Sourcefire® was founded in 2001 by Martin Roesch, the creator of SNORT®, the open source technology that has become the de facto standard for intrusion detection and prevention. To date, there have been over 3,000,000 downloads of Snort around the world. Sourcefire is committed to advancing open source technology and maintains close ties with the Snort user community.  Sourcefire is a world leader in intrusion prevention, transforming the way organisations manage and minimise network security risks and threats.

Sourcefire's ground-breaking 3D approach—Discover, Determine, Defend—is a unified defense system that combines intrusion and vulnerability management technologies to provide customers with some of the most effective, real-time, network security available.

http://www.sourcefire.com/