conference is now open! http://securityonionconference2014.eventbrite.com If you register before...

I've updated our securityonion-pulledpork package to PulledPork 0.7.0.  I also applied a patch from Will Metcalf to allow PulledPork to ...

I started Security Onion in 2008 to provide a quick and easy way for folks to get up and running with intrusion detection and network secu...

We recently released new barnyard2 and rule-update packages: http://blog.securityonion.net/2014/06/new-barnyard2-nsm-rule-update-and.html  ...

I've updated our securityonion-web-page package to add a new ELSA query under the HTTP category labeled "Sites Hosting CABs". ...

The recently released NSM scripts had a typo: http://blog.securityonion.net/2014/06/new-barnyard2-nsm-rule-update-and.html  Thanks t...

You may have noticed previously that when barnyard2 started up, it would consume a large amount of CPU (on both the sensor and the server) f...

I've updated our securityonion-sguil-db-purge package to resolve two issues. The updated package version is as follows: securityonion...

I recently asked the community if there was interest in a Security Onion Conference: http://blog.securityonion.net/2014/05/security-onion-c...

sostat-quick now checks for privileges. The updated package version is as follows: securityonion-sostat - 20120722-0ubuntu0securityonion2...

Do you want to... ... learn more about Security Onion? ... get the most out of your Security Onion deployment? ... catch more bad guys...

Mike Reeves has updated his OnionSalt scripts to be compatible with the latest Salt packages.  I've packaged these scripts and copied ...

We have a new Setup package that changes the way in which we disable services like network-manager, salt-master, and salt-minion.  Previousl...

Do you want to... ... learn more about Security Onion? ... get the most out of your Security Onion deployment? ... catch more bad guys...

I'd like to see if there's interest in a Security Onion Conference, so I've put together a short survey to gather your feedback....

Andrew Colfelt fixed a bug in sostat-redacted and I've updated our securityonion-sostat package with his patch.  Thanks Andrew! The up...

I've updated our securityonion-sostat package to resolve six issues. The updated package version is as follows: securityonion-sostat ...

I've updated our securityonion-nsmnow-admin-scripts package to resolve two issues. The updated package version is as follows: securit...

Want to learn more about Security Onion?  Sign up for the new and expanded 2-day class in Houston TX! The registration deadline is April 3...

I've updated our securityonion-setup package to resolve an issue. The updated package version is as follows: securityonion-setup - 20...

I've updated our securityonion-onionsalt package to improve NIDS and HIDS updates.  Please see the updated OnionSalt page on our Wiki: ...

Want to learn more about Security Onion?  Sign up for the new and expanded 2-day class in Houston TX! The registration deadline is April 3...

I've updated our securityonion-nsmnow-admin-scripts package to resolve several issues.  The updated package version is as follows: secu...