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7 Major Components of Cyber Security

Posted by ibush on December 04, 2020

Real cybersecurity requires more than technology because there is no “silver bullet” app or software that provides fail-safe protection against all existing and emerging cyber threats.

A comprehensive cybersecurity solution requires seven key components:

7 Components of Cyber Security 1. People and Bandwidth

Who is managing your network security? Do they have the time, bandwidth,...
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Sagan rule update!

Posted by Champ Clark on November 07, 2018

This is a large rule update which is long over due.  This rule update  improves the detection,  accuracy and preformance of Sagan.   For more informatin about Sagan see:

* Sagan Rule ChangeLog - 2018/11/08

* New watchguard.rules!
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Posted in Announcements

Sagan version 1.2.1 released!

Posted by Champ Clark on November 07, 2018

Quadrant Information Security is proud to release the Sagan (GPLv2/Open Source) log analysis engine version 1.2.1!   Please keep in mind that if you are upgrading from an older version of Sagan,  you will need to remove old IPC data as 1.2.1 is not compatible with older Sagan IPC data.

For more information about Sagan, ...
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Quadrant’s public DNS resolver with TLS & HTTPS support.

Posted by Champ Clark on October 29, 2018

Quadrant Information Security now offers “DNS over TLS” and “DNS over HTTPS” to the general public. Why is this important? When using services like Google’s public DNS ( and or your ISP’s DNS servers, the traffic is sent unencrypted.  This means that the requests are subject to DNS hijacking, and...
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Using Jack Crook’s log analysis concepts with Sagan

Posted by Champ Clark on January 07, 2018

* Note:  This blog was updated Jan 30th, 2018.   We've updated some of the rules after testing in produciton enviroments.  Rules that do not have updates are considered stable and already providing value. 

Several months ago I started following a fellow "log junkie" on Twitter named Jack Crook (Twitter: @jackcr).  ...
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Sagan Technology Latest Release Includes Malware Detonation

Posted by Kat Casey on September 05, 2017

JACKSONVILLE, Fla., Sep 05, 2017 (BUSINESS WIRE) -- Quadrant Information Security announces the next release of their Sagan Technology, which will include a new Malware Detonation component. This release will allow Sagan sensors the ability to extract files traversing the customer infrastructure, and detonate these files in a secure off-premise cloud environment.

“Adversaries are getting smarter and it...
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Sagan “global” xbits.  Escaping the island.

Posted by Champ Clark on July 11, 2017

Early in the development of Sagan “xbits,” we noticed a couple of limitations.

For one, Sagan didn’t have the ability to “remember” xbits between process restarts meaning that that all the data Sagan had been collecting (xbits, threshold, etc.) would be lost during a reboot or process restart.

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New features in the release of our Sagan 3.0.1

Posted by Kat Casey on March 29, 2017

Here are some of the cool, new features in our recent Sagan 3.0.1 release this week. 

E-mail format changes: 

We have made some minor modifications to our alert e-mail format. The new format features the more important alert data toward the top of the e-mail. This change was initiated based on client feedback...
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Posted in Announcements